Zero-Change.
One-Click Filing.
Our engine maps your existing spreadsheets directly to HMRC categories. No manual entry, no templates.
The "Messy" Mapping Demo
Our engine automatically highlights and groups your custom Excel rows into official HMRC tax boxes.
The Submission Journey
A secure, four-step bridge between your data and HMRC.
1. Secure Upload
Drop your .xlsx file. Processed instantly in encrypted RAM.
2. Logic Mapping
Our engine categorises every row to HMRC standards.
3. Human Review
Check the totals. Adjust any mapping with one click.
4. Direct File
Submit to HMRC and receive your official receipt ID.