Tax and business calendar

Details of compliance and regulatory deadlines.

To see expired deadlines, please use the following link: Expired deadlines

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31 Dec 2021

  • Corporation tax return

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

  • Company accounts filing deadline

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

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Expired deadlines

Details of expired compliance and regulatory deadlines.