TAX

21 Hard-Earned Lessons from Tax Season 2026

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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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Tax Prep Billing Rates Lift Busy Season 2026

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Busy Season 2026 sets up a year of tough decisions about monumental transformations.

Busy Season 2026: Billing rates for tax prep and planning are increasing at a 10.8% year-over-year rate, rushing past the average tax and accounting fee increase of 4.5%.

By CPA Trendlines

Busy Season 2026: Tax professionals struggle to improve systems and metrics, with “much worse” beating “much better” by three to one.

As tax season 2026 comes to a close, new data show that price hikes for tax prep and planning are running at double-digit rates, even as billing rates for most other accounting services are flattening out, according to new CPA Trendlines research in conjunction with the annual Busy Season Barometer.

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Tax practitioners are finishing the season as a divided profession, with fewer than 6% reporting a “much better” year, against almost three times that many reporting a “much worse” year.

Coming out of tax season, many firms are facing major decisions in the coming months driven by new artificial intelligence investments, a fundamental shift in staffing models, and private equity disruptions.

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Red Flag Warning: Accountants Lose Faith in the Economic Outlook

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A turn for the worse: Accountants’ outlook on the economy takes a tumble with the end of busy season. (CPA Trendlines Busy Season Barometer)

Two-thirds now see tough times ahead.

By CPA Trendlines Research

After processing hundreds, if not thousands, of tax returns for wage earners and small business owners, U.S. accountants’ confidence in the nation’s economy is in a state of collapse, according to the latest CPA Trendlines Busy Season Barometer.

While practitioners entered the winter with relatively stable expectations, the reality of “busy season”—which provides a granular look at the financial health of American businesses—has apparently triggered a sharp reversal.

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With the end of the 2026 filing cycle, roughly two-thirds of CPAs are predicting that national business conditions will worsen over the next 12 to 18 months, a startling increase from the beginning of the cycle, when only half held a negative outlook. Conversely, the number of optimists dwindled to about 18%, down from nearly 30 points from earlier in the year.

“We’re looking at higher costs and too much uncertainty for our small-business clients,” one sole proprietor noted in the survey, shifting his rating to “much worse.”

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Tipping Point: Accountants Scramble for AI Tech

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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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Eight Tips for Delighting Tax Clients

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Portrait of a mature businesswoman giving a binder

Do they feel important?

By Ed Mendlowitz
Tax Season Opportunity Guide

Clients are our customers. They pay our salary and enable us to make good livings. Do what you can to accommodate them and make them feel important – as important as they believe they are.

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Also be user-friendly – do not make it difficult to work with you. Clients don’t know how smart we are. They think we are great, but they measure us by the small things – the good and bad.
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