Taxley: UK Corporation Tax Calculator & Deadlines

Work out a UK limited company's Corporation Tax, CT600 and Companies House deadlines, and estimate the tax. Free, from Taxley.

Free UK company tax deadline checker and Corporation Tax estimator from Taxley (taxley.co.uk), in your browser toolbar. DEADLINES Enter the date your company's accounts end and see: • when to pay the tax: normally 9 months and 1 day after the accounting period ends • when the CT600 Company Tax Return is due: 12 months after the accounting period ends • when a private limited company's accounts are due at Companies House: normally 9 months after the year end Accounts longer than 12 months? Add the start date, and each accounting period gets its own payment date. ADD THEM TO YOUR CALENDAR One click saves the dates as a calendar file (.ics) for Google Calendar, Outlook or Apple Calendar, with a reminder two weeks before each one. ESTIMATE THE TAX Enter the period and the taxable profits to see the estimated bill, the effective rate and any marginal relief. It also handles associated companies, exempt dividends and close investment-holding companies. NEXT DEADLINE AT A GLANCE The extension remembers the last dates you worked out, in your own browser, and shows the next one each time you open it. PRIVATE BY DESIGN • Asks for no browser permissions, so it can't see the pages you visit. • No analytics or tracking code in the extension, and no sign-up. Links to taxley.co.uk carry campaign tags, so we can see visits that came from the extension. • The dates and figures you type are sent to taxley.co.uk only to work out the answer. Taxley doesn't keep them or tie them to an account. • The last deadline dates you worked out stay in your own browser until you choose "Forget these dates" or remove the extension. ABOUT TAXLEY Taxley is UK online software that files a limited company's CT600 Company Tax Return with HMRC and its accounts with Companies House. Website: https://taxley.co.uk The same free calculators are on the website: • Deadline calculator: https://taxley.co.uk/corporation-tax-deadline-calculator • Corporation Tax calculator: https://taxley.co.uk/corporation-tax-calculator • All free tools: https://taxley.co.uk/tools Answers are based on the rules published on GOV.UK. They are general guidance, not tax advice.