Limited Company Tax Companion

Corporation tax, dividends and director's loans — worked out for you, all in one simple tool.

What it does

✅ Estimates your corporation tax for 2026/27 — including marginal relief between £50,000 and £250,000
✅ Works out your dividend tax using the new 2026/27 rates (10.75% / 35.75% / 39.35%)
✅ Shows how much profit is available to draw as dividends — and warns if you try to take too much
✅ Built-in Dividends Tracker to log every dividend with a running total
✅ Director's Loan Account tracker with an s455 tax warning if you're overdrawn
✅ Key dates worked out for you — corporation tax due (9 months + 1 day) and your Self Assessment payment date

Simple to use

Enter your turnover, salary, expenses and planned dividends in the yellow boxes — everything else is estimated automatically. Works in Google Sheets on any device, or in Excel. The calculations behind it stay locked so nothing breaks.

£39

Instant access — Google Sheets or Excel

Built by an accountant

Created by Mel Dean FCCA, with over 20 years of experience helping UK business owners. Every rate is checked against the latest HMRC figures for 2026/27, including the dividend tax rise that took effect in April 2026.

This is an estimation tool, not a substitute for professional advice or your company and personal tax returns. It does not calculate National Insurance on salary, capital allowances, associated companies, or the High Income Child Benefit Charge.