How much does an accountant cost in the UK? Fees run from around £150 for a self-assessment return to £3,500+ for limited company accounts and Corporation Tax. This guide sets out 2025/26 fee benchmarks service by service, shows why a £40,000 in-house hire costs closer to £51,450 fully loaded, and why outsourced capacity works out cheaper per FTE - plus how the Employer NI rise and Making Tax Digital are reshaping costs for UK firms through 2026.

Learn how offshore bookkeeping helps UK accounting firms reduce costs, solve staffing shortages, and improve operational scalability while remaining HMRC compliant.