Business & VAT

VAT and small business sums.

Self-Employed Tax Calculator UK 2026/27: Income Tax and Class 4 NI

Estimate 2026/27 Income Tax and Class 4 National Insurance on your sole trader profit, plus payments on account and what is due on 31 January 2028.

Self-Employed Tax Calculator UK 2026/27: Income Tax and Class 4 NI Read Post »

Business & VAT

VAT Calculator UK: Add or Remove VAT at 20% or 5%

Add VAT to a net price or remove VAT from a gross price at the UK standard 20% rate, the 5% reduced rate or zero, with the formulas and common mistakes explained.

VAT Calculator UK: Add or Remove VAT at 20% or 5% Read Post »