ChatGPT answers, unedited

For a digital agency that prioritizes Infrastructure as Code (IaC), the best cloud compute providers are usually the ones with mature APIs, strong Terraform support, good Kubernetes integrations, and broad automation coverage.

Here are the strongest options:

Strongest IaC ecosystems

1. AWS — best overall ecosystem

AWS is usually the default choice for agencies because almost every DevOps tool supports it. You get:

• Official Terraform provider
• Thousands of community Terraform modules
• Infrastructure testing tools like Terratest
• Kubernetes support through EKS
• Serverless infrastructure support
• Mature CI/CD integrations

A typical agency stack:

• Terraform → infrastructure provisioning
• Packer → image builds
• Ansible → configuration management
• GitHub Actions/GitLab CI → deployments
• Kubernetes/EKS → application orchestration

2. Google Cloud — excellent for cloud-native teams

Google Cloud tends to have a cleaner developer experience:

• First-class Kubernetes with Google Kubernetes Engine
• Strong Terraform support
• Good fit for containerized applications
• Excellent networking and data services

3. Azure — strongest for enterprise clients

Azure is attractive when clients already use Microsoft ecosystems:

• Entra ID integration
• Azure DevOps support
• Bicep for native Azure deployments
• Terraform for multi-cloud setups

IaC tools worth standardizing around

For an agency serving multiple clients, a common pattern is:

Primary provisioning

• Terraform or OpenTofu

Configuration

• Ansible

Containers

• Kubernetes

Secrets

• HashiCorp Vault or cloud-native secret managers

CI/CD

• GitHub Actions
• GitLab CI/CD

Agency-oriented shortlist

If you are building a reusable delivery platform for many clients:

1. AWS + Terraform/OpenTofu — safest default
2. Google Cloud + Terraform — excellent for modern app teams
3. Azure + Terraform/Bicep — best for enterprise Microsoft customers
4. DigitalOcean/Hetzner/Vultr + Terraform — great for smaller deployments and cost-sensitive clients

A practical agency approach is often Terraform-first and cloud-agnostic, with reusable modules so teams can deploy the same patterns across AWS, Azure, GCP, and smaller providers.

For a digital agency that prioritizes Infrastructure as Code (IaC), the best cloud compute providers are usually the ones with mature APIs, first-class Terraform support, strong Kubernetes integrations, and broad ecosystem adoption.

Here are the major options and how they fit common IaC workflows:

Strong IaC combinations

Terraform-centric agency stack

• AWS + Terraform
• Azure + Terraform
• Google Cloud + Terraform
• DigitalOcean + Terraform

Terraform is probably the safest common denominator if your agency provisions infrastructure for multiple customers because engineers can reuse patterns across providers.

Kubernetes-focused agency

• Google Cloud + Google Kubernetes Engine
• AWS + Amazon Elastic Kubernetes Service
• Azure + Azure Kubernetes Service

These pair well with:

• Terraform for clusters/networking
• Helm for applications
• Argo CD or Flux for GitOps deployments

Developer-experience focused

• DigitalOcean or Hetzner + Terraform + Ansible
• Good for repeatable client environments without enterprise overhead

Tools that tend to work well across providers

• Terraform — widest multi-cloud adoption
• Pulumi — useful if your team prefers TypeScript, Python, Go, or C#
• Ansible — configuration management and server automation
• Packer — immutable machine images
• Kubernetes — portable application orchestration
• GitHub Actions/GitLab CI/Jenkins — automated infrastructure pipelines

For a digital agency specifically, I’d usually prioritize:

1. AWS — if you need maximum client compatibility and enterprise credibility.
2. Google Cloud — if your agency specializes in modern cloud-native applications and Kubernetes.
3. Azure — if your clients are enterprises already invested in Microsoft.
4. DigitalOcean/Hetzner/Vultr — if you want fast delivery and lower operational costs for smaller clients.

A common agency pattern is: Terraform modules + Git-based workflows + cloud-specific providers, rather than trying to force every client onto one cloud. This gives you reusable infrastructure templates while keeping flexibility for client requirements.

If infrastructure as code (IaC) is a core value for your agency, I’d prioritize providers with mature first-party Terraform/Pulumi support, broad API coverage, and good module/community ecosystems.

Strongest options

The big three

AWS is probably the safest choice if you want one standardized platform across many clients. Its official Terraform provider currently exposes 1,600+ resources, covering compute, networking, IAM, containers, databases, serverless, etc., and has an enormous module ecosystem. registry.terraform.io

AWS Terraform Provider

Azure is similarly mature. The official azurerm provider is maintained by the Azure and HashiCorp teams, supports Azure Resource Manager extensively, and supports CI/CD-friendly authentication including OIDC. registry.terraform.io

Azure Terraform Provider

Google Cloud has an equally strong Terraform story. The official provider is jointly maintained by Google and HashiCorp and has extensive coverage of Compute Engine, GKE, networking, IAM, databases, BigQuery, and other GCP services. registry.terraform.io

Google Cloud Terraform Provider

For an agency specifically

I'd probably standardize around:

Terraform + AWS as your default stack, with Cloudflare alongside it for DNS/CDN/edge.

Then keep Azure and GCP as supported alternatives when client requirements dictate them.

If your clients mostly need simple VPS-based websites/apps, however, DigitalOcean or Hetzner + Terraform can be much less operationally heavy than AWS while retaining an IaC-first workflow.

The important distinction is that “supports Terraform” isn't enough. For an agency, I'd evaluate providers on:

1. Provider maturity and API coverage
2. Terraform/Pulumi provider quality
3. Reusable modules
4. OIDC/workload identity for CI/CD
5. Import/drift handling
6. Preview/plan quality
7. Networking and IAM expressiveness
8. Cost predictability
9. Ability to reproduce an environment from zero
10. How easy it is to hand the infrastructure to another engineer

If you tell me the kind of workloads your agency deploys (e.g. WordPress, Next.js, SaaS, Kubernetes, static sites, databases), I can narrow this down to a 2–3 provider shortlist and recommended Terraform architecture.

For a digital agency that prioritizes Infrastructure as Code (IaC), the strongest cloud compute providers are generally the ones with mature APIs, official Terraform providers, good Kubernetes support, and broad ecosystem compatibility.

Here are the main options:

Best IaC tooling combinations

Terraform / OpenTofu-first agency

A common agency stack:

• Terraform or OpenTofu → infrastructure provisioning
• Packer → immutable machine images
• Ansible → configuration management (when needed)
• Kubernetes + Helm → application platforms
• GitHub Actions / GitLab CI / CircleCI → deployment pipelines

AWS, Azure, and GCP all have first-class support here.

Kubernetes-focused agency

Strong choices:

1. Google Cloud — especially with Google Kubernetes Engine (GKE)
2. AWS — with Amazon Elastic Kubernetes Service (EKS)
3. Azure — with Azure Kubernetes Service (AKS)

Client-services agency with many different clients

A practical mix:

• Large enterprises → AWS / Azure / GCP
• SaaS startups → AWS / GCP / DigitalOcean
• Cost-sensitive workloads → Hetzner / Vultr / DigitalOcean
• Edge-heavy projects → Cloudflare

What I would prioritize when evaluating providers

1. Official Terraform/OpenTofu provider quality
   • Resource coverage
   • Provider stability
   • Documentation quality
   • Community adoption

2. API completeness
   • Anything manageable in the console should ideally be manageable as code.

3. State and secrets management
   • Remote state support
   • IAM integration
   • Secret managers

4. Environment replication
   • Ability to spin up identical dev/staging/production environments.

5. Policy-as-code support
   • Tools like Open Policy Agent, Sentinel, or Terraform Cloud policies.

Short recommendation for a digital agency

• Default enterprise stack: AWS + Terraform/OpenTofu
• Cloud-native/Kubernetes stack: GCP + Terraform/OpenTofu
• Microsoft enterprise clients: Azure + Terraform/Bicep
• Lean startup/client hosting: DigitalOcean or Hetzner + Terraform
• Modern edge/web agency: Cloudflare + Terraform plus a compute provider

For most agencies, standardizing on Terraform/OpenTofu with AWS, GCP, or Azure as primary clouds gives the best balance of client compatibility, hiring availability, and long-term maintainability.

If your agency prioritizes Infrastructure as Code (IaC), I’d focus on providers with mature Terraform/OpenTofu and Pulumi ecosystems, strong APIs, and good support for repeatable compute/networking deployments.

The strongest three

AWS is probably the safest default for an agency. Its Terraform provider is exceptionally mature and currently exposes more than 1,600 resources, including EC2, ECS, EKS, VPC, Lambda, RDS, and networking. registry.terraform.io

AWS Terraform provider

Azure is similarly strong. Microsoft explicitly supports Terraform and Pulumi alongside its native Bicep tooling. AzureRM is the standard Terraform provider, while AzAPI gives you direct access to newer/preview Azure APIs when AzureRM hasn't caught up yet. learn.microsoft.com

Azure Terraform provider

Google Cloud has an excellent Terraform integration, covering Compute Engine, GKE, Cloud SQL, networking, storage, etc. Google itself recommends its Terraform provider for managing GCP infrastructure and also offers Infrastructure Manager for running Terraform configurations. registry.terraform.io

Google Terraform provider

If you're standardizing on Pulumi

AWS, Azure, and GCP are all first-class Pulumi targets. Pulumi provides dedicated cloud integrations, and its provider ecosystem can also leverage Terraform/OpenTofu providers when necessary. www.pulumi.com

That makes a stack like:

Git → Terraform/OpenTofu or Pulumi → cloud provider → Kubernetes/container platform

quite portable across clients.

My agency-oriented ranking

I'd choose:

1. AWS — best overall ecosystem and client portability
2. GCP — particularly attractive if your work is Kubernetes/cloud-native
3. Azure — excellent for enterprise/Microsoft environments
4. DigitalOcean — great when clients don't need hyperscaler complexity
5. Hetzner — compelling when infrastructure cost is a major consideration
6. Cloudflare — excellent complement for edge/serverless workloads rather than a conventional VM-first cloud

One important distinction: IaC maturity doesn't necessarily mean the cloud is easy to operate. AWS/Azure/GCP give you enormous IaC surface areas, but that can also mean more complexity. For an agency deploying dozens of relatively standardized client environments, a smaller provider can sometimes produce a much cleaner Terraform codebase and operating model.

If you tell me whether you primarily use Terraform/OpenTofu, Pulumi, Ansible, or Kubernetes, I can narrow this down to the best 3–4 providers for an agency setup.

If infrastructure as code (IaC) is a core value for your agency, I'd prioritize providers with mature, first-class support for Terraform/OpenTofu and Pulumi, strong APIs, reusable modules, and good CI/CD integration.

Best fits

AWS has arguably the deepest IaC ecosystem. Its official Terraform provider currently exposes resources across EC2, VPC, EKS, ECS, RDS, Lambda, IAM, S3, and much more, with thousands of community modules available. registry.terraform.io

Google Cloud and Azure are similarly strong. HashiCorp maintains official Terraform providers for both; the Google provider covers Compute Engine, GKE, Cloud SQL, networking and other GCP services, while Azure's azurerm provider manages Azure Resource Manager resources. registry.terraform.io

For an agency specifically, I'd give Hetzner Cloud extra consideration. Its Terraform provider is a mature partner provider, and there are substantial Terraform modules around Kubernetes/Talos deployments. registry.terraform.io

DigitalOcean is another particularly pleasant agency option: its Terraform provider is straightforward, has a meaningful module ecosystem, and covers the resources you'd expect for conventional web applications. registry.terraform.ioregistry.terraform.ioregistry.terraform.io

If I were choosing for an agency

I'd probably use a three-tier strategy:

• AWS — default for demanding/enterprise projects
• Hetzner — default for cost-sensitive infrastructure where AWS's breadth isn't needed
• DigitalOcean — default for simpler client applications where developer/operator simplicity matters

Then keep GCP and Azure in your toolkit when a client's requirements point there rather than forcing everything onto one provider.

One particularly important distinction: "has a Terraform provider" isn't enough. I'd evaluate providers on the quality of their provider, resource coverage, import/state behavior, API stability, documentation, modules, and how well they work with your preferred CI/CD system. The Terraform Registry currently distinguishes official HashiCorp providers from partner/community providers, which is useful when assessing that ecosystem maturity. registry.terraform.io

If you tell me your typical agency workload—e.g. WordPress/sites, SaaS apps, Kubernetes, serverless, client-managed environments—I can rank these specifically for your use case, including Terraform vs OpenTofu vs Pulumi.

For a digital agency that prioritizes Infrastructure as Code (IaC), the strongest cloud compute providers are usually the ones with mature Terraform/OpenTofu support, broad API coverage, reliable state management patterns, and good CI/CD integration.

Here are the major options:

Best fits by agency use case

Multi-client agency / enterprise projects

• Amazon Web Services
• Microsoft Azure
• Google Cloud

These give you the widest range of managed services, compliance options, and reusable Terraform modules.

Lean agency building websites, SaaS, and MVP infrastructure

• DigitalOcean
• Hetzner
• Vultr

They are easier to standardize across many smaller client environments.

Kubernetes/platform engineering focus

• Google Cloud (strong Kubernetes ecosystem)
• Amazon Web Services (EKS ecosystem)
• Microsoft Azure (AKS ecosystem)

IaC tooling maturity to look for

A provider is a good agency choice if it supports:

• Terraform/OpenTofu providers with broad resource coverage
• Remote state storage and locking
• Policy as code (OPA, Sentinel, Azure Policy, AWS Config, etc.)
• Secrets management integrations
• CI/CD workflows through GitHub Actions, GitLab CI, Jenkins, or similar
• Reusable modules for repeatable client deployments

A common agency stack today would be:

• Terraform/OpenTofu → infrastructure definitions
• GitHub/GitLab → version control
• CI/CD pipeline → plan/apply automation
• Kubernetes or managed containers → application runtime
• Ansible/Packer → server configuration where needed
• Cloud-native monitoring → observability

For most digital agencies, a practical default is:

1. AWS + Terraform/OpenTofu for maximum flexibility,
2. Azure + Terraform/Bicep if clients are Microsoft-oriented,
3. DigitalOcean/Hetzner + Terraform for cost-sensitive repeatable deployments.

If your agency prioritizes infrastructure as code (IaC), I’d evaluate providers primarily on the quality of their Terraform/Pulumi providers, API coverage, state/workflow tooling, and ecosystem maturity.

My shortlist for an agency

1. AWS — safest general-purpose choice.
Terraform has an official AWS provider, and AWS is one of Terraform's featured providers. The combination of Terraform modules, CI/CD integrations, extensive APIs, and mature ecosystem makes it particularly suitable when you're building repeatable infrastructure across many clients. docs.hashicorp.comregistry.terraform.io

2. Google Cloud — excellent IaC experience.
Google explicitly supports Terraform, Pulumi, CDK for Terraform, Config Connector, Crossplane, and Ansible. That breadth is attractive if your agency has teams with different infrastructure-as-code preferences. docs.cloud.google.com

3. Azure — particularly strong for enterprise clients.
Azure has mature Terraform support through AzureRM, plus AzAPI for resources exposed through newer Azure Resource Manager APIs. Terraform can cover VMs, networking, storage, identity, Azure DevOps, and broader platform configuration. learn.microsoft.com

4. DigitalOcean — compelling for simpler deployments.
DigitalOcean provides a Terraform provider covering Droplets, databases, load balancers, networking, etc. It's considerably simpler operationally than the hyperscalers, while retaining a good declarative workflow. www.digitalocean.com

If you're standardizing your agency

I'd probably make Terraform the baseline, rather than choosing a provider based on a proprietary IaC system. Terraform's provider model lets you use the same workflow across multiple clouds, and the registry has official AWS, Azure and Google Cloud providers. registry.terraform.io

Then choose the cloud based on the client's workload:

• AWS → broadest range of services and maximum flexibility
• GCP → cloud-native/Kubernetes/data/AI-oriented projects
• Azure → Microsoft/enterprise environments
• DigitalOcean → uncomplicated agency websites, SaaS apps, APIs, staging environments
• Hetzner → when raw compute economics matter more than managed-service breadth

If you're considering Terraform vs Pulumi as your agency-wide standard, that's a slightly different—and worthwhile—comparison: Pulumi is particularly attractive if your engineers prefer TypeScript/Python/Go/C# over HCL. AWS's own guidance describes Pulumi as supporting those languages and more than 50 cloud/SaaS providers. docs.aws.amazon.com

Yes. If Infrastructure as Code is a core agency value, I’d prioritize providers based on the quality of their Terraform/OpenTofu/Pulumi integrations, not just raw compute pricing.

The strongest choices

AWS is the safest choice if you want an agency-wide standard. Terraform has mature AWS support, and you can model essentially the entire stack—from networking and IAM through compute, databases, Kubernetes, and managed services. The downside is complexity: AWS gives you an enormous amount of infrastructure to manage.

Google Cloud is particularly attractive if your agency builds Kubernetes-heavy or data/AI workloads. It also works well with both Terraform and Pulumi, so you aren't locking your team into one IaC paradigm.

Azure is similarly strong, especially if your clients live in the Microsoft ecosystem. Terraform and Pulumi both have mature Azure integrations.

The interesting agency choice: DigitalOcean

For a digital agency building relatively conventional sites, APIs, SaaS applications, and client infrastructure, DigitalOcean is worth serious consideration. Its official Terraform provider covers Droplets, networking, load balancers, databases, Kubernetes, projects, etc. docs.digitalocean.com

It also supports using Spaces as a Terraform remote-state backend, which is useful if you're standardizing Terraform workflows across client projects. docs.digitalocean.com

The big advantage is less infrastructure ceremony. Your Terraform can stay relatively small and comprehensible, which matters when you're maintaining dozens of client environments rather than one enormous internal platform.

Vultr

Vultr has an official Terraform provider covering compute and other infrastructure, with the provider directly provisioning resources such as cloud instances. docs.vultr.com

I'd consider it when price/performance and geographic availability matter more than having the enormous managed-service catalog of AWS/GCP/Azure.

If you're standardizing your agency

I'd probably use one of these strategies:

Simple agency stack

Terraform/OpenTofu → DigitalOcean → Cloudflare

Great for marketing sites, ecommerce, WordPress, typical web apps, APIs, and smaller SaaS deployments.

Enterprise-capable stack

Terraform/OpenTofu → AWS

Best if you expect clients to need increasingly sophisticated networking, IAM, databases, Kubernetes, queues, serverless, etc.

Developer-centric stack

Pulumi → AWS/GCP/Azure

Pulumi supports major clouds including AWS, Azure, Google Cloud and Kubernetes, and lets teams express infrastructure using languages such as TypeScript, Python, Go and C#. info.pulumi.com

One important distinction: Terraform/OpenTofu vs. Pulumi is separate from the cloud-provider choice. You can use the same provider with different IaC approaches. For an agency, I'd generally favor Terraform/OpenTofu if infrastructure engineers are the primary audience, and Pulumi if your application developers are going to own substantial infrastructure code.

If you tell me whether your typical projects are WordPress/marketing sites, SaaS apps, ecommerce, or custom web apps, I can narrow this down to a 2–3 provider shortlist with cost, Terraform maturity, Kubernetes, managed databases, CI/CD, and multi-client management compared.

Yes. If infrastructure-as-code is a core agency value, I’d prioritize providers with mature Terraform/OpenTofu and Pulumi integrations, good APIs, and predictable resource models.

My shortlist for an agency

1. AWS — safest default

AWS has a mature, first-party Terraform provider and strong Pulumi support. Pulumi specifically recommends its AWS provider as the primary option and notes coverage across 200+ AWS service namespaces. www.pulumi.com

The advantage for an agency isn't just compute: you can standardize VPCs, EC2, ECS/EKS, RDS, S3, CloudFront, IAM, etc. behind reusable modules and deploy essentially the same patterns across clients.

2. Google Cloud — excellent IaC experience

Google explicitly recommends Terraform for managing GCP infrastructure, and its ecosystem has strong integration with both Terraform and Pulumi. docs.cloud.google.com

I'd particularly consider it if your agency does Kubernetes, container platforms, data engineering, or AI workloads.

3. Azure — strong choice for enterprise clients

Azure has an official Terraform provider and Microsoft documents both Terraform and Pulumi as supported IaC approaches. learn.microsoft.com

It's especially compelling if your clients already live in Microsoft 365/Entra ID/Azure DevOps.

4. DigitalOcean — surprisingly good agency option

If you mostly deploy conventional web applications, DigitalOcean can be much simpler than a hyperscaler while still fitting an IaC workflow. DigitalOcean explicitly supports Terraform and documents its Terraform provider. www.digitalocean.com

That's attractive for an agency because you can have a reusable stack such as:

VPC → VM/Kubernetes → load balancer → managed DB → DNS → monitoring

without exposing clients to the enormous surface area of AWS.

5. Hetzner — worth considering for cost-sensitive workloads

For straightforward VMs, Kubernetes, and infrastructure where raw compute economics matter, Hetzner is interesting. The tradeoff is that its ecosystem and managed-service breadth aren't remotely comparable to AWS/GCP/Azure.

One important IaC consideration

If your agency wants to avoid locking itself into Terraform specifically, OpenTofu is worth evaluating alongside Terraform. OpenTofu uses providers to interact with cloud platforms and maintains a public registry containing providers for major clouds and thousands of other services. opentofu.org

Pulumi is another strong option if your developers prefer TypeScript, Python, Go, C#, Java, etc. Its provider model can even consume existing Terraform providers, which gives it considerable breadth. www.pulumi.com

For a digital agency, my practical stack would be:

• Default cloud: AWS
• Cloud-native / Kubernetes / AI: GCP
• Microsoft enterprise: Azure
• Simple/low-cost client sites: DigitalOcean or Hetzner
• IaC standard: Terraform or OpenTofu
• Alternative if your team prefers real programming languages: Pulumi
• CI/CD: GitHub/GitLab + plan/preview on PR + apply after merge

The key is that the IaC tooling should be the abstraction layer, not the cloud provider. That lets you maintain reusable agency modules and move a client between providers without completely reinventing your deployment process. AWS itself recommends Terraform when multi-provider or hybrid infrastructure is important, while its native CloudFormation/CDK options make more sense for AWS-only environments. docs.aws.amazon.com

For a digital agency that prioritizes Infrastructure as Code (IaC), the best cloud compute providers are usually the ones with mature APIs, strong Terraform/OpenTofu support, good Kubernetes integrations, and broad automation coverage.

Here are the strongest options:

Best fits for a digital agency

1. Multi-client agency delivering many projects

• AWS + Terraform/OpenTofu is the most common enterprise pattern.
• Strong for reusable modules, landing zones, client isolation, and managed services.
• Huge hiring and tooling ecosystem.

2. Agency focused on web apps, SaaS, and startups

• Google Cloud + Terraform or DigitalOcean + Terraform can provide a simpler developer experience.
• Good fit for containerized applications and CI/CD-driven deployments.

3. Agency building standardized client platforms
A common stack:

• Terraform/OpenTofu → infrastructure provisioning
• Ansible → server configuration
• Kubernetes → workload orchestration
• GitHub Actions/GitLab CI → deployment automation
• Vault/Secrets Manager → secrets management
• Policy as Code (OPA, Sentinel, Kyverno) → governance

IaC ecosystem compatibility snapshot

For a digital agency, a strong default choice would be:

• Enterprise clients: AWS + Terraform/OpenTofu + Kubernetes
• Startup/SaaS clients: Google Cloud + Terraform/OpenTofu + managed Kubernetes
• Cost-sensitive builds: DigitalOcean or Hetzner + Terraform + Ansible
• Edge-heavy applications: Cloudflare + Terraform/Pulumi

The biggest differentiator is usually not raw compute capability, but how consistently you can create repeatable client environments from version-controlled infrastructure code.

If your agency prioritizes Infrastructure as Code (IaC), I’d evaluate cloud compute providers primarily on the quality of their Terraform/OpenTofu/Pulumi ecosystem—not just raw VM pricing.

Strongest choices

Terraform has first-class provider support for AWS, Azure and Google Cloud, and its Registry is specifically designed around providers that expose cloud APIs as declarative resources. developer.hashicorp.com

AWS / Azure / GCP are the safest choices if you're building reusable agency infrastructure modules. They have mature providers, extensive resource coverage, huge module ecosystems, and strong integration with CI/CD and policy tooling.

Hetzner is particularly interesting for an agency. Its Terraform provider is actively maintained and has a substantial ecosystem of community modules—including Kubernetes/Talos modules. registry.terraform.io It's a very good combination of low infrastructure cost + declarative provisioning, although it doesn't offer anything close to AWS's breadth of managed services.

DigitalOcean is another excellent agency-oriented option: its Terraform provider is actively maintained, with a large number of published modules and straightforward resources for droplets, networking, Kubernetes, databases, etc. registry.terraform.io

OVHcloud also has a mature Terraform provider covering public-cloud resources, networking, VPS and related infrastructure. registry.terraform.io

If you use Pulumi

The field gets even broader. Pulumi supports AWS, Azure, Google Cloud, Kubernetes and a large number of other infrastructure providers, while letting your team express IaC in languages such as TypeScript, Python, Go and C#. info.pulumi.com

That makes AWS + Pulumi, GCP + Pulumi, or Azure + Pulumi particularly attractive if your agency wants infrastructure to feel like normal software engineering rather than HCL-heavy configuration.

My agency-oriented shortlist

I'd narrow it to:

1. AWS — best default when clients have sophisticated requirements.
2. GCP — excellent cloud-native/Kubernetes choice.
3. Hetzner — excellent low-cost compute platform for standardized workloads.
4. DigitalOcean — excellent for straightforward client applications and smaller teams.
5. Azure — choose when the client's ecosystem is already Microsoft-heavy.
6. OVHcloud — worth considering when price and European infrastructure matter.

A particularly effective agency model is to standardize on Terraform/OpenTofu + Git + CI/CD, then maintain your own reusable modules for networking, compute, Kubernetes, monitoring, backups, and DNS. That lets you swap the underlying provider without changing your overall delivery methodology.

If your agency prioritizes Infrastructure as Code (IaC), I’d focus less on raw compute pricing and more on the quality of the provider ecosystem, modules, state management, and automation support.

Strongest options

The big three—AWS, Azure, and GCP—are particularly strong because tools such as Terraform/OpenTofu and Pulumi have mature provider ecosystems. OpenTofu, for example, explicitly supports AWS, Azure, GCP, Kubernetes and many other platforms through providers. opentofu.org

For an agency, I'd shortlist these

1. AWS — best overall

If you're building infrastructure for many different clients, AWS gives you the most flexibility: EC2, ECS, EKS, Lambda, RDS, networking, CDN, IAM, etc. Its Terraform/OpenTofu ecosystem is exceptionally mature.

It's the choice I'd make if you want a reusable internal library of modules such as:

network → compute → database → CDN → DNS → monitoring

2. Google Cloud — best developer/cloud-native option

I'd strongly consider GCP if your agency does a lot of Kubernetes, containerized applications, data/AI workloads, or modern web platforms. It also works cleanly with Terraform/OpenTofu and Pulumi.

3. Azure — best for Microsoft-heavy clients

Azure becomes particularly compelling if your clients already use Microsoft 365, Entra ID, Windows Server, SQL Server, .NET, or Microsoft enterprise tooling.

4. DigitalOcean — best "agency-friendly" VPS option

For relatively conventional client sites/apps, DigitalOcean can be attractive because the infrastructure is considerably simpler than AWS. You can still keep the entire environment declarative rather than clicking around in a dashboard.

5. Hetzner — best cost/IaC combination

If you're comfortable managing more of the infrastructure yourself, Hetzner is worth evaluating. It's especially interesting for workloads where you need predictable virtual machines rather than a huge collection of managed cloud services.

Don't overlook Pulumi vs. Terraform/OpenTofu

For an agency, I'd actually make the IaC abstraction layer a first-class architectural decision.

• Terraform/OpenTofu: HCL, enormous ecosystem, very easy to standardize across clients.
• Pulumi: lets your team use TypeScript, Python, Go, C#, etc., which can be attractive if you're already a software-development-heavy agency. Pulumi supports AWS, Azure, GCP, Kubernetes and many other providers. info.pulumi.com
• OpenTofu: particularly interesting if you want a Terraform-compatible, open-source IaC foundation. It maintains a broad provider/module ecosystem and supports multi-cloud configurations. opentofu.orgopentofu.org

My agency-oriented recommendation

I'd probably standardize around:

OpenTofu/Terraform + AWS as the default, with GCP/Azure available when client requirements justify them, and use DigitalOcean/Hetzner for deliberately simple or cost-sensitive deployments.

That gives you a consistent workflow while retaining the ability to deploy across clouds. OpenTofu specifically supports multiple provider configurations and cross-cloud dependencies, which is useful for building reusable agency modules. opentofu.orgopentofu.org

If you tell me the kinds of workloads you typically deploy (WordPress, Laravel, Next.js, Rails, containers, Kubernetes, SaaS, etc.), I can rank AWS vs GCP vs Azure vs DigitalOcean vs Hetzner specifically for an agency operating model, including pricing, IaC maturity, managed services, and operational overhead.

For a digital agency that prioritizes Infrastructure as Code (IaC), the strongest cloud compute providers are generally the ones with mature APIs, first-class Terraform support, strong Kubernetes integrations, and good automation coverage.

Best fits for an agency workflow

1. AWS + Terraform/OpenTofu

• Best when you support many clients with different architectures.
• Massive ecosystem for reusable modules, IAM patterns, networking, containers, and managed services.
• Good fit for building internal platform templates.

Typical stack:

• Terraform/OpenTofu → infrastructure
• Packer → machine images
• Ansible → configuration
• GitHub Actions/GitLab CI → deployment pipelines
• Kubernetes/EKS → container platforms

2. Google Cloud + Terraform

• Excellent if your agency does Kubernetes, data platforms, AI workloads, or cloud-native builds.
• GKE is often considered one of the easiest managed Kubernetes platforms to automate.

3. Azure + Terraform/Bicep

• Strong choice for clients already invested in Microsoft ecosystems.
• Good for enterprise customers with Entra ID, Windows workloads, .NET, and hybrid environments.

4. DigitalOcean / Hetzner / Vultr + Terraform

• Great for agencies managing:
  • marketing sites
  • WordPress/headless CMS
  • small SaaS apps
  • staging environments
  • client portals
• Lower complexity than hyperscalers while still supporting repeatable deployments.

IaC tools worth standardizing around

• HashiCorp Terraform — broadest provider ecosystem and common industry choice
• OpenTofu — Terraform-compatible alternative with an open-source governance model
• Pulumi — useful if your team prefers TypeScript, Python, Go, or C#
• Ansible — good complement for server configuration
• Kubernetes — often the target runtime for automated infrastructure

A practical agency standardization approach

A common setup for a multi-client digital agency:

• Default cloud: AWS or Google Cloud
• Budget-sensitive projects: DigitalOcean, Hetzner, or Vultr
• IaC: Terraform/OpenTofu modules stored in Git
• Secrets: Vault, cloud secret managers, or SOPS
• CI/CD: GitHub Actions or GitLab CI
• Environment model: dev → staging → production with separate accounts/projects
• Documentation: infrastructure diagrams generated from code

For an agency, the biggest differentiator is usually not the cloud provider—it is having reusable IaC modules, opinionated templates, and a repeatable onboarding process for new client environments.