ChatGPT answers, unedited

Yes. For a B2B division with customer-specific pricing, very large order volumes, and POS/physical sales, I’d narrow the field to four serious candidates rather than treating this like a normal ecommerce-platform selection.

My shortlist

1. Shopify Plus — my first choice if POS is important

shopify.com

Shopify has become substantially more compelling for B2B. Its B2B functionality now includes company accounts, customer/location-specific catalogs, custom pricing, volume pricing, quantity rules, payment terms, PO numbers, sales-rep workflows and bulk ordering. Plus removes the limitations around the number of catalogs and allows catalogs to be assigned directly to individual companies/locations. Shopify Help Center Shopify Help Center Shopify

The big advantage for your scenario is POS. Shopify can put ecommerce, retail POS, inventory and customer data into a much more unified operating model than platforms that require a separate POS integration.

I'd lean Shopify Plus if:

• You have a meaningful physical/POS operation.
• You want B2B and potentially DTC on the same platform.
• Your pricing can be represented through catalogs/price rules rather than an extremely sophisticated external pricing engine.
• You want relatively fast implementation and a large ecosystem.
• User experience and operational simplicity matter.

Plus currently starts at $2,500/month on a one-year term, with variable pricing possible for more complex structures. Shopify

Potential concern: If "custom pricing" means every customer has highly dynamic contract pricing, thousands of exceptions, negotiated price matrices, ERP-driven pricing, freight rules, etc., I'd investigate whether Shopify's native pricing model is sufficient before committing.

2. BigCommerce Enterprise — probably the strongest alternative

bigcommerce.com

I'd put BigCommerce very high on the list if you're saying:

"We're a serious B2B business first, and ecommerce is one of several channels."

It has a very open architecture, strong APIs, customer groups, multi-storefront, extensive integrations and enterprise plans designed around high-volume commerce. Its Performance plan is custom-priced for high-volume businesses. BigCommerce BigCommerce

The interesting thing for you is POS freedom. BigCommerce deliberately doesn't force you into one POS; it supports integrations with systems including Square, Clover, Heartland Retail, Vend and others. BigCommerce BigCommerce

That can actually be an advantage if you already have a POS that your stores/salespeople like.

I'd choose BigCommerce over Shopify when:

• Your B2B requirements are more complicated than your DTC requirements.
• You need a lot of API/headless flexibility.
• You already have a preferred POS.
• You have a sophisticated ERP/back-office architecture.
• You don't want the commerce platform dictating as much of the overall operating model.

3. Adobe Commerce — if the requirements are genuinely complex

business.adobe.com

Adobe Commerce is the one I'd investigate if your organization has complex pricing, customer hierarchies, catalogs, quoting, purchasing approvals and integrations.

Its B2B functionality includes:

• Company accounts and hierarchies
• Custom/shared catalogs
• Company-specific pricing
• Negotiable quotes
• Purchase-order workflows and approvals
• Quick order by SKU
• Requisition lists
• Complex B2B account permissions Experience League Experience League

It also supports custom pricing catalogs specifically for individual companies, and Adobe has optimized its catalog pricing architecture for merchants managing many shared catalogs. Experience League Experience League

For very large orders, the Quick Order capability is particularly relevant: buyers can enter multiple SKUs manually or import them into a quick-order form. Experience League

The downside is implementation/ownership. Adobe gives you enormous flexibility, but you generally need more engineering, implementation-partner and platform-management capability than Shopify.

4. OroCommerce — the sleeper I'd absolutely evaluate

oroinc.com

If this is a distributor/manufacturer/industrial B2B operation, I'd actually put OroCommerce into the RFP.

Oro is designed around B2B rather than adapting a primarily consumer-commerce model. Its current platform specifically emphasizes customer-specific pricing, pricebooks, tiered pricing, volume discounts, ERP-synchronized pricing, order minimums, units, kits and bundles. ORO INC. ORO INC.

That's very close to the problem you're describing.

It also has CRM/sales functionality and quote/approval workflows, which can be valuable when orders aren't simply "customer logs in → buys stuff." ORO INC.

The major question is POS. If POS is a central requirement, Shopify has a significant advantage. If POS is secondary and the core problem is extremely sophisticated B2B commerce, Oro becomes much more interesting.

How I'd make the decision

I'd actually frame the architecture like this:

POS → Ecommerce → ERP/OMS → Pricing/Customer data

rather than asking:

"Which ecommerce platform has the most B2B features?"

The critical question is where your pricing truth lives.

For example, if your ERP currently says:

Customer ABC + SKU 123 + quantity 500 = $8.42
Customer ABC + SKU 123 + quantity 1,000 = $7.91
Customer XYZ + SKU 123 = $8.17
Customer XYZ + freight zone 4 = $8.53

…and those rules change frequently, you don't want to manually replicate thousands of price rules inside the ecommerce platform.

In that situation I'd want the ecommerce platform to be exceptionally good at calling/synchronizing an external pricing engine or ERP, while maintaining a fast cached price for the storefront.

That's where I'd be particularly interested in BigCommerce, Adobe Commerce and OroCommerce.

My ranking for your stated requirements

If POS is a major part of the requirement:

1. Shopify Plus
2. BigCommerce Enterprise
3. Adobe Commerce
4. OroCommerce

If sophisticated B2B pricing/order management is the dominant requirement:

1. OroCommerce
2. Adobe Commerce
3. BigCommerce Enterprise
4. Shopify Plus

If you need both in roughly equal measure:

I'd put Shopify Plus vs. BigCommerce Enterprise vs. Adobe Commerce into the formal evaluation, with OroCommerce as the wildcard if your pricing/order model is particularly complicated.

One other important point: "large order volumes" can mean two completely different things—large number of orders or very large orders with hundreds/thousands of line items. The latter changes my recommendation quite a bit.

If you tell me roughly annual B2B revenue, number of SKUs, number of B2B customers, average/max order line count, current ERP, and what POS you use, I can narrow this to a 2–3 platform recommendation and an architecture rather than just a generic platform comparison.

It also has CRM/sales functionality and quote/approval workflows, which can be valuable when orders aren't simply "customer logs in → buys stuff." ORO INC.

The major question is POS. If POS is a central requirement, Shopify has a significant advantage. If POS is secondary and the core problem is extremely sophisticated B2B commerce, Oro becomes much more interesting.

How I'd make the decision

I'd actually frame the architecture like this:

POS → Ecommerce → ERP/OMS → Pricing/Customer data

rather than asking:

"Which ecommerce platform has the most B2B features?"

The critical question is where your pricing truth lives.

For example, if your ERP currently says:

Customer ABC + SKU 123 + quantity 500 = $8.42
Customer ABC + SKU 123 + quantity 1,000 = $7.91
Customer XYZ + SKU 123 = $8.17
Customer XYZ + freight zone 4 = $8.53

…and those rules change frequently, you don't want to manually replicate thousands of price rules inside the ecommerce platform.

In that situation I'd want the ecommerce platform to be exceptionally good at calling/synchronizing an external pricing engine or ERP, while maintaining a fast cached price for the storefront.

That's where I'd be particularly interested in BigCommerce, Adobe Commerce and OroCommerce.

My ranking for your stated requirements

If POS is a major part of the requirement:

1. Shopify Plus
2. BigCommerce Enterprise
3. Adobe Commerce
4. OroCommerce

If sophisticated B2B pricing/order management is the dominant requirement:

1. OroCommerce
2. Adobe Commerce
3. BigCommerce Enterprise
4. Shopify Plus

If you need both in roughly equal measure:

I'd put Shopify Plus vs. BigCommerce Enterprise vs. Adobe Commerce into the formal evaluation, with OroCommerce as the wildcard if your pricing/order model is particularly complicated.

One other important point: "large order volumes" can mean two completely different things—large number of orders or very large orders with hundreds/thousands of line items. The latter changes my recommendation quite a bit.

If you tell me roughly annual B2B revenue, number of SKUs, number of B2B customers, average/max order line count, current ERP, and what POS you use, I can narrow this to a 2–3 platform recommendation and an architecture rather than just a generic platform comparison.

For a B2B division with custom/customer-specific pricing, POS, and large order volumes, I’d put Shopify Plus, Adobe Commerce, and BigCommerce B2B Edition on the shortlist—but my default recommendation would be Shopify Plus, assuming POS is strategically important.

1. My first choice: Shopify Plus

The big advantage is that B2B and POS can live in the same commerce ecosystem, rather than building an ecommerce platform and then bolting a POS onto it.

Shopify's B2B functionality now supports company accounts, multiple buyers/locations, customer-specific catalogs, pricing, quantity rules, volume pricing, payment terms, PO numbers, bulk purchasing and self-service ordering. Plus adds unlimited catalogs and direct assignment of catalogs to individual companies/locations, which is particularly useful when every major account has its own negotiated price structure. www.shopify.com

There's an important caveat: Shopify's standard POS does not expose B2B company-specific pricing in POS purchases. Shopify explicitly says B2B company-specific prices aren't available for retail purchases through Shopify POS. help.shopify.com

So if by "POS" you mean sales reps/branches need to walk up to a B2B account and transact against its negotiated price, I'd test that workflow very carefully. There are third-party POS extensions that address B2B wholesale workflows, but I'd consider that an architectural dependency rather than assuming it's native. apps.shopify.com

2. Adobe Commerce if the B2B pricing engine is the hard part

I'd favor Adobe Commerce if you have highly sophisticated pricing and account structures.

Its native B2B capabilities include:

• company accounts/hierarchies
• shared catalogs with company-specific pricing
• negotiable quotes
• purchase orders
• approval rules
• Quick Order by SKU
• requisition lists
• account credit/payment terms

Those are unusually strong B2B capabilities out of the box. experienceleague.adobe.com

The tradeoff is complexity and POS. Adobe is more of an enterprise commerce platform that you'd integrate into a broader retail/POS architecture, whereas Shopify is much more opinionated around the entire commerce experience.

3. BigCommerce B2B Edition is the interesting middle ground

BigCommerce deserves serious consideration if this is primarily a B2B operation and you don't need the POS ecosystem to be native to the commerce platform.

B2B Edition has company accounts, customized/negotiated pricing, quotes, invoices, POs and net terms. docs.bigcommerce.com

Its POS approach is deliberately integration-oriented: BigCommerce lets you choose from POS providers and sync catalogs/inventory rather than trying to own the POS layer itself. www.bigcommerce.com

What I'd choose

If I were evaluating this for a company, I'd rank them:

#1 Shopify Plus — if you want B2B + DTC + POS + relatively fast implementation and a large ecosystem.

#2 Adobe Commerce — if B2B is extremely complex, pricing/quoting/approval logic is the heart of the business, and you're comfortable with a heavier enterprise implementation.

#3 BigCommerce B2B — if you're B2B-first, want a more flexible/headless architecture, and are comfortable selecting a separate POS.

One thing I'd not decide based solely on "can it handle large order volumes?" All three can be used for high-volume commerce. The more important question is how your pricing and ordering logic works.

For example, there's a huge architectural difference between:

"Customer A gets 15% off; Customer B gets a different price list."

and:

"Customer A has 14 locations, each location has different prices, contract pricing overrides volume pricing, certain SKUs have negotiated rates, reps can override prices within a margin threshold, orders over $50K require approval, and customers can submit POs."

The second scenario pushes me much more toward Adobe Commerce or a carefully architected Shopify Plus implementation.

If you tell me what POS you're currently using, what ERP you use (e.g. NetSuite/SAP/Dynamics), approximate annual B2B revenue/order volume, and how complicated the customer-specific pricing is, I can narrow this down considerably.

For a B2B division with custom/customer-specific pricing, POS, and large order volumes, I’d shortlist Shopify Plus and BigCommerce B2B Edition first, with Adobe Commerce as the “maximum customization” option.

My ranking

1. Shopify Plus — my default recommendation

If POS is genuinely important, I'd put Shopify Plus at the top.

Shopify now has native B2B capabilities including company accounts, customer-specific catalogs/pricing, volume pricing, payment terms, draft orders, and B2B checkout. Plus adds unlimited catalogs and direct assignment of pricing/catalogs to individual companies and locations. Shopify Help Center Shopify Help Center

The big differentiator is that B2B + ecommerce + POS live on the same platform. Shopify Plus explicitly supports B2B, retail/POS, and online commerce together. Shopify

I'd choose it if your model looks like:

Distributor/manufacturer → sales reps + physical locations + ecommerce + wholesale customers

And especially if you want to avoid building a lot of commerce infrastructure yourself.

Caveat: If your pricing engine is extremely sophisticated—e.g. negotiated contract pricing, millions of price/customer combinations, complex quote workflows, customer-specific product availability—Shopify can start requiring apps/custom development.

2. BigCommerce B2B — potentially better for a B2B-first operation

This is the one I'd investigate very seriously if B2B is more important than POS.

BigCommerce B2B Edition has native functionality for:

• SKU/customer-specific price lists
• bulk ordering
• purchase orders
• net payment terms
• requisition lists
• approval workflows
• company/account hierarchies
• quote-to-cart
• buyer portals BigCommerce BigCommerce

Its price-list architecture is particularly relevant to your use case: pricing can be assigned to customer groups and targeted at the variant/SKU level. BigCommerce

And BigCommerce has a high-volume tier with custom pricing, currently starting at $1,499/month when billed annually. BigCommerce

The tradeoff: POS isn't as compelling as Shopify's native retail ecosystem. If physical-store/POS operations are a major part of the business, I'd lean Shopify.

3. Adobe Commerce — if your pricing/order logic is unusually complicated

I'd consider Adobe if you have an enterprise IT organization and requirements such as:

• highly customized contract pricing
• sophisticated customer/account hierarchies
• complex quoting/RFQ
• ERP-driven pricing and inventory
• extensive workflow customization
• very large catalogs
• unusual checkout/order processes

Adobe is powerful, but you're accepting considerably more implementation and engineering overhead. In other words, I'd choose it because your business needs the customization, not simply because you're large.

The key question I'd ask

The decision really hinges on what "custom pricing" means.

There is a huge difference between:

A.

Customer A gets 15% off, Customer B gets 20% off, and Distributor C gets a different price list.

versus

B.

Every customer has negotiated prices by SKU, quantity, region, contract, sales rep, freight terms, and effective date, with millions of pricing permutations coming from our ERP.

For A → Shopify Plus is extremely attractive.

For B → I'd lean BigCommerce B2B or Adobe Commerce, depending on how much customization you need.

BigCommerce even cites a customer managing 30M+ pricing permutations, which is a useful indication of the type of B2B pricing problem it's targeting. BigCommerce

One other important consideration: POS

If your POS is something you're expecting to become a major part of the B2B operation, I'd give Shopify a substantial advantage. Shopify Plus bundles its B2B capabilities with Shopify POS Pro and its broader omnichannel infrastructure. Shopify

So my initial recommendation would be:

Shopify Plus → if you want one modern platform for B2B + DTC + POS + ecommerce
BigCommerce B2B → if you want B2B depth, complex pricing and large-volume ordering and POS is secondary
Adobe Commerce → if you need extreme customization and have the IT resources to operate it

If you tell me roughly annual B2B revenue, number of SKUs, number of B2B customers, how pricing is calculated, what POS you're using today, and what ERP you have (SAP, NetSuite, Dynamics, etc.), I can narrow this down considerably and give you a Shopify Plus vs BigCommerce vs Adobe architecture recommendation.

If your B2B division has custom/customer-specific pricing, POS sales, and very large order volumes, I’d shortlist BigCommerce B2B Edition, Shopify Plus, and Adobe Commerce. I would not default to a standard SMB ecommerce platform.

My ranking

1. BigCommerce B2B Edition — probably where I'd start

BigCommerce has particularly strong native capabilities around customer-specific price lists, SKU-level pricing, bulk pricing, customer groups, purchase orders, quotes, and B2B accounts. www.bigcommerce.com

Its quote functionality is especially relevant if your "large orders" often aren't straightforward cart transactions: quotes can contain custom line-item pricing, custom products, unusual shipping methods, and other negotiated terms. docs.bigcommerce.com

There's also a good precedent for very large catalogs/customer bases: BigCommerce describes a B2B implementation supporting roughly 500,000 products and 200,000 customers, including contract pricing and bulk purchasing. www.bigcommerce.com

I'd choose this if: the B2B business is the primary concern and you want substantial B2B functionality without taking on Adobe-level technical complexity.

2. Shopify Plus — strongest if POS is a major requirement

Shopify is unusually compelling if your requirement is B2B + physical sales/POS + ecommerce in one ecosystem. Shopify positions Plus as having B2B, DTC and POS in the same admin. www.shopify.com

Its current B2B capabilities include company/location accounts, customer-specific catalogs and pricing, volume pricing, quantity rules, PO numbers, payment terms, bulk ordering and reordering. www.shopify.com

The caveat is that very sophisticated B2B pricing/quoting logic may push you toward apps, custom development or integrations, whereas BigCommerce/Adobe are more naturally oriented around complex B2B commerce.

I'd choose this if: your sales operation is genuinely omnichannel and you want the same customer/product/order infrastructure powering online + sales reps + physical POS.

3. Adobe Commerce — if "custom pricing" means really custom

Adobe is the one I'd investigate if you have things like:

• Thousands of customer-specific price agreements
• Complex pricing matrices
• Contract-specific catalogs
• Multiple companies/divisions under one account
• Sophisticated approval workflows
• RFQs/negotiated quotes
• Complex ERP/OMS integration
• Very large catalogs
• Highly customized checkout/order logic

Adobe's B2B architecture supports company hierarchies, multiple buyers, roles/permissions and company-specific catalogs/pricing natively. developer.adobe.com

The tradeoff is significant: more implementation effort, more technical ownership and generally higher TCO. Current comparisons consistently position Adobe toward enterprises with deep customization requirements, versus Shopify's lower operational burden. www.shopify.com

The important question: what does "custom pricing" actually mean?

This could change my recommendation substantially.

For example:

A. Each customer gets a negotiated price list
→ BigCommerce / Shopify Plus are excellent.

B. Price = customer × SKU × quantity × contract × region
→ BigCommerce or Adobe become more attractive.

C. Sales rep negotiates every large order and converts a quote into an order
→ BigCommerce/Adobe have a strong advantage.

D. Orders are frequently $50k–$500k+, with PO/credit terms, freight/LTL, split shipments, etc.
→ I'd lean BigCommerce or Adobe.

E. Customers purchase through physical locations/POS as well as online
→ Shopify Plus becomes much more interesting because of its unified POS/B2B architecture. www.shopify.comwww.shopify.com

My likely shortlist

If I were running the selection process, I'd start with:

1. BigCommerce B2B Edition — default B2B choice
2. Shopify Plus — if POS/omnichannel is strategically important
3. Adobe Commerce — if pricing/order/ERP complexity is extreme
4. OroCommerce — as the B2B-specialist wildcard

I would not choose based on storefront features. For your use case, I'd run demos specifically around the pricing engine, quote-to-order flow, POS, ERP integration, customer account hierarchy, bulk ordering, order editing, and 100k+ line-item/catalog scenarios.

If you tell me (1) approximate annual B2B revenue, (2) average/max order size, (3) number of SKUs, (4) what POS you're using, and (5) ERP—e.g. SAP, NetSuite, Dynamics, Epicor, I can narrow this to a specific recommendation and architecture.

For a B2B division with custom/customer-specific pricing, POS, and large order volumes, I’d shortlist Shopify Plus, Adobe Commerce, and BigCommerce Enterprise—but the right choice depends heavily on how sophisticated your pricing and sales-rep workflows are.

My initial ranking

1. Shopify Plus — probably the best starting point

If POS is genuinely important, I'd put Shopify Plus at the top of the evaluation.

Shopify's native B2B functionality now supports company/location-level pricing, catalogs, volume pricing, quantity rules, payment terms, multiple buyers, and purchasing permissions. Plus adds unlimited catalogs and direct assignment of catalogs to individual companies/locations. help.shopify.com

It also gives you the advantage of having B2B ecommerce and Shopify POS in the same ecosystem, which can be a major operational benefit if your B2B customers also buy through physical locations, sales reps, showrooms, etc.

The big caveat: Shopify has some B2B order constraints. For example, B2B orders are currently capped at 500 line items, and draft orders at 200 line items. help.shopify.com If "large order volumes" means thousands of distinct SKUs on a single PO, I'd investigate this very carefully.

I'd choose Shopify Plus if:

• POS is strategically important
• You want B2B + DTC on one platform
• Most custom pricing can be represented through catalogs/price breaks
• You want a relatively low-maintenance SaaS platform
• You value a strong ecosystem of integrations/apps

Shopify Plus B2B

2. Adobe Commerce — strongest for highly complicated B2B

If your B2B operation is more like industrial distribution/manufacturing/wholesale than conventional ecommerce, Adobe Commerce deserves serious consideration.

Its B2B functionality is unusually deep: company accounts, shared catalogs with custom pricing, negotiated quotes, purchase orders, approval rules, requisition lists, quick ordering by SKU, and company-specific payment/credit arrangements. experienceleague.adobe.com

For example, Adobe's shared catalogs let you maintain different product/pricing structures for different companies, while negotiable quotes let sales and buyers negotiate price before ordering. experienceleague.adobe.com

I'd choose Adobe if:

• Pricing logic is extremely complicated
• Customers have negotiated contracts
• You need sophisticated sales-rep/quote/approval workflows
• Orders can be enormous
• You need substantial customization
• Ecommerce needs to integrate deeply with ERP/CRM/order-management systems

The downside is that it's a much more substantial technology project than Shopify Plus. And Adobe Commerce doesn't give you the same native POS story, so I'd treat POS as a separate architecture/integration question.

Adobe Commerce B2B documentation

3. BigCommerce Enterprise — the one I'd put between them

I'd also include BigCommerce Enterprise in the RFP, particularly if B2B ecommerce is the priority rather than POS.

It tends to be attractive for organizations that want a more open/commerce-oriented architecture without taking on quite as much platform complexity as Adobe.

The key question I'd ask before choosing

"Custom pricing" can mean very different things.

If you mean:

Customer A gets catalog X at 15% off, Customer B gets catalog Y at negotiated prices, and larger quantities get additional discounts

Shopify Plus is very compelling. Its native B2B system handles customer-specific catalogs, pricing, quantity rules and volume pricing. help.shopify.com

But if you mean:

Every customer has thousands of negotiated SKU-level prices, contract pricing, rebates, sales-rep overrides, customer-specific promotions, quotes, PO approvals and ERP-derived pricing

I'd lean much more heavily toward Adobe Commerce or a headless B2B commerce architecture.

One other important distinction

I'd separate "large order volume" into two things:

1. Lots of orders — e.g. 10,000 orders/day
2. Huge individual orders — e.g. a PO with 2,000–10,000 SKUs

Those lead to very different platform requirements. Shopify can be extremely scalable for #1, but its current B2B line-item limits make #2 something I'd test very carefully. help.shopify.com

My recommendation based solely on what you've told me:
Start with Shopify Plus and Adobe Commerce as the two finalists, with BigCommerce Enterprise as the third benchmark. If POS is a major part of the requirement, Shopify Plus gets a significant advantage; if complex negotiated pricing/ERP-driven ordering is the heart of the business, Adobe becomes more attractive.

If you tell me roughly annual B2B revenue, number of SKUs, number of B2B customers, average/max order size, ERP (SAP/NetSuite/Dynamics/etc.), and what you mean by POS, I can narrow this down considerably and give you a platform architecture recommendation rather than just a feature comparison.

For a B2B division with custom/customer-specific pricing, POS, and large order volumes, I’d put BigCommerce B2B Edition and Shopify Plus at the top of the shortlist, with Adobe Commerce as the more customizable/enterprise-heavy option.

My ranking

1. BigCommerce B2B Edition — probably my first choice

BigCommerce is particularly strong if your B2B division has lots of customer-specific price agreements.

Its B2B functionality supports customer groups, SKU-level price lists, bulk pricing, company accounts, purchase orders, and negotiated quotes. Its quote system can even handle custom line-item pricing and unusual shipping requirements for large orders. www.bigcommerce.com

That's a very good match for something like:

Customer A → 17% off
Customer B → $8.42/unit
Customer C → $7.95 if quantity > 500
Customer D → different catalog + negotiated freight
Sales rep → creates quote → customer converts it to an order

BigCommerce also has a high-volume Performance tier with custom pricing and no open-payment-provider fee under contracted terms. www.bigcommerce.com

The catch: POS isn't as naturally integrated as Shopify's ecosystem. If your B2B operation has significant in-person/phone/rep-assisted ordering, I'd investigate the POS architecture very carefully.

BigCommerce B2B

2. Shopify Plus — strongest if POS is a major requirement

Shopify has become considerably more interesting for B2B. In 2026 it expanded native B2B capabilities beyond Plus, including company profiles, catalogs, custom pricing, volume discounts, quantity rules, payment terms, etc. www.shopify.com

Shopify Plus adds much more sophisticated B2B capabilities: multiple buyers/locations, customer-specific catalogs, quantity rules, volume pricing, payment terms, PO numbers, self-service ordering, and sales-rep workflows. www.shopify.com

And Shopify POS is a major advantage if the same organization needs:

B2B ecommerce + retail POS + inventory + customer accounts + sales reps

That unified ecosystem is difficult to beat.

The question I'd ask is whether your pricing model is too complicated for Shopify's native model. If pricing is relatively structured—customer groups, catalogs, tiers, volume breaks—Shopify is excellent. If you're talking about thousands/millions of individualized contract-price combinations, BigCommerce may be the cleaner fit.

Shopify B2B Enterprise

3. Adobe Commerce — if this is a serious enterprise B2B operation

I'd look at Adobe Commerce if you have a highly customized business model and substantial technical resources.

It's particularly attractive when ecommerce needs to become a sophisticated layer on top of an ERP/CRM/PIM/CPQ ecosystem, rather than simply being a storefront.

But I'd only choose it if you actually need that level of flexibility. It's typically a significantly heavier implementation than Shopify or BigCommerce.

The important question is actually the POS

If you tell me what your POS is today—for example:

• Square
• Shopify POS
• Lightspeed
• NCR
• Clover
• custom POS
• ERP-based POS

—that could change my recommendation substantially.

I'd also want to know your ERP (NetSuite, SAP, Dynamics, Acumatica, Epicor, etc.) because for a B2B division the ecommerce platform should usually be selected around the ERP + pricing engine + inventory + POS architecture, not just the website.

If I had to shortlist today

Shopify Plus → if POS/retail integration and ease of operation are priorities.

BigCommerce B2B Edition → if complex customer-specific pricing, quotes, bulk ordering and B2B workflows are the priority.

Adobe Commerce → if you have an enterprise IT team and unusually complex requirements that the SaaS platforms can't accommodate.

For your description alone, I'd start the evaluation with BigCommerce vs. Shopify Plus, rather than looking at a dozen platforms. BigCommerce's B2B price-list/quote capabilities are especially compelling for your use case, while Shopify has the stronger native POS story. docs.bigcommerce.com

If you give me your approximate annual B2B revenue, number of SKUs/customers, current POS, ERP, and how the custom pricing works, I can narrow this down to a specific recommendation and architecture.

For a B2B division with custom customer pricing, POS, and large order volumes, I’d shortlist Shopify Plus, BigCommerce Enterprise, and Adobe Commerce. My default recommendation would be Shopify Plus unless your pricing/order logic is unusually complex.

1. Shopify Plus — probably my first choice

Shopify has significantly expanded its native B2B capabilities in 2026. You can have company-specific catalogs, pricing, quantity rules, volume pricing, payment terms and B2B purchasing alongside DTC, while keeping POS in the same ecosystem. help.shopify.comwww.shopify.com

For example, you can give Customer A:

• Product X: $72
• Product Y: $115
• Minimum order: 50 units
• Price at 100+: $65
• Price at 500+: $59

Shopify's B2B catalog system supports fixed customer pricing, volume breaks, and quantity increments/minimums. help.shopify.comwww.shopify.com

The particularly attractive part for your situation is POS + ecommerce + B2B in one platform. Shopify itself positions Plus around unified B2B, DTC and POS. www.shopify.com

I'd choose Shopify Plus if:

• You want B2B and DTC on the same platform.
• Your POS needs to share inventory/customer/order data with ecommerce.
• You want relatively fast implementation.
• Your custom pricing can be represented through catalogs, price rules, volume breaks and/or custom integrations.
• You don't want to maintain a large ecommerce engineering team.

Shopify Plus B2B

2. BigCommerce Enterprise — very worth evaluating

I'd put BigCommerce directly against Shopify Plus if B2B is the primary use case rather than DTC/POS.

It's particularly attractive when you need sophisticated B2B functionality without wanting to build as much yourself. Its Enterprise offering is designed around things like company accounts, custom pricing, bulk ordering and complex catalogs.

The tradeoff is that Shopify's native POS story is substantially stronger, so I'd favor BigCommerce when ecommerce/B2B functionality matters more than having a tightly integrated physical-sales operation.

3. Adobe Commerce — if "custom pricing" really means custom

This becomes interesting if your B2B pricing isn't simply "customer gets price list X."

Adobe Commerce supports shared catalogs, company-specific pricing, negotiated quotes, purchase orders, approval rules, requisition lists and quick ordering. developer.adobe.com

For example, if your sales process looks like:

Customer submits 18,000-unit order → salesperson negotiates price → buyer submits PO → multiple people approve → ERP validates credit → order is released

Adobe is a stronger candidate.

The downside is that you're buying considerably more implementation and engineering complexity. I'd only go there if the business requirements justify it.

The key question I'd ask your team

Don't choose based simply on "which has the best B2B features." I'd map your requirements into these five areas:

1. Pricing engine

• Customer-specific price?
• Customer + SKU price?
• Contract pricing?
• Quantity breaks?
• Rebates?
• Regional pricing?
• Sales-rep negotiated pricing?
• Real-time ERP-derived pricing?

2. Ordering

• 100–10,000+ line items?
• CSV/Excel order upload?
• Quick order by SKU?
• Reorder previous orders?
• Purchase orders?
• Approval workflows?
• Quotes?

3. POS

• Is B2B actually selling through physical locations?
• Same customer accounts as ecommerce?
• Same inventory?
• Sales reps taking orders on tablets?
• Offline POS?
• Customer-specific pricing at checkout?

4. ERP integration
This may actually determine the answer more than ecommerce. If pricing, inventory, credit limits, customer accounts and order fulfillment live in an ERP such as SAP, NetSuite, Microsoft Dynamics, etc., we need to assess the integration architecture.

5. Scale
"Large order volumes" can mean two very different things:

• Lots of orders: 50,000 B2B orders/month
• Huge individual orders: 5,000 SKUs / 100,000 units in one order

Those stress different parts of the architecture.

My preliminary ranking

If POS + B2B + DTC are all important:
Shopify Plus → BigCommerce → Adobe Commerce

If sophisticated B2B is overwhelmingly more important than POS:
Adobe Commerce → BigCommerce → Shopify Plus

If you want the lowest operational/technical burden:
Shopify Plus

If you have a large engineering team and highly bespoke B2B workflows:
Adobe Commerce

One important 2026 wrinkle: Shopify rolled substantial B2B functionality down to its non-Plus tiers in April 2026, but Plus still gives you unlimited catalogs and more granular company/location assignment, which is potentially very important for a large customer base. help.shopify.comwww.shopify.com

If you tell me (1) approximate annual B2B revenue, (2) number of B2B customers, (3) average/largest order size, (4) current ERP, and (5) whether POS is a must-have or just a nice-to-have, I can narrow this to a 2-platform recommendation and architecture.

For a B2B division with customer-specific pricing, POS, and very large order volumes, I’d put Shopify Plus, BigCommerce B2B Edition, and Adobe Commerce on the shortlist—but I’d weight them differently depending on how sophisticated your pricing and sales workflows are.

My ranking

1. Shopify Plus — probably my first choice

If POS is an important part of the business, Shopify Plus is unusually compelling because online B2B, retail POS, inventory, checkout and customer data can live in the same ecosystem. Shopify Plus includes Shopify POS Pro and supports high-volume infrastructure; Shopify says its platform is load-tested for 10K+ checkouts/minute and unlimited bandwidth, transactions and SKUs. www.shopify.com

For B2B, Plus supports:

• Customer/company-specific catalogs
• Customer-specific pricing
• Volume pricing
• Minimum/maximum/order-increment rules
• Multiple buyers and locations per company
• Payment terms
• PO numbers
• Bulk ordering
• Sales-rep ordering
• B2B self-service portals www.shopify.com

The big advantage is operational simplicity: you don't necessarily need a separate B2B commerce platform and separate POS platform.

Shopify Plus currently starts at $2,500/month on a 1-year term or $2,300/month on a 3-year term, with variable platform fees possible for more complex/high-volume businesses. www.shopify.com

The caveat: if "custom pricing" means extremely individualized pricing logic—e.g. every customer can have negotiated SKU-level prices, complex contract pricing, quotes, rebates, sales-rep overrides, etc.—I'd scrutinize Shopify's native B2B model and any apps/custom development very carefully.

2. BigCommerce B2B Edition — strongest B2B-centric alternative

I'd take a serious look at BigCommerce B2B Edition if the B2B side is more important than the retail/POS side.

It has native B2B concepts around:

• Company accounts
• Customer-specific catalogs/pricing
• Sales quotes
• Negotiated pricing
• Purchase orders/net terms
• Invoice management
• B2B buyer portals docs.bigcommerce.com

Its quoting capabilities are particularly interesting for your situation. Quotes can contain custom line-item prices, discounts, custom products, unusual shipping methods and large-order-specific terms. docs.bigcommerce.com

The tradeoff is POS. BigCommerce deliberately takes an "open POS" approach, letting you connect providers such as Clover, Zettle, ConnectPOS, Heartland and others rather than making POS as tightly integrated as Shopify's. www.bigcommerce.com

So I'd choose BigCommerce over Shopify when:

B2B pricing/quoting/order complexity > POS simplicity.

3. Adobe Commerce — the "we have complicated business rules" choice

Adobe Commerce becomes attractive if you're dealing with a genuinely sophisticated enterprise B2B organization.

Its B2B functionality includes:

• Shared catalogs with company-specific pricing
• Negotiable quotes
• Purchase orders and approval rules
• Quick order by SKU
• Requisition lists
• Company accounts
• Custom payment/shipping rules experienceleague.adobe.com

Adobe also has functionality specifically designed to improve performance when managing many shared catalogs/custom pricing configurations, which is relevant if you have a large number of B2B accounts. experienceleague.adobe.com

The downside is that I'd expect more implementation complexity, development and ongoing technical ownership than Shopify Plus.

POS is also not its natural strength—you'd generally integrate it rather than getting the same unified experience you can get with Shopify.

The decision I'd make

If I were evaluating this for your company, I'd narrow it to:

Shopify Plus vs. BigCommerce B2B

Choose Shopify Plus if:

• POS is strategically important
• You want B2B + DTC + retail in one ecosystem
• You want fast implementation
• You want strong scalability without managing infrastructure
• Your custom pricing can fit within catalogs/rules + APIs/custom logic
• Ease of use for internal teams matters

Choose BigCommerce if:

• B2B is the dominant business
• You have lots of negotiated pricing
• Quotes are a major part of the sales process
• Sales reps need sophisticated assisted ordering
• You need unusual B2B workflows
• You're comfortable integrating a separate POS

Choose Adobe Commerce if:

• Pricing and ordering logic is exceptionally complex
• You have a strong internal engineering/IT organization
• You need extensive customization beyond standard B2B workflows
• You're already heavily invested in Adobe's ecosystem

One thing I'd investigate before choosing

For large order volumes, I wouldn't just ask vendors, "Can you handle our order volume?"

I'd give each vendor a representative workload such as:

100,000+ B2B customers → 20,000 active accounts → 50,000 SKUs → customer-specific SKU pricing → 10–100,000-unit orders → negotiated quotes → sales-rep ordering → multiple warehouses → ERP inventory → POS → EDI/API orders.

Then test actual pricing lookup, cart performance, checkout, order creation, ERP synchronization and bulk ordering under load.

That's where platforms that look similar on a feature checklist can diverge dramatically.

My initial recommendation: Shopify Plus if POS is a major requirement; BigCommerce B2B if sophisticated B2B pricing/quoting is the overriding requirement. I would only put Adobe Commerce ahead of those two if you already know you need a highly customized enterprise architecture.

Shopify Plus · BigCommerce B2B · Adobe Commerce

For a B2B division with custom pricing, POS integration, and large order volumes, you are probably beyond a standard ecommerce platform. The right choice depends heavily on your ERP, sales model, and how complex your pricing rules are, but I would shortlist these:

www.atwix.comwww.growmax.io

My likely recommendations by scenario

1. Distributor / wholesale business

• First look: Adobe Commerce, OroCommerce, BigCommerce
• Requirements usually include:
  • contract pricing by customer
  • customer-specific catalogs
  • bulk ordering
  • quote requests
  • sales rep-assisted ordering
  • ERP inventory sync

2. Retail company adding a B2B division

• First look: Shopify Plus
• Especially if you already need:
  • retail POS
  • consumer ecommerce
  • unified inventory
  • multiple channels

3. Manufacturing or industrial company

• First look: Adobe Commerce, SAP Commerce Cloud, Sana Commerce
• The deciding factor is often ERP integration and pricing logic.

4. Very high order volume / complex procurement

• Consider:
  • Adobe Commerce
  • SAP Commerce Cloud
  • commercetools (if you have strong engineering capability)

Key capabilities I would require in your evaluation

For your use case, don't just compare storefront features. Require:

• Customer-specific price engines
  • negotiated pricing
  • contract pricing
  • tier/volume discounts
  • regional pricing

• Large-order capabilities
  • CSV/order upload
  • quick order entry
  • saved carts
  • recurring orders
  • purchase order workflows

• POS + inventory
  • shared inventory visibility
  • store pickup/ship-from-store if applicable
  • customer profiles shared between channels

• ERP integration
  • real-time inventory
  • order sync
  • customer/account sync
  • pricing sync

• Sales team workflows
  • reps placing orders for customers
  • quote approval
  • account hierarchies

www.growmax.io

If you are doing millions of dollars in B2B transactions annually, my initial shortlist would probably be:

1. Adobe Commerce — maximum flexibility
2. Shopify Plus — fastest operationally if POS/DTC matters
3. BigCommerce — strong balance of B2B capability and simplicity
4. OroCommerce — best if you are truly wholesale-first

The biggest factor I’d want to know before narrowing it down: what ERP/POS are you currently running (NetSuite, SAP, Dynamics, Epicor, Lightspeed, Shopify POS, etc.) and roughly how many SKUs and annual B2B orders?

For a B2B division with custom pricing, POS requirements, and large order volumes, you should generally avoid a standard DTC ecommerce platform with B2B features bolted on. Your shortlist should focus on platforms that handle:

• customer-specific price lists and negotiated contracts
• sales-rep-assisted ordering
• large carts / bulk ordering
• account hierarchies and approvals
• purchase orders and payment terms
• ERP/PIM/WMS integrations
• POS + ecommerce inventory synchronization
• high transaction volume and complex catalogs

www.atwix.comwww.shopify.comoroinc.com

Strong candidates

www.shopify.comoroinc.com

My likely recommendations by scenario

1. Distributor / wholesaler with thousands of SKUs, negotiated pricing, and sales reps
→ OroCommerce or Adobe Commerce

These are usually the strongest fits when every customer may have different pricing, catalogs, ordering rules, and approval flows. www.shopify.comoroinc.com

2. Retail company adding a serious B2B channel
→ Shopify Plus

Especially if you need:

• stores + ecommerce + POS
• one inventory view
• consumer and wholesale channels together

www.atwix.comwww.shopify.comoroinc.com

3. High-volume mid-market B2B with less customization
→ BigCommerce B2B Edition

A good compromise between enterprise capability and operational simplicity. www.atwix.comwww.shopify.comoroinc.com

4. Large enterprise already running SAP, Salesforce, or Oracle ERP
→ Stay close to that ecosystem:

• SAP Commerce Cloud
• Salesforce B2B Commerce
• Oracle NetSuite Commerce

ERP alignment often matters more than storefront features in large B2B operations. www.atwix.comwww.shopify.comoroinc.com

POS consideration

POS changes the recommendation. If your B2B division includes:

• branches/counter sales
• field sales reps
• showroom transactions
• inventory shared with ecommerce

then Shopify Plus becomes more attractive because of its retail ecosystem, while Adobe/Oro may require more integration work. www.atwix.comwww.shopify.comoroinc.com

Questions that would narrow this down:

1. What ERP are you using (SAP, NetSuite, Dynamics, Epicor, Infor, custom)?
2. Is the POS for physical stores/counters or sales reps on the road?
3. How many SKUs and customers are we talking about?
4. Do customers have individually negotiated pricing, or mostly volume-tier pricing?
5. Do you also operate a B2C ecommerce business today?

For a B2B division with custom/contract pricing, POS, and large order volumes, I’d shortlist Shopify Plus, BigCommerce B2B Edition, and Adobe Commerce—with Shopify Plus as the default first platform to evaluate.

My ranking

1. Shopify Plus — probably where I'd start

Shopify has become considerably more compelling for B2B in 2026. Plus supports company/location accounts, customer-specific catalogs, negotiated pricing, quantity rules, volume pricing, payment terms, and self-service purchasing. apps.shopify.com

The big differentiator for your situation is POS + B2B in the same ecosystem. Shopify Plus explicitly combines B2B, online commerce and Shopify POS Pro, which makes it attractive if the B2B division also has physical sales/showrooms/stores. www.shopify.com

It's also SaaS, so you avoid a lot of the infrastructure and upgrade burden associated with Adobe.

I'd choose Shopify Plus if:

• You want B2B and POS tightly integrated.
• You have a meaningful retail/physical-sales component.
• Custom pricing can be represented through customer/company catalogs and pricing rules.
• You want relatively fast implementation and lower ongoing IT overhead.
• Your ERP remains the system of record for inventory/accounting.

One important nuance: Plus matters for your use case. Shopify made basic B2B functionality available on lower plans in 2026, but unlimited catalogs and direct catalog assignment to specific companies/locations, deposits and partial payments remain Plus features. www.shopify.com

2. BigCommerce — very worth evaluating

I'd put BigCommerce next if B2B complexity is more important than POS.

It's particularly attractive when you have complicated customer groups, pricing structures, payment requirements, and B2B workflows. Independent 2026 comparisons similarly position BigCommerce as a strong mid-market B2B option, while Shopify tends to win on unified B2B/DTC and operational simplicity. elogic.co

The question I'd specifically ask BigCommerce is how well its B2B pricing model maps to your actual contract-pricing hierarchy rather than just generic customer-group pricing.

3. Adobe Commerce — consider if your pricing is really complicated

Adobe Commerce becomes interesting if you're talking about things like:

• thousands of customer-specific price lists
• complicated account hierarchies
• sophisticated RFQ/negotiation
• customer-specific product assortments
• elaborate approval workflows
• unusual ordering rules
• very large catalogs
• substantial custom integrations

It has considerably more architectural flexibility, but that comes with significantly more implementation and ownership burden. Current comparisons generally put Adobe ahead when deep native B2B customization is the priority, while Shopify wins on speed and operational simplicity. elogic.co

I wouldn't select Adobe just because you have large order volumes. I'd select it because your business rules are sufficiently unusual to justify the complexity.

The biggest question is actually your pricing architecture

"Custom pricing" can mean very different things.

For example:

Simple:

Customer A gets 20% off our standard wholesale price.

Moderate:

Customer A gets a negotiated price list, Customer B gets another, and pricing changes by quantity.

Complex:

Customer A has negotiated prices for 8,000 SKUs, different prices by branch, manufacturer/product category, quantity breaks, effective dates, rebates, sales-rep overrides, and ERP-generated pricing.

The third scenario changes my recommendation substantially.

If pricing lives in an ERP and ecommerce needs to retrieve/display the correct price, I'd pay particular attention to the ERP integration architecture rather than choosing the platform based solely on its native pricing functionality. Shopify, for example, can sit at the commerce layer while ERP/WMS systems remain downstream systems of record. www.shopify.com

My recommendation

I'd run an RFP/POC with:

1. Shopify Plus — first choice
2. BigCommerce — primary challenger
3. Adobe Commerce — complexity/enterprise challenger

And I'd make the vendors demonstrate—not just describe—these six scenarios:

1. Customer-specific negotiated price
2. 10,000+ line/SKU B2B order
3. Quantity/volume price breaks
4. Same customer buying through ecommerce and POS
5. ERP sends/updates contract pricing
6. Large order with payment terms / PO / credit limits

That will reveal much more than a generic feature comparison.

Shopify Plus currently starts at $2,300/month on a three-year term or $2,500/month on a one-year term, with variable pricing possible for more complex business structures. www.shopify.com

If you tell me (a) approximate annual B2B revenue/order volume, (b) number of SKUs, (c) what POS you use today, (d) ERP—e.g. NetSuite/SAP/Dynamics—and (e) how complicated the customer pricing is, I can narrow this down to a specific recommendation and architecture, including where I'd keep pricing, inventory, customers, orders, and POS.

For a B2B division with customer-specific pricing, POS, and very large order volumes, I’d shortlist BigCommerce Enterprise, Shopify Plus, and Adobe Commerce—but they fit different operating models.

My ranking

1. BigCommerce Enterprise — probably my first choice

BigCommerce is particularly strong if this is a true B2B operation rather than primarily a retail business adding wholesale.

Its B2B capabilities include customer/company accounts, SKU-level price lists, bulk pricing, purchase orders, quotes, invoices, and reordering. www.bigcommerce.com

It also has a good architecture for high-volume operations and integrations with ERP/OMS/CRM systems. For POS, BigCommerce deliberately takes an integration approach—you can connect the POS system that fits your operation rather than being locked into one. www.bigcommerce.com

I'd favor it if:

• B2B is the primary business
• pricing can differ significantly by customer/account
• orders can contain hundreds/thousands of SKUs
• you need quotes, POs, net terms, etc.
• ERP integration is important
• you don't need the ecommerce platform itself to be your POS

BigCommerce B2B

2. Shopify Plus — strongest if POS + B2B need to be one ecosystem

If by POS you mean physical stores, sales counters, showrooms, or sales reps taking orders in person, I'd put Shopify Plus very high on the list.

Shopify now has native B2B functionality including company accounts, customer/location-specific catalogs, custom pricing, volume pricing, quantity rules, payment terms and bulk ordering. Plus supports unlimited B2B catalogs and assignment at the company-location level. help.shopify.com

The major advantage is the online + POS + B2B ecosystem. Shopify Plus is explicitly positioned around online, retail and B2B together. www.shopify.com

I'd favor it if:

• you have substantial physical retail/POS activity
• you want one commerce platform for DTC + B2B + POS
• speed of implementation matters
• you want a large ecosystem of integrations
• your B2B pricing is complex but not extraordinarily bespoke

Shopify Plus starts at $2,500/month on a one-year term according to its current pricing page, with variable platform pricing possible for more complex structures. www.shopify.com

Shopify Plus B2B

3. Adobe Commerce — if the pricing/order logic is really complicated

I'd consider Adobe Commerce when you're talking about things like:

• thousands of customer-specific price agreements
• complicated contract pricing
• multiple corporate entities
• sophisticated approval workflows
• negotiated quotes
• requisition lists
• complex catalogs
• multiple websites/brands
• heavy ERP integration
• substantial customization

Adobe's B2B functionality is unusually deep: shared catalogs provide company-specific pricing, while B2B includes negotiable quotes, purchase orders, approval rules, quick order and requisition lists. experienceleague.adobe.com

It's also explicitly designed around complex company structures with multiple buyers, roles and purchasing permissions. experienceleague.adobe.com

The downside is implementation and ongoing technical complexity. I'd only choose it if you actually need that flexibility.

Adobe Commerce B2B

The important distinction

I'd frame the decision this way:

B2B-first → BigCommerce
Retail/POS + B2B → Shopify Plus
Extremely complex enterprise B2B → Adobe Commerce

For your description specifically, I'd start the evaluation with BigCommerce Enterprise and Shopify Plus, then bring Adobe Commerce in if your pricing/order rules turn out to be unusually complex.

One thing I'd want to understand before making a firm recommendation is what "large order volumes" means—e.g. 500 orders/day vs. 10,000/day—and whether "POS" means your own physical retail POS or B2B sales reps placing large orders for customers. Those two answers could change the recommendation substantially.

For a B2B division with custom pricing, POS, and large order volumes, I’d narrow the field to BigCommerce B2B Edition, Adobe Commerce, and Shopify Plus. I would not start with a generic ecommerce platform and bolt B2B functionality on afterward.

My shortlist

1. BigCommerce B2B Edition — my first choice

This is probably where I'd start.

BigCommerce has native customer groups, SKU-level price lists, bulk pricing, purchase orders, quoting, buyer accounts, approval workflows and requisition/reordering capabilities. That's a much better match for a wholesale operation than trying to force a consumer-oriented platform into a B2B model. www.bigcommerce.com

The particularly important piece for you is custom pricing at scale. You can have different pricing/catalog access for different customers without maintaining separate storefronts. www.bigcommerce.comapps.shopify.com

The caveat: POS isn't BigCommerce's strongest native capability. If your B2B division has a substantial physical-sales component, I'd investigate the specific POS/ERP architecture before committing.

2. Adobe Commerce — if the business rules are really complicated

Adobe Commerce becomes attractive if "custom pricing" means things like:

• Thousands of customer-specific price agreements
• Complex contract pricing
• Company/account hierarchies
• Sales-rep-assisted ordering
• RFQs and negotiated quotes
• Approval workflows
• Very large catalogs
• Deep ERP integration
• Different catalogs/products by customer
• B2B + B2C on the same underlying commerce platform

Its B2B functionality includes shared catalogs with company-specific pricing, quick order, company accounts and negotiated quotes. experienceleague.adobe.com

The tradeoff is implementation and ongoing technical complexity. I'd choose Adobe when the business genuinely needs that flexibility—not simply because it's "enterprise."

3. Shopify Plus — if POS is a major requirement

If the division needs a really strong physical + online selling experience, Shopify deserves serious consideration.

Shopify's ecosystem is arguably the strongest of these three for POS, and you can extend it for wholesale/customer-specific pricing. There are also B2B/POS solutions that support customer-specific rules, volume pricing, PO numbers and draft orders. apps.shopify.com

I'd favor Shopify Plus particularly if you're doing B2B + B2C + retail/POS and want one ecosystem.

But if this is a pure B2B wholesale operation with sophisticated contractual pricing and procurement workflows, I'd lean BigCommerce or Adobe instead. Shopify's more complicated B2B requirements can lead to additional apps/custom development. www.bigcommerce.com

The decision I'd make

I'd frame it this way:

BigCommerce B2B → "We want sophisticated B2B functionality without taking on a huge commerce engineering operation."

Adobe Commerce → "Our pricing, accounts, catalog, quoting and ERP rules are sufficiently complicated that we're willing to invest in the platform."

Shopify Plus → "POS and overall omnichannel experience are as important as B2B, and we want operational simplicity."

For the requirements you've given, BigCommerce B2B would be my starting recommendation.

One important qualification: "POS" could change the answer. If you tell me what POS you're using (or considering), your ERP/CRM (e.g. SAP, NetSuite, Dynamics, Salesforce), approximate SKU count, and whether pricing is customer-specific vs. customer-tier/volume-based, I can give you a much more definitive recommendation and architecture.

For a B2B division with customer-specific pricing, POS, and large order volumes, I’d put Shopify Plus and BigCommerce B2B Edition at the top of the shortlist.

My recommendation

1. Shopify Plus — my first choice if POS is important

Shopify has substantially expanded its native B2B functionality in 2026. You can now manage companies, company locations, customer-specific catalogs/pricing, volume pricing, quantity rules, payment terms and self-service ordering natively. Plus adds unlimited B2B catalogs and the ability to assign catalogs directly to individual companies/locations. help.shopify.com

The big advantage for your scenario is POS: ecommerce, inventory and physical selling can live on the same Shopify platform. help.shopify.com

However, there's an important catch: Shopify's company-specific B2B pricing isn't available for retail purchases through Shopify POS. A B2B customer with company-specific pricing has to use the online B2B experience for those prices. help.shopify.com

So I'd choose Shopify Plus if your POS is primarily for retail/in-store sales, while B2B orders happen through the ecommerce portal.

There's also a 500-line-item limit on B2B orders (and 200 on draft orders), which I'd specifically test against your largest orders. help.shopify.com

2. BigCommerce — arguably better if B2B complexity is the priority

BigCommerce B2B Edition is particularly strong when "custom pricing" means negotiated account-level pricing, quotes, purchase orders, invoices, company hierarchies and sales-rep workflows, rather than simply wholesale price lists.

Its B2B Edition supports company accounts, sales quotes with negotiated pricing, invoice management and purchase orders/net terms. It also exposes dedicated B2B APIs, which is attractive if you have an ERP or custom sales infrastructure behind the ecommerce site. docs.bigcommerce.com

The tradeoff is POS. BigCommerce intentionally takes a POS-agnostic approach: you connect systems such as Clover, Zettle, Heartland, ConnectPOS, etc., rather than getting the same deeply integrated POS experience that Shopify provides. www.bigcommerce.com

What I'd do in your situation

I'd shortlist them this way:

Choose Shopify Plus if:

• POS is strategically important
• You have both B2B and DTC
• You want one operational platform
• Most B2B orders are relatively straightforward
• Speed/ease of implementation matters
• You want a large ecosystem of integrations

Choose BigCommerce if:

• B2B is the dominant business
• Pricing is highly negotiated/customer-specific
• Quotes and sales reps are central to the process
• Orders can be extremely large/complex
• You have substantial ERP/OMS integration requirements
• You're comfortable selecting a separate POS

One thing I'd investigate before choosing

The phrase "custom pricing" is the key.

If you mean:

Customer A gets 10% off, Customer B gets $42/unit, Customer C gets a special price for 500+ units, and prices vary by location/contract

both platforms can handle that.

If you mean:

Every account has its own negotiated SKU-level price book, sales reps regularly override prices, customers submit POs, quotes turn into orders, there are approval workflows, and the ERP is the ultimate source of truth

I'd lean BigCommerce.

If you mean:

We have a B2B wholesale division but also want a polished ecommerce site and physical POS, with relatively standardized wholesale pricing

I'd lean Shopify Plus.

For your specific combination of B2B + POS + large volumes, I'd start with Shopify Plus vs. BigCommerce B2B Edition rather than looking at generic ecommerce platforms. The deciding factor is whether POS integration or sophisticated B2B order/pricing logic is more important.