AWS vs Azure vs GCP: Best Cloud for SMBs in 2026

Short answer: pick Azure if your business runs on Microsoft 365, because your users and licences already live in Microsoft Entra ID. Pick AWS if you build or host your own software and want the widest service choice and hiring pool. Pick Google Cloud if you use Google Workspace or your main workload is analytics or AI. All three sign a HIPAA BAA. The cloud your team can actually run matters more than the brand.

The rest of this guide shows how we get to that answer, with sources for every number. It's written for a 10–200 person company, often one without an in-house IT team, choosing a primary cloud in 2026.

The three clouds at a glance

All three are mature, and the gap between them is narrower than the marketing suggests. In Q2 2026, Amazon held 28% of worldwide cloud infrastructure spending, Microsoft 20% and Google 15%, in a quarter worth $143.4 billion (Synergy Research Group, July 30, 2026). Market share tells you about ecosystem size and hiring. It doesn't tell you which cloud suits your business.

Free-credit and support prices change often. Check the linked pages before you budget.

How to choose: a five-question framework

Most SMBs don't need a feature-by-feature scorecard. Five questions settle it for nearly everyone, and they're listed roughly in order of weight.

1. Where do your users and email already live?

This is the biggest single factor for a business without an IT team. If you run Microsoft 365, your staff already sign in through Microsoft Entra ID, with MFA, Conditional Access and device management. Microsoft's own docs note that every Microsoft 365 subscriber is already using Entra ID. Azure uses that same identity, so access to cloud resources is managed with the same accounts, groups and offboarding process you already have.

AWS and Google Cloud both federate with Entra ID or Google Workspace through SAML/OIDC single sign-on. It works well, but it's one more integration to set up, monitor and audit. For a Google Workspace business, Google Cloud is the native fit in the same way.

2. What are you actually running?

• Windows servers, SQL Server, a line-of-business app from a vendor: Azure, mostly because of licensing (see Azure Hybrid Benefit below).
• Your own web app, SaaS product or ecommerce stack: AWS is the default for most teams because of its service breadth, the documentation and the number of engineers who know it. Azure and GCP are both credible here too.
• Analytics, reporting on large datasets, or AI features built on your data: Google Cloud's BigQuery and Vertex AI are strong reasons to choose it, or to add it later for that one workload.

3. Who will operate it?

A cloud your team or provider knows well will be cheaper and safer than a "better" cloud nobody understands. If you plan to hire, AWS has the largest talent pool, which follows from it being the market leader. If you plan to outsource, ask the provider which cloud they run most environments on, and get references.

4. Do you have a compliance requirement?

HIPAA, SOC 2, PCI DSS and similar frameworks are supported on all three. The provider signs a BAA or provides audit reports. You still configure the controls. Compliance rarely decides the provider for an SMB, but it does limit which services you can use (see the compliance section).

5. Where are your customers?

If you have data-residency requirements, such as EU customers or a specific country, check that the provider has a region there for every service you need. Regional service availability differs more than headline region counts suggest.

Cost considerations

List prices for comparable virtual machines and storage are close enough that they rarely decide the choice. What moves the bill is how you buy, how much data leaves the cloud, and whether anyone watches the spend.

Pay-as-you-go is the most expensive way to run a steady workload

Each provider rewards commitment differently:

• AWS: Savings Plans and Reserved Instances. You commit to a set hourly spend (Savings Plans) or a specific instance configuration (Reserved Instances) for one or three years. Compute Savings Plans are the flexible option because they follow you across instance families, regions, Fargate and Lambda. The discount grows with the term and how much you pay up front.
• Azure: Reservations and Azure Hybrid Benefit. Microsoft quotes savings of up to 72% versus pay-as-you-go for one- or three-year Reserved VM Instances (the best case, for a specific VM, region and OS). Azure Hybrid Benefit lets you apply existing Windows Server and SQL Server licences with Software Assurance to Azure. Combined with reservations, Microsoft cites savings of up to 80% for Windows Server. If you already own those licences, this is often the biggest single cost argument for Azure.
• Google Cloud: Sustained Use Discounts and Committed Use Discounts. Sustained Use Discounts apply automatically, with no commitment, when eligible VMs run for a large part of the month: up to 30% on some machine families, 20% on others such as N2 and N2D. Committed Use Discounts work like reservations, with one- or three-year terms in resource-based or spend-based form.

All headline "up to" percentages are best cases. Your real saving depends on how steady your workload is. Commit only to the baseline you're confident you'll still be running in a year.

Egress: the line item SMBs underestimate

Moving data into any of the three clouds is free. Moving it out to the internet is billed per GB after a small allowance. AWS includes 100 GB a month of free data transfer out, aggregated across services and regions, and Azure includes the first 100 GB a month of internet egress. Google Cloud bills egress by destination and network tier. Check the network pricing page for your case.

Most office workloads come nowhere near those limits. Egress starts to matter for video, large file downloads, backups replicated to another cloud, and multicloud designs where data crosses providers every day.

The costs that don't show up in a comparison table

• Idle resources. Forgotten test environments, unattached disks and oversized databases are the most common waste we find in every cloud. We list the AWS-specific ones in 5 AWS cost mistakes SMBs make, with a line-by-line AWS cost audit checklist for finding them, and the Azure ones in our Azure cost optimization guide.
• People. The hours spent patching, monitoring and answering alerts usually cost more than the infrastructure for a small business.
• Support. Covered next, and easy to skip until the day you need it.

Support tiers: what $29 a month gets you

Free "basic" support on all three clouds covers billing and account questions, documentation and community forums. It doesn't include technical help from an engineer. For production workloads, budget for a paid plan.

Two things to know. First, percentage-of-spend plans grow with your bill. At $5,000 a month of AWS spend, Business Support+ costs about $450 a month, not $29. Second, provider support fixes the provider's problems. It won't redesign your network, tune your costs or respond to your 3 a.m. alert. That's the gap a managed service provider or an in-house engineer fills.

Compliance: all three can do it, none do it for you

Every major framework a US SMB is likely to need, including HIPAA, SOC 2, PCI DSS and ISO 27001, is covered by all three providers' audit programmes. You download their reports from AWS Artifact, the Microsoft Service Trust Portal or the Google Cloud Compliance Reports Manager. What differs is the process:

• HIPAA BAA. AWS customers accept the BAA in AWS Artifact. Microsoft includes the BAA by default in its Product Terms, so there's no separate contract to sign. Google Cloud customers review and accept the BAA through the console.
• Eligible services. A BAA only covers the provider's listed in-scope services. AWS states plainly that PHI should only be processed in HIPAA-eligible services. The same principle applies on Azure and Google Cloud.
• Shared responsibility. Encryption, access control, logging, backups and audit evidence remain your job on every cloud.

If you handle health data, the HIPAA decision deserves its own analysis. We cover it in two places: AWS vs GCP vs Azure for HIPAA compares BAAs, eligible services and costs for healthcare workloads, and our AWS vs GCP for HIPAA healthcare SaaS guide goes deeper on the two clouds most healthcare software companies shortlist.

When multicloud makes sense (and when it doesn't)

For most SMBs, the right number of primary clouds is one. Every extra cloud adds a second identity system, a second bill, a second set of security tools and a second skill set to maintain.

Multicloud is worth it when there's a concrete reason:

• A best-of-breed service that you can't reasonably replace, such as BigQuery for analytics while your apps stay on AWS.
• An acquisition that brought a second cloud you can't migrate yet.
• A customer or regulatory requirement for data residency or provider redundancy.

It's rarely worth it as a hedge against lock-in or to chase small price differences. The operating overhead usually outweighs the savings. If you're already split across two clouds, read Multicloud without the mess for how to run AWS and Google Cloud together without IAM sprawl or blind spots in billing.

Note the difference between "multicloud" and using SaaS from several vendors. Running Microsoft 365 for email while hosting your app on AWS is completely normal, and it isn't the operational burden described above.

Frequently asked questions

Which cloud provider is best for a small business? There's no single winner. For a business that runs Microsoft 365, Azure is usually the simplest choice because identity, licensing and billing are already Microsoft. For a company building its own software, AWS is the common default thanks to its breadth and talent pool. For Google Workspace users or data- and AI-heavy work, Google Cloud is a strong fit.

Is Azure cheaper than AWS? Sometimes, and mainly when you already own Windows Server or SQL Server licences with Software Assurance. Azure Hybrid Benefit lets you reuse them, and Microsoft cites savings of up to 80% on Windows Server VMs when combined with reservations. For Linux workloads, list prices are close, and your commitment discounts and cleanup habits matter more than the provider.

Is Google Cloud a good choice for a small business? Yes, particularly for Google Workspace organisations and teams focused on analytics or AI. It also offers automatic Sustained Use Discounts with no commitment, and the largest new-account credit of the three ($300 over 90 days). The trade-off is a smaller pool of local engineers and partners than AWS or Azure.

Can I switch cloud providers later? Yes, but plan for it to take real time and money: data egress fees, re-testing, and rewriting anything that depends on provider-specific services. Using infrastructure as code, containers and standard databases keeps that cost down. If you're moving now, our cloud migration service covers the plan, the cutover and the security checks.

Do I need an IT team to run a cloud environment? Not necessarily, but someone has to own security, backups, patching, cost and monitoring. Many SMBs without IT staff use a managed service provider for that work. Others hire one engineer and add specialist help for audits and incidents.

---

Next step

If you're choosing a cloud for the first time, start from the five questions above and you'll usually have a clear answer in an afternoon. If you're already on one (or two) and unsure whether the setup, spend or security posture is right, a fixed-price Cloud Audit Sprint gives you a prioritised list of findings across AWS, Azure or Google Cloud.

PlatOps also manages cloud infrastructure end to end for SMBs, on whichever provider fits your business, so you get 24/7 operations without hiring a team. Book a strategy call to talk it through.

Free resource: Cloud Migration Security Checklist: IAM, encryption, network segmentation and post-migration validation. Free download.