Important Dates and Deadlines

Limited Companies

Accounts are due to be filed with Companies House 9 months after the year end (6 months after the year end for public limited companies).

Corporation tax is normally due to be paid 9 months and 1 day after the year end. The dates vary for periods that are not 12 months.

Corporation tax returns (CT600s) must be filed with H M Revenue & Customs within 12 months of the year end.

Personal Tax

Self-Assessment Tax Returns must be filed with H M Revenue & Customs by the 31 January following the tax year end if filed online (31 October for paper returns).

Any tax due for the period is also due by 31 January.

Where payments on account are due, these must be paid by 31 July and 31 January respectively.

Payroll Related

Annual payroll returns (P35s) must be filed with H M Revenue & Customs by 19 May following the tax year end.

P11Ds must be filed with H M Revenue & Customs by 6 July following the tax year end.