Stop fighting with HMRC claim formatting.

The native add-in for Google Sheets and Excel that validates your donor data and prepares HMRC-ready claims in seconds. Monthly CRM subscriptions cost more each month than we cost per year; commission services keep up to a tenth of every claim.

Get Started for £36/year
Donor Postcode Date Amount Status
A. Smith SW1A 1AA 12/01/2026 20.00 ✓ PASS
B. Jones M1 1AA 13/01/2026 50.00 ✓ PASS
C. Taylor B1 1AA 14/01/2026 10.00 ✓ PASS
D. White L1 1AA 15/01/2026 100.00 ✓ PASS
Brown E1 1AA 16/01/2026 25.00 ✕ Missing first initial - HMRC schedule requires it

HMRC-recognised software listing in progress; validation rules follow the official Charities Online schedule spec.

Data Privacy First: Donation data is processed on our UK-based servers solely to run the validation you request; it is never stored after your session ends and never shared. Questions? Email our support team.

Built for Treasurers, Not Accountants

We know the pain: you spend hours formatting spreadsheets, only for HMRC to bounce the file due to a missing postcode or date error. Monthly CRM subscriptions cost more each month than we cost per year; commission services keep up to a tenth of every claim.

What's Included

  • ✓ Native Google Sheets & Excel Add-in
  • ✓ Real-time HMRC rule validation
  • ✓ One-click claim file generation
  • ✓ No hidden fees or commissions
  • ✓ £36 flat annual fee