Business tax guides
Plain-English guides to the rules behind our calculators, with this year's rates and worked examples.
Limited company guides
DividendsDividend tax rates and the dividend allowance
This year's rates, how the bands work, the April 2026 rise and how to report dividends.
DeadlinesWhen is corporation tax due?
Payment, Company Tax Return and Companies House deadlines for any year end, with a deadline finder and penalties.
EmployersEmployment Allowance
Who can claim up to £10,500 off employer National Insurance, the single director rule and how to claim.
More guides on corporation tax, director pay and running a limited company are being added.