Independent Tax Tools

Tax calculators that feel verified before they feel clever

Built for high-intent UK tax tasks where users care about trust, not gimmicks. Every core tool is browser-first, source-backed, and written to make the next action obvious.

Rates sourced from GOV.UK Browser-first tools Versioned tax years

Start here

Pick the tax situation you need, then go straight to the right calculator or guide cluster.

Browse UK self-employed tools & guides Browse UK landlord tools & guides

I'm self-employed

Estimate Income Tax + NIC (and optional student loan/pension) from annual profit.

Browse self-employed tools and guides

I'm a landlord

Estimate additional Income Tax due from rental profit (optional other income for marginal band).

Browse landlord tools and guides

I need to choose software

Generate a must-have checklist and decide DIY vs accountant. No brand ranking.

Go to software checklist

Tools

Grouped by situation so you can find the right tool quickly.

Self-employed

UK Self-Employed Tax Calculator
Calculator

Income Tax + Class 4 NIC from annual profit, with optional student loan and pension inputs.

Guides & entry pages England & Wales Scotland

Landlord

Landlord Tax Calculator UK
Calculator

Estimate rental income tax from net rental profit (optional other income for marginal rate). Free, browser-only, no sign-in.

Guides & entry pages Landlord tax calculator UK Landlord costs calculator UK UK rental income tax rate

Self Assessment

Self Assessment software checklist
Decision helper

Generate a must-have feature list and a DIY vs accountant guide. No brand ranking.

Related: self-employed calculator Related: landlord calculator

About · Privacy · Contact