NumWise
Accounting for sole traders and small businesses, built on Irish tax rules rather than adapted from a generic tool.
- 6
- Statement formats
- 113
- Features shipped
- 168+
- Parser tests
The project
Sole traders and small businesses in Ireland are served either by enterprise suites priced for larger firms, or by generic international tools that do not understand Irish tax. NumWise was built for the gap: income tax, USC, PRSI and corporation tax logic, VAT thresholds and Revenue requirements researched before a line of product was written. The hardest problem in small-business accounting is getting transactions in cleanly, so the core of the platform is a parser covering six statement formats from any bank, with vision parsing for layouts nobody has seen before and a column-mapping step as the deterministic fallback - an unrecognised format is a five-second setup rather than a support ticket. On top of that sits the accounting application itself: invoicing, expenses, VAT returns, tax estimation and reporting.
Built with
- Next.js
- TypeScript
- Supabase
- Drizzle
- Claude API
- ExcelJS
What it does
Built on Irish tax logic
Income tax, USC, PRSI and corporation tax; VAT at 23, 13.5, 9 and 4.8 per cent in Revenue two-month periods; registration thresholds of EUR 42,500 for services and EUR 85,000 for goods
Format-agnostic import
CSV, XLSX, OFX, QIF, MT940 and CAMT.053, from any bank or country
Vision parsing with a fallback
Unknown layouts are read automatically, with column mapping as the deterministic backup
168+ parser tests
Production-grade coverage across all six supported formats
The accounting application
Invoicing, expenses, VAT returns, tax estimation and reporting
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