Busy Season 2026: The Year CAS Firms Seize the Lead
Why is the busy season better for CAS accountants?

By CPA Trendlines Research
With busy season 2026, accountants specializing in client accounting services are reaping the benefits of a year’s worth of hard work, in a smoother path to April 15, more compliant clients, and higher fees, according to the CPA Trendlines Busy Season Barometer.

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The Busy Season Barometer marks the 2026 tax season as the breakthrough moment when CAS crosses from merely an aspirational experiment to a routine part of the service mix for small and midsize firms.




