Business calendar

22 Jul 2018

• NICs electronic payments for 2017/18

  Deadline for any electronic payments to reach HMRC for any outstanding class 1A NICs for the year ending 5 April 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.

31 Jul 2018

• Deadline for self-assessment (payment on account)

  Deadline for second payment on account for tax year ended 5 April 2018.

• 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 July 2017 to be submitted to HMRC.

01 Aug 2018

• Corporation tax payment

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

07 Aug 2018

• VAT return

  Due date for June VAT returns unless exempted.

14 Aug 2018

• EC sales list

  Deadline for paper monthly or quarterly return filing.

19 Aug 2018

• CIS return

  Construction Industry Scheme: monthly return due for period up to 5th of previous month.

• 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 July 2018.

21 Aug 2018

• EC sales list

  Deadline for online monthly or quarterly return filing.

• Intrastat

  Due date for payment of supplementary declarations for July 2018.

22 Aug 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.

31 Aug 2018

• Corporation tax return

  Filing deadline for corporation tax return self-assessment form CT600 for period ended 31 August 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 Sep 2018

• Corporation tax payment

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

• Advisory fuel rates

  New fuel rates come into force.

07 Sep 2018

• VAT return

  Due date for July VAT returns unless exempted.

14 Sep 2018

• EC sales list

  Deadline for paper monthly or quarterly return filing.

19 Sep 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 August 2018.