Business calendar

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21 Jan 2018

  • EC sales list

    Deadline for online monthly or quarterly return filing.

22 Jan 2018

  • Monthly electronic PAYE/class 1 NICs/student loan payment

    If paying electronically, pay PAYE, class 1 NICs, student loan deductions and deductions from payments to subcontractors for the month up to the 5th of this month.

  • Quarterly electronic PAYE/class 1 NICs payment

    Q3 (2017/18) PAYE/NIC payment due in order to avoid an automatic interest charge.

31 Jan 2018

  • Self-assessment deadline (balancing payments)

    Deadline for online submission of self-assessment balancing payments for 2016/17 tax year.

  • Self-assessment deadline (online)

    Deadline for online submission of self-assessment tax return for 2016/17 tax year.

  • Company accounts filing deadline

    Deadline for filing your company tax return is 12 months after your accounting period for corporation tax ends.

  • Corporation tax return

    Filing deadline for corporation tax return self-assessment form CT600 for period ended 31 January 2017 to be submitted to HMRC.

  • Self-assessment deadline (payment on account)

    Deadline for first self-assessment payment on account for tax year ended 5 April 2017.

01 Feb 2018

  • Auto-enrolment staging dates

    Auto-enrolment staging date for new employers with PAYE income first payable between 1 July 2017 and 30 September 2017.

  • Corporation tax payment

    Corporation tax payment due for year end 30 April 2017, for those companies not liable to pay their liability by instalments.

07 Feb 2018

  • VAT return

    Due date for December VAT returns unless exempted.

14 Feb 2018

  • EC sales list

    Deadline for paper monthly or quarterly return filing.

19 Feb 2018

  • Monthly postal PAYE/class 1 NICs/student loan payment

    If you pay by cheque through the post, monthly payments due for PAYE, class 1 NICs and student loan deductions from January 2018.

21 Feb 2018

  • EC sales list

    Deadline for online monthly or quarterly return filing.

  • Intrastat

    Due date for payment of supplementary declarations for January 2018.

22 Feb 2018

  • Monthly electronic PAYE/class 1 NICs/student loan payment

    If paying electronically, pay PAYE, class 1 NICs, student loan deductions and deductions from payments to subcontractors for the month up to the 5th of this month.

28 Feb 2018

  • Corporation tax return

    Filing deadline for corporation tax return self-assessment form CT600 for period ended 28 February 2017 to be submitted to HMRC.

  • Company accounts filing deadline

    Deadline for filing your company tax return is 12 months after your accounting period for corporation tax ends.

01 Mar 2018

  • Advisory fuel rates

    New fuel rates come into force.

  • Corporation tax payment

    Corporation tax payment due for year end 31 May 2017, for those companies not liable to pay their liability by instalments.

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