Confirmation statement, accounts, CT600 and the payment date people forget — mapped to a normal year end.
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Four deadlines land in your first year or two as a limited company, and they don't all follow the same clock. Here's the order they actually arrive in.
1. Confirmation statement — due every year on your "review date" (usually the anniversary of incorporation), and again every 12 months after. It confirms your registered details haven't quietly gone stale. Miss it and the company risks being struck off, not just fined.
2. Corporation Tax payment — due 9 months and 1 day after your accounting year end, and this is the one people forget because it comes before the return that calculates it. HMRC charges daily interest from day one if it's late, whether or not you've filed the CT600 yet.
3. CT600 (Corporation Tax return) — due 12 months after your year end. A flat £100 penalty applies the day after, rising the longer it's outstanding.
4. Annual accounts at Companies House — due 9 months after your year end for most companies. Your very first set is the exception: you get 21 months from the date of incorporation, which is longer, but it also means your first year end and your first accounts deadline don't line up the way people expect.
The short version: confirmation statement on its own clock, tax payment before the tax return, and your first-year accounts deadline is longer than every year after. We track all four for you and chase for records before any of them get close.
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