CPA Engagement Letters: Stopping Tax and Bookkeeping Scope Creep in 2026
· Business Finance · 1 min read
Most CPA fee conflicts start as vague “we’ll handle it.” Force clarity in the engagement letter.
Controls to require
- Explicit deliverable list (returns, payroll, monthly closes)
- Document due dates and late-fee policy
- Rate card for out-of-scope cleanup
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Frequently Asked Questions
- What belongs in a CPA engagement letter?
- Services included, fees, client responsibilities, deadlines, and how additional work is priced.
- Why do bills surprise clients?
- Usually out-of-scope bookkeeping cleanup or late document delivery. Define cutoffs and hourly rates up front.
- Can I switch CPAs mid-year?
- Yes, but transfer prior-year workpapers and software access early to avoid filing delays.