Tech Guide · Cloud
Rent the computer, run the business
What the cloud is, what it costs and how to move and secure your business in it.
Cloud computing for small business means renting software, storage and computing power over the internet instead of buying and maintaining your own servers, and paying for it by the user or by the hour.
If your business uses web-based email, keeps files in an online drive, runs payroll or bookkeeping in a browser or takes payments on a tablet, you already use the cloud. The question is no longer whether to use it, but how to choose the right services, control the monthly bill and keep customer data safe.
The market behind those services is growing fast. In the third quarter of 2026, Amazon Web Services (AWS) sales rose 39% from a year earlier to $46.0 billion, Google Cloud revenue rose 103% to $30.7 billion and Microsoft’s Azure revenue grew 48%, according to each company’s earnings release. Much of that growth comes from AI, which is one more reason small businesses meet the cloud every day.
Cloud revenue in July-September 2026
Sources: Amazon (Oct. 29, 2026) and Alphabet (Oct. 28, 2026) quarterly results, in billions of U.S. dollars. Microsoft reports Azure growth (48%) but not Azure revenue in dollars; its broader Microsoft Cloud revenue was $63.9 billion.
What cloud computing means: the official definition
The National Institute of Standards and Technology (NIST) wrote the definition most of the industry still uses, in Special Publication 800-145 (2011): cloud computing is a model for on-demand network access to a shared pool of configurable computing resources that can be provided and released quickly with minimal management effort. NIST lists five essential characteristics:
- On-demand self-service: you add storage or users yourself, without calling the provider.
- Broad network access: it works over the internet from phones, laptops and tablets.
- Resource pooling: the provider serves many customers from shared hardware.
- Rapid elasticity: capacity grows or shrinks with demand, such as a holiday rush.
- Measured service: usage is metered, so you pay for what you use.
SaaS, PaaS and IaaS: the three service models
NIST names three service models. Most small businesses live almost entirely in the first one.
Cloud service models in plain English
| Model | What you rent | Small business examples |
|---|---|---|
| Software as a Service (SaaS) | Finished apps you use in a browser or app | Business email, online file storage, accounting, payroll, point of sale, scheduling, CRM |
| Platform as a Service (PaaS) | A place to build and run your own apps without managing servers | A custom ordering app or customer portal built by a developer |
| Infrastructure as a Service (IaaS) | Raw computing: virtual servers, storage and networks | Hosting a large website or database, backups, AI workloads |
NIST also defines four deployment models: public cloud (open to the general public, the kind most small firms use), private cloud (for one organization), community cloud (shared by a group with common needs) and hybrid cloud (two or more of these connected).
Why small businesses move to the cloud
- Lower upfront cost: a monthly subscription replaces a server purchase, its software licenses and the closet that keeps it cool.
- Work from anywhere: owners and staff reach the same files and systems from the office, home or a client site.
- Automatic updates: the provider patches the software, which closes security holes faster.
- Easier growth: adding a new hire means adding a user, not buying a computer room.
- Built-in backup and recovery: files survive a stolen laptop, a fire or a flood, when backups are set up correctly.
The trade-offs
- Subscriptions add up. Ten tools at $15 per user for eight people is $1,200 a month.
- You depend on the internet and on the provider’s uptime.
- Security is shared. The provider secures its data centers; you still control passwords, access and settings.
- Switching can be hard. Exporting years of data from one system to another takes planning.
What cloud services cost
Most small business cloud software is priced per user per month. As one public example, Google’s pricing page on Nov. 4, 2026 listed Google Workspace at the following annual-commitment prices, with introductory discounts for new customers:
Google Workspace business plans (Nov. 4, 2026)
| Plan | Price per user a month | Storage per user |
|---|---|---|
| Business Starter | $7 | 30 GB pooled |
| Business Standard | $14 | 2 TB pooled |
| Business Plus | $22 | 5 TB pooled |
| Enterprise | Contact sales | 5 TB, more on request |
Google sells the Starter, Standard and Plus plans for up to 300 users. Microsoft 365, Zoho, Dropbox and others sell similar bundles; compare storage, video meeting limits, security controls and AI features, not just the price line.
Monthly cloud budget for a five-person office (illustrative)
Illustrative example with round numbers, not a quote. Check each vendor’s current price, annual vs. monthly billing and sales tax.
Track these subscriptions in your small business budget and review them every quarter; unused seats are one of the easiest costs to cut.
Security: your half of the job
Cloud providers protect their buildings, hardware and core software. Your business controls who can log in and what they can see, and that is where most losses start. The FBI’s Internet Crime Complaint Center (IC3) received 1,008,597 complaints in 2025 with reported losses of $20.877 billion, a 26% increase from 2024. Business email compromise, in which criminals take over or imitate a business email account to redirect payments, accounted for about $3.05 billion of those losses.
Secure your cloud accounts
- Turn on multi-factor authenticationRequire a second step, such as an authenticator app or security key, for every user, starting with the owner and anyone who handles money.
- Use a password managerUnique, long passwords for every service, shared safely when needed.
- Give the least access neededStaff get only the folders and apps their job requires; remove access the day someone leaves.
- Confirm payment changes by phoneCall a known number before changing any vendor’s bank details, the classic business email compromise trap.
- Back up what mattersCheck that email, files and accounting data are backed up and that you can actually restore them.
- Know your breach dutiesCalifornia law requires notice to residents whose unencrypted personal information was acquired by an unauthorized person, and a sample notice to the Attorney General when more than 500 residents are notified.
How to move your business to the cloud
A simple migration plan
- List what you run todayEmail, files, accounting, payroll, sales, scheduling and any old desktop software.
- Start with email and filesThey give the fastest benefit and the clearest test of the new system.
- Pick tools that talk to each otherCheck that accounting, payments and scheduling connect or export cleanly.
- Move in stagesOne system per month, with a fallback copy of the old data.
- Train the teamA one-hour session on sign-in, sharing and the new security rules.
- Review in 90 daysCut unused seats, fix permissions and document who owns each account.
Register every cloud service under a business email address the owner controls, not a former employee’s or a consultant’s personal account. Keep a list of services, admins and renewal dates in one place.
Cloud spending is also a business expense; see our California small business taxes guide for how deductions fit into the bigger picture. And for the AI tools now built into many cloud suites, read our ChatGPT for small business guide.
Common mistakes
- Skipping multi-factor authentication. A stolen password should not be enough to get in.
- Assuming the provider backs up everything. Read the retention rules and test a restore.
- Letting subscriptions sprawl. Overlapping tools and idle seats quietly raise costs.
- Sharing one login. Shared accounts hide who did what and cannot be cut off cleanly.
- Accounts in personal names. The business should own its domain, email and admin logins.
Key terms
- SaaS: software as a service, finished applications rented by subscription.
- IaaS: infrastructure as a service, rented virtual servers, storage and networks.
- Public cloud: cloud services open to the general public on shared infrastructure.
- Multi-factor authentication (MFA): a login that needs a second proof beyond the password.
- Business email compromise: fraud that uses a hacked or imitated business email account to steal payments or data.
The bottom line: cloud computing for small business trades big upfront purchases for predictable monthly bills and the freedom to work anywhere. It pays off when you choose a few tools that work together, review the bill every quarter and do your half of security: strong logins, limited access, tested backups and a phone call before any payment change.
Free help in the Sacramento region
You do not have to work through these decisions alone. SCORE Sacramento pairs owners with volunteer mentors, many of them retired executives, bankers and accountants, at no cost. The Sacramento Valley Small Business Development Center offers free one-on-one advising on financing, budgeting and financial statements. The SBA’s Sacramento District Office can explain loan programs and connect you with lenders, and community lenders such as California Capital and Opening Doors serve owners who need smaller loans or extra support. Browse our Business Resources and the free business help guide for more.
Key takeaways
- Cloud computing means renting software, storage and computing over the internet (NIST SP 800-145).
- Most small firms use SaaS: email, files, accounting, payroll and point of sale.
- Cloud demand is surging: AWS sales were $46.0 billion in the third quarter of 2026, up 39%.
- Per-user pricing adds up; review seats and subscriptions every quarter.
- Turn on MFA and verify payment changes: business email compromise cost $3.05 billion in 2025.
Frequently asked questions
What is cloud computing in simple terms?
It means using software, storage and computing power over the internet from a provider’s data centers instead of running your own servers, and paying by the user, by the month or by usage.
What are examples of cloud computing for small business?
Web-based email and file storage, online accounting and payroll, point-of-sale systems, appointment scheduling, customer relationship management software and website hosting are all common cloud services.
How much does cloud computing cost a small business?
Most business apps charge per user per month. For example, Google Workspace listed annual-commitment prices of 7, 14 and 22 dollars per user a month for its Starter, Standard and Plus plans on November 4, 2026.
Is the cloud safe for business data?
Major providers secure their data centers, but the business controls logins and access. Multi-factor authentication, a password manager, limited access and tested backups cover most of the risk.
What is the difference between SaaS, PaaS and IaaS?
SaaS is finished software you use, PaaS is a platform to build and run your own apps, and IaaS is raw virtual servers, storage and networking that you manage yourself.
Sources
- NIST Special Publication 800-145: The NIST Definition of Cloud Computing (Mell and Grance, September 2011)
- Amazon.com: Third quarter 2026 results, Oct. 29, 2026 (Form 8-K, Exhibit 99.1)
- Alphabet: Third quarter 2026 results, Oct. 28, 2026 (Form 8-K, Exhibit 99.1)
- Microsoft: First quarter fiscal 2027 results (quarter ended Sept. 30, 2026), Oct. 28, 2026
- Google Workspace: Plans and pricing (viewed Nov. 4, 2026)
- FBI Internet Crime Complaint Center: 2025 IC3 Annual Report
- California Attorney General: Data security breach reporting
Keep reading on Inksight
- Business Credit vs. Personal Credit: What Every Small Business Owner Should Know
- How to Choose a Business Structure in California: Sole Proprietorship, LLC, S Corp or C Corp
- Business Banking 101: How to Choose and Open a Business Bank Account
- Small Business Funding Options: Loans, Grants and Investors
- Business Resources: all guides →
