Best Business Email Hosting: Google, Microsoft, Zoho

Your email address is the first thing a client sees, and the platform behind it quietly shapes how your team stores files, runs meetings, and keeps data secure. Three names dominate the shortlist for professional custom-domain email: Google Workspace, Microsoft 365, and Zoho. They price and package their services very differently, so the "best business email hosting" for a five-person studio is rarely the right fit for a 200-seat company. Here's how they stack up on cost, storage, features, and the kind of business each one suits.

Pricing at a glance

Price is where these three separate most sharply.

Google Workspace runs four business tiers. Business Starter costs USD 8.40 per user per month billed monthly, or USD 7.00 billed annually; Business Standard is USD 16.80 monthly or USD 14.00 annually. The top business tier, Business Plus, sits higher still — Business Plus moved from $21.60 to $26.40 per user monthly on flexible plans. One thing to note: in 2025, Google increased its prices for all plans—driven by the addition of Gemini AI features—but still offers a discount on yearly plans.

Microsoft 365 undercuts Google at the entry level. Microsoft 365 Business Basic ($6 per user per month) is cloud-only email and web apps. Standard ($12.50) adds the desktop Office apps most teams want. Premium ($22) adds the same apps plus advanced security and device management. Those are annual-commitment rates; billed monthly, the cost is higher. Microsoft's business pricing page currently lists Business Standard at $12.50 per user/month with annual billing and $15.00 per user/month with monthly billing. It lists Business Premium at $22.00 per user/month with annual billing and $26.40 per user/month with monthly billing.

Zoho is the budget leader by a wide margin, and it's the only one of the three with a genuine free tier. If you are a small business or team with five users or less and limited needs, you can opt for the free custom email address plan, which includes 5GB for each user and email hosting for a single domain. Paid mail plans start low: Mail Lite (5 GB) is $1/user/month billed annually, Mail Premium is $4/user/month, Workplace Standard is $4/user/month, and Workplace Professional is $7/user/month. If you want the fuller productivity suite, the Professional plan gives users 100 GB of mail storage per user and 100 GB of shared WorkDrive storage.

The takeaway: for pure branded email on a tight budget, Zoho is in a class of its own. Google and Microsoft charge more because you're buying a whole productivity ecosystem, not just an inbox.

Storage: mailbox size vs pooled space

Storage models differ in ways that matter more than the headline numbers suggest.

Google uses pooled storage that Gmail, Drive, and Photos all draw from. Business Starter includes 30 GB pooled storage per user, Business Standard includes 2 TB, and Business Plus and Enterprise Plus include 5 TB. Because it's pooled, a heavy user can borrow unused space from lighter colleagues as long as the organization total holds.

Microsoft separates the mailbox from file storage. The email box has historically been capped per user — by default, Microsoft 365 Business Basic, Standard, and Premium plans include a mailbox size of 50GB — though that ceiling is rising. Microsoft has increased the mailbox storage for eligible Microsoft 365 Business Basic, Business Standard, and Business Premium licenses from 50 GB to 100 GB. File storage is separate, with 1 TB of OneDrive space on the business plans. Unlike Google, Microsoft does not offer pooled mailbox storage similar to Gmail, so each mailbox lives within its own limit.

Zoho scales storage by plan and keeps mail separate from file storage. The free and Lite tiers are modest at 5 GB per user, while the higher Workplace plans move into tens or hundreds of gigabytes of mail storage plus shared WorkDrive space, as the Professional numbers above show.

For most email-first teams, 30 GB (Google Starter) or 50–100 GB (Microsoft) per person is plenty. Zoho's smaller free/Lite allotments are fine for lean inboxes but fill faster if your team lives in large attachments.

Features beyond the inbox

All three deliver reliable custom-domain email, spam filtering, calendars, and mobile apps. The differences show up in what surrounds the inbox.

Google Workspace is the strongest pick if your team already lives in Gmail, Docs, Sheets, and Meet. Google Workspace is the bundle of Google apps your team likely uses every day: Gmail, Drive, Meet, Calendar, Docs, Sheets, Slides, and the rest. Real-time collaborative editing is its signature strength, and the recent Gemini AI additions are now baked into the business plans.

Microsoft 365 wins for organizations tied to desktop Office and Windows device management. The tier you pick changes what you get: Basic is web and mobile only, Standard unlocks the installed desktop apps, and Premium layers on security and endpoint management. The jump to Premium is a security upgrade, not a productivity one, so choose it when protecting your data matters as much as using it. For teams already standardized on Outlook, Word, Excel, and Teams, it's the natural home. If credential security is high on your list, it also pairs well with a dedicated business password manager.

Zoho focuses on clean, private, no-nonsense email. Zoho Mail offers the only free custom-domain business email plan (up to 5 users), $1/user/month paid tiers, no email scanning for ads, and SOC2/HIPAA certification. Its higher tiers add serious admin tooling — Mail Premium adds archival, eDiscovery, and email backup — and the Workplace plans bundle Zoho's own docs, sheets, and chat apps for teams that want an all-in-one at a fraction of the price.

Free plans and entry barriers

This is a clear divide. Google Workspace and Microsoft 365 have no permanent free business tier — you pay per seat from day one, though annual commitments cut the rate. Zoho is the exception. Zoho Mail's Forever Free Plan is a no-cost email hosting service aimed at small businesses and solo users: email hosting for a single custom domain, up to five users, 5GB of storage per user, and a 25MB attachment limit. The trade-off is web-only access on the free tier, so no IMAP/POP in your desktop client until you upgrade.

Scaling limits

If you expect fast growth, note the ceilings. Google's mainstream business tiers aren't unlimited in seats: Starter, Standard, and Plus plans can be purchased for a maximum of 300 users, while there is no minimum or maximum user limit for Enterprise plans. Microsoft and Zoho both offer enterprise tiers designed to carry large headcounts, so past a few hundred users all three push you toward their top-end plans regardless.

Which one should you choose?

Choose Zoho if branded email on a budget is the priority. The free tier for up to five users and the $1–$7 paid range make it unbeatable for solo founders, small teams, and privacy-conscious businesses that don't need Google's or Microsoft's full ecosystem.

Choose Google Workspace if your team collaborates constantly in shared documents and prefers a browser-first workflow. Its pooled storage and real-time editing are the best in the group, and the built-in AI features add value if you'll actually use them.

Choose Microsoft 365 if you depend on desktop Office apps, Outlook, and Windows device management. Business Basic matches Zoho and Google on price for cloud email, while Standard and Premium give you the installed apps and security controls that Microsoft-centric organizations expect.

There's no single "best" here — only the best fit for how your team actually works. Match the plan to your real storage needs, your appetite for desktop versus browser apps, and your budget, and any of the three will serve you well. For more on the tools that keep a growing company running, browse our Business Tech coverage — including guides to the best CRM for small business and top payroll software picks.