Important deadlines

Dates and Deadlines

31 December 2021

  • CT61

    End of CT61 quarterly period.

  • Company accounts filing deadline

    Deadline for filing your annual accounts is 9 months after your company’s financial year ends.

  • Corporation tax return

    Filing deadline for corporation tax return self-assessment form CT600 for period ended 31 December 2020 to be submitted to HMRC.

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