Free Tools

Tax & Business
Calculators

Free tools to estimate your UK tax position, assess IR35 risk, value your business, and optimise your remuneration — all based on 2025/26 HMRC rates. For illustrative purposes only.

2025/26

Corporation Tax

Calculate your UK corporation tax liability including marginal relief for profits between £50k and £250k. Adjusts for associated companies.

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Assessment

IR35 Status Checker

Assess your IR35 risk across the key HMRC factors — substitution, control, mutuality of obligation, financial risk, and more.

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Instant

VAT Calculator

Instantly add or remove VAT at any UK rate — 20%, 5%, or 0%. See net, VAT, and gross figures in real time.

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2024 Merged Scheme

R&D Tax Relief

Estimate your benefit under the 2024 merged R&D scheme, including the 27% enhanced rate for R&D-intensive SMEs (ERIS).

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3 Methods

Business Valuation

Get a valuation range using EV/EBITDA multiples, revenue multiples, and a simplified DCF across six UK industry sectors.

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Optimiser

Dividend vs Salary

Find the optimal split between salary and dividends for UK company directors. Side-by-side comparison with 2025/26 rates.

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All calculators provide estimates based on published UK 2025/26 rates for illustrative purposes only. They do not constitute tax, legal, or financial advice. Speak to an adviser for guidance tailored to your circumstances.

Tax & Business Calculators

Corporation Tax

IR35 Status Checker

VAT Calculator

R&D Tax Relief

Business Valuation

Dividend vs Salary

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Tax & Business
Calculators