UK VAT workflow
Add VAT vs reverse VAT
Many UK VAT mistakes happen because users switch between net-first and gross-first pricing without making the mode explicit. This page groups the practical reverse-VAT workflow around the live calculator.
Verified 2026-07-09. Current live logic is best for standard-rate planning and visible invoice math.
VAT Calculator UK
Switch between add-VAT and reverse-VAT planning.
Invoice Tax Workflow Guide
General invoice tax order still applies: subtotal, tax, total.
Methodology
Verification rules and maintenance window.