21 Hard-Earned Lessons from Tax Season 2026

And What 20 Years of Data Say Comes Next

By CPA Trendlines Research

There is a ritual to tax season. It begins with anticipation dressed as control.

Practitioners tally the risks — the IRS, the law, the clients who will not deliver on time — and tell themselves this year will be different. Then the season starts. And it isn’t.

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The CPA Trendlines Busy Season Barometer tracks that ritual across waves of surveys from September 2025 through April 2026 with more than 300 respondents.

The data show not a profession in crisis, but a profession under stress. Where pressures no longer arrive one at a time but stack up on each other. Where external shocks have been absorbed, and internal limits have come into view.

Tax season is full of noise, chaos and confusion. But a close look at the Busy Season Barometer from this year – and going back more than 20 years – can cut through the fog for the patterns, trends, insights and, most of all, the tough lessons learned.

Tax season 2026 gives us at least 21 essential takeaways.

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Tipping Point: Accountants Scramble for AI Tech

New workflow systems expected to cut labor problems and shore up profit margins.

Coming out of tax season, more than 55% of firms are looking for new artificial intelligence solutions, up 10 points from before the season. The scramble for practice management and workflow solutions has almost doubled. (CPA Trendlines Research)

By CPA Trendlines Research

The CPA Trendlines Busy Season Barometer shows accounting firms are already planning changes to their technology and workflows, aiming to address the same pressures that defined this year’s busy season.

The research points to a profession broadly aligned with what needs to change, but much less aligned with how quickly those changes can be put into practice.


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Firms across the spectrum, whether reporting a better or worse tax season, identify similar priorities: improving efficiency, reducing manual work and making better use of technology.

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Kenji Kuramoto: Basis Moves to Close AI’s Biggest Gap

When accountants and AI agents work side-by-side

“The future of the profession is accountants and agents working together,” Kuramoto says.


By Seth Fineberg
For CPA Trendlines

“Managing partner-in-residence” is not a standard role in accounting, and that was the first point of friction when Kenji Kuramoto was asked to explain his new job at Basis, the accounting AI agent company. What does that actually mean?

The answer goes beyond one hire. It points to a shift now underway in accounting: artificial intelligence is moving out of experimentation and into operations, and firms are not yet prepared for what that requires.

MORE Kenji Kuramoto: Behind Sorren’s Roll-Up: $170 Million, 1,000 Employees, 85 Partners | Kenji Kuramoto: Rules? What Rules? | Getting Real: Accounting Tech Decisions You Need to Make Today
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Basis, at getbasis.ai, says that Kuramoto, founder of cloud pioneer Acuity, joined full-time to help firms transition to AI-enabled operations, working directly with customers and shaping the product. The company made clear this was not a symbolic role. “Kenji isn’t here to advise from the margins,” CEO Matthew Harpe says. “He’s a full-time member of this team… creating the product with us.” Kuramoto is embedded with the company, not observing from the outside.

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 Busy Season 2026: Clients, Pricing, Staffing… CRUNCH

CPA Trendlines Busy Season Barometer: Modest Gains, Mixed Outlook, Cautious Tech Upgrades Ahead

Top concerns: “The returns aren’t harder—they’re just later.” (CPA Trendlines Busy Season Barometer)
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By CPA Trendlines Research

The 2026 tax season shows some gradual improvement for certain firms, but most practitioners report conditions that remain largely unchanged from a year ago, according to the latest data from the CPA Trendlines Busy Season Barometer.

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MORE Tax Season 2026

The good news is: 2026 hasn’t turned into the disaster some were expecting with a new tax law and diminished IRS. The bad news is: 2026 is turning into a relatively routine year — without the advances in workflow or the better margins from higher-value services that some were hoping for.

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