Under £25,000 of both gross income and gross expenditure, and a council can sign a Certificate of Exemption instead of sending the AGAR to the external auditor. The catch is what counts as gross — loans, grants, CIL and VAT refunds all do, and they are routinely left out.
Every council needs an effective internal audit each year and the Annual Internal Audit Report completed. Fixed fee by council size, done remotely, back before your meeting.
Ask for a fixed fee