Microsoft 365 adds a recurring per-user expense; whether it improves an accounting firm’s bottom line depends on which seats and plans it needs, what other services it can actually cancel, and whether staff use the tools to reduce costs or generate billable work. As of July 1, 2026, US list prices with Teams are $7 per user per month for Business Basic, $14 for Business Standard, and $22 for Business Premium. Those figures are a starting point—not a net-savings estimate.
How much does Microsoft 365 cost per user?
Microsoft’s US commercial list prices with Teams, effective July 1, 2026, are shown below. Microsoft says prices may differ by country and currency. Existing customers keep their current pricing until their first renewal after that date; the revised prices apply at renewal and affect both annual and monthly plans. Check the firm’s own renewal date and terms before forecasting spend. Microsoft 365 business plans and pricing Microsoft 365 business pricing FAQ
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| Plan | US list price with Teams | Change effective July 1, 2026 | No-Teams list price |
|---|---|---|---|
| Business Basic | $7 per user/month | Up from $6 (16% increase) | $5.40 per user/month |
| Business Standard | $14 per user/month | Up from $12.50 (12% increase) | $10.79 per user/month |
| Business Premium | $22 per user/month | No change listed in this update | $18.79 per user/month |
These are list prices, not a quote for a specific firm. A no-Teams plan may reduce the per-user cost, but confirm that its collaboration features meet the firm’s needs and that its local pricing and terms match. Plan features vary; Microsoft describes Business Basic as including web and mobile Word, Excel, PowerPoint and Outlook, branded email, Teams, 1 TB of cloud storage per user, and additional business apps. Check the current plan details for the capabilities the firm requires. Microsoft 365 business plans and pricing
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How to build a realistic cost model
Do not multiply one plan’s price by every employee unless every employee needs that plan. Build the estimate from assigned seats, plan mix, contract terms, and the timing of renewals. Keep optional products separate from the base suite.
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- The Microsoft Office 365 Bible: The Most Updated and Complete Guide to Excel, Word, PowerPoint, Outlook, OneNote, OneDrive, Teams, Access, and Publisher from Beginners to Advanced
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- Count seats by role. Identify who needs an account and what each person must do: use desktop Office apps, access email and shared files, collaborate in Teams, or administer devices and security.
- Assign the least-cost suitable plan. Compare the required apps and controls with each plan, including Teams versus no-Teams editions. Avoid paying for capabilities that the user does not need.
- Apply the right price and renewal date. Use the firm’s contracted price until its applicable renewal, then model the relevant current price. Include monthly versus annual billing or commitment terms.
- Add optional Copilot seats separately. Do not treat a Copilot bundle, standalone add-on, and standard suite as interchangeable prices.
- Add implementation and ongoing labor. Estimate migration, configuration, training, troubleshooting, and support rather than treating the license bill as the total cost.
- Subtract only confirmed cancellations. Count an existing tool as a saving only when the firm verifies it is used, can be replaced, and will actually be canceled.
For a Copilot-enabled comparison, Microsoft Partner Center’s July 2026 announcement lists Business Standard with Copilot at $23.50 per user per month and Business Premium with Copilot at $32 per user per month, for an annual subscription with annual billing and a 300-license maximum. The announcement also describes promotional bundles. Confirm the region and offer terms before using those figures; they are not a universal add-on price. Microsoft Partner Center: July 2026 pricing announcement
Which costs go beyond the subscription?
Migration and setup
Moving mail and files, configuring the tenant, setting identity and permissions, and enrolling devices can require internal staff time or outside implementation work. The available accounting-firm example does not provide a typical dollar estimate, so the firm should obtain a scoped estimate for its own systems and migration needs.
Training and adoption
Training, change management, support, and the time staff spend adjusting workflows are real costs. A rollout that leaves people using old processes alongside new tools may produce the license expense without the anticipated efficiency. In Microsoft’s story about Indian chartered accountancy firm G.K. Choksi & Co., the rollout was planned with partner ITCG and included training and change management; the story does not state implementation cost or quantified net return. Microsoft customer story: G.K. Choksi & Co.
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Security and compliance fit
Assess whether the chosen plan’s controls meet the firm’s requirements for client data, retention, access, and applicable regulatory obligations. Price any additional products or managed services needed to address gaps. A Microsoft 365 subscription by itself does not establish compliance or eliminate breach risk.
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Overlapping tools
Review existing email, file-sharing, conferencing, backup, and security services one by one. Bundled features create a potential opportunity to consolidate, not an automatic saving. Keep a separate service in the cost model until the firm confirms it can be retired without losing a required capability.
When can the subscription improve the bottom line?
The financial case comes from the difference between the full cost of adoption and measurable operating benefits. A simple model is:
Net impact = confirmed tool savings + realized value from time or capacity gains − licenses − implementation − training − support − additional security costs.
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1Fix the driver behind crashes, sound loss and screen glitches2Repair Windows errors before they cause bigger problems3Scan for outdated or missing drivers - takes under a minuteTime saved is not automatically profit. It can create value if the firm uses the capacity to handle more client work, reduce overtime or staffing costs, or improve service in a way clients will pay for. The effect depends on available work, realization rates, staffing, and pricing. If saved time is not converted into revenue or avoided cost, it may improve convenience without changing the bottom line.
Track a small number of specific workflows before and after rollout. Useful measures include time spent on recurring tasks, rework, support incidents, adoption, and client-billable capacity. Record the period and the staff or processes measured, and compare like with like. Do not claim savings based on assumed productivity or on a tool’s feature list alone.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.What published savings claims do—and do not—show
Published examples illustrate possible outcomes but do not establish a typical return for a smaller accounting practice.
- PwC: Microsoft’s 2026 customer story reports more than $25 million in platform-consolidation savings and $150 million in time savings attributed to Copilot use. The story describes an organization with more than 364,000 people across 136 countries and a migration involving more than 15 petabytes and over 500,000 mailboxes. These are Microsoft-reported outcomes from an unusually large global organization, not a benchmark or cash-savings forecast for a smaller firm. PwC’s CIO and CISO James Shira says the company is embedding Microsoft 365 with Copilot so staff can spend more time advising clients and less on administrative work; that vendor-published quote is not independent validation of the reported savings. Microsoft customer story: PwC
- Forrester Consulting: A Microsoft-commissioned 2023 Total Economic Impact study models $8,512,592 in net present value over three years and 127% ROI for a composite organization using Microsoft 365 E5 Apps for enterprise. It is a commissioned model, not a measured result for a typical accounting firm. Forrester Consulting study for Microsoft 365 E5 Apps for enterprise
- G.K. Choksi & Co.: Microsoft’s story documents a Copilot rollout at an Indian accountancy firm with more than 200 employees and describes partner-led planning and training. It supplies no quantified net ROI or implementation cost, so it is useful as an example of rollout considerations rather than proof of savings.
No independent published figure in these cited sources establishes typical net savings for accounting firms after license, implementation, training, support, and security costs. The firm’s own cost model and workflow measures are more relevant than extrapolating a large company’s result.
Quick Recap
How to decide whether the investment makes sense
- Use the actual seat count and plan mix, rather than assuming everyone needs the same tier.
- Confirm which users need desktop apps, collaboration tools, storage, or additional security and device-management controls.
- Model renewal timing, billing terms, Teams choice, and any optional Copilot seats separately.
- Get an estimate for migration and configuration, and assign a realistic value to staff training and support time.
- Identify overlapping services that can truly be canceled, with a named owner and cancellation date.
- Set baseline measures for adoption, task time, rework, support burden, and billable capacity, then evaluate whether gains translate into revenue or avoided cost.
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