Free tools. Tax year 2026/27
Calculators that show you the whole sum, not one number
Every one of these runs in your browser, uses current HMRC rates, and shows the working so you can check it. None of them ask for your email first.
Salary, dividend or pension?
The big one. Set your company profit and see what each route actually leaves you once corporation tax, employer NI, income tax, employee NI and dividend tax have all taken their cut. Compares four ways of paying yourself side by side, and tells you what £100 of profit is worth through each route.
Open the planner CompanyCorporation tax
The 19 percent small profits rate, the 25 percent main rate, and the marginal relief band between £50,000 and £250,000 where the effective rate is neither.
Open the calculator PersonalDividend tax
What a dividend costs you personally once your salary has used up the bands, including the dividend allowance and where each rate starts to bite.
Open the calculator RaisingSEIS and EIS relief
What your investor actually gets back after income tax relief and loss relief, which is usually the number that moves a term sheet.
Open the calculator