
Free Guide:
Switching Accountant: 14-Point Checklist (UK)
Compliance, continuity, clarity—your first 90 days mapped and delivered.
Switch accountants without disruption, penalties, or hassle.
Trust badges: Updated Oct 2025 · UK-specific · 8-page checklist
You know exactly what to do next—one clear checklist.
You avoid gaps: deadlines mapped; authorisations handled.
You keep momentum: software live, bank feeds stable, month-end agreed.
Discovery call booked & AML/KYC ready
Professional enquiry (“clearance”) to outgoing firm
Engagement letter signed (scope, fees, responsibilities)
HMRC agent authorisations (SA, CT, PAYE, VAT, CIS)
VAT digital handshake completed (ASA flow)
Remove old agent access where appropriate
Data pack requested (TB, journals, FAR, VAT, payroll RTI/YTD, CIS, YE papers)
Software access granted; bank feeds checked
Companies House authentication code confirmed/requested
Deadline calendar mapped (PAYE 22nd; VAT one month + 7 days)
Opening balances reconciled & documented
Month-end cadence agreed (who does what, when)
52-week rolling forecast switched on (cash, VAT, PAYE, CT)
30/60/90-day reviews scheduled