HMRC Important filing deadlines

Important Deadlines for individuals, self-employed and CIS subcontractors

Individuals, sole traders and CIS subcontractorsFiling deadline
Second payment on account for 2019/20 tax year31 July 2020
Deadline to advise HMRC that you need to register for self-assessment for the tax year 2018/20195 October 2019
Deadline for filing Self-Assessment Tax Return with HMRC if you would like to pay tax to be collected through your PAYE code31 December 2019
Deadline for filing self-assessment tax return for the tax year 2018/201931 January 2020
Deadline for making payment for any tax liability for the tax year 2018/1931 January 2020
Deadline for making the balancing payment for 2018/19 tax liability31 January 2020
Deadline for making the first payment on account for 2018/19 tax year31 January 2020

Important deadlines for Companies

Companies House - Company Statutory Accounts filing
Company accounts must be submitted within 9 months of the end of the accounting year or from incorporation date if first year filing e.g. year end 31 May 2019, the deadline to file the accounts with companies house would be 28 February 2020. If the accounts are for the first accounting year end and the incorporation date is 18 May 2018, the deadline would be 17 February 2019.

Companies House Deadlines for filing the accounts with the accounting year ended:Filing deadline
31 January 2019 - nine months after year end31 October 2019
28 February 2019 - nine months after the year end30 November 2019
31 March 2019 - nine months after the year end31 December 2019
30 April 2019 - nine months after the year end31 January 2020
31 May 2019 - nine months after the year end28 February 2020
30 June 2019 - nine months after the year end31 March 2020
31 July 2019 - nine months after the year end30 April 2020
31 August 2019 - nine months after the year end31 May 2020
30 September 2019 - nine months after the year end30 June 2020
31 October 2019 - nine months after the year end31 July 2020
30 November 2019 - nine months after the year end31 August 2020
31 December 2019 - nine months after the year end30 September 2020

Corporation Tax Return (CT600)
Corporation Tax Return (CT600) must be submitted within 12 months after your accounting year-end e.g. year end 31 May 2019, the deadline for the submission of corporation tax return with HMRC would be 31 May 2020.

Monthly CIS Returns

CIS Returns must reach by 19 of each monthFiling deadline
6 January 2019 to 5 February 201919 February 2019
6 February 2019 to 5 March 201919 March 2019
6 March 2019 to 5 April 201919 April 2019
6 April 2019 to 5 May 201919 May 2019
6 May 2019 to 5 June 201919 June 2019
6 June 2019 to 5 July 201919 July 2019
6 July 2019 to 5 August 201919 August 2019
6 August 2019 to 5 September 201919 September 2019
6 September 2019 to 5 October 201919 October 2019
6 October 2019 to 5 November 201919 November 2019
6 November 2019 to 5 December 201919 December 2019
6 December 2019 to 5 January 202019 January 2020

Quarterly VAT Returns

Quarterly VAT Returns filing due dates and payments deadlineFiling deadline
Quarter ended 31 January 20197 March 2019
Quarter ended 28 February 20197 April 2019
Quarter ended 31 March 20197 May 2019
Quarter ended 30 April 20197 June 2019
Quarter ended 31 May 20197 July 2019
Quarter ended 30 June 20197 August 2019
Quarter ended 31 July 20197 September 2019
Quarter ended 31 August 20197 October 2019
Quarter ended 30 September 20197 November 2019
Quarter ended 31 October 20197 December 2019
Quarter ended 30 November 20197 January 2020
Quarter ended 31 December 20197 February 2020

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