When are my company's filings due?
Type your company name or number — we look the rest up for you from Companies House and show every deadline, in plain English. No login, no spreadsheets.
When is my company tax return due?
Your Company Tax Return (the CT600) is due 12 months after the end of your accounting period. Your yearly accounts are due at Companies House 9 months after the period end, and your Corporation Tax must be paid 9 months and 1 day after the period end.