Important Deadlines for individuals, self-employed and CIS subcontractors
| Individuals, sole traders and CIS subcontractors | Filing deadline |
| Second payment on account for 2019/20 tax year | 31 July 2020 |
| Deadline to advise HMRC that you need to register for self-assessment for the tax year 2018/2019 | 5 October 2019 |
| Deadline for filing Self-Assessment Tax Return with HMRC if you would like to pay tax to be collected through your PAYE code | 31 December 2019 |
| Deadline for filing self-assessment tax return for the tax year 2018/2019 | 31 January 2020 |
| Deadline for making payment for any tax liability for the tax year 2018/19 | 31 January 2020 |
| Deadline for making the balancing payment for 2018/19 tax liability | 31 January 2020 |
| Deadline for making the first payment on account for 2018/19 tax year | 31 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 end | 31 October 2019 |
| 28 February 2019 - nine months after the year end | 30 November 2019 |
| 31 March 2019 - nine months after the year end | 31 December 2019 |
| 30 April 2019 - nine months after the year end | 31 January 2020 |
| 31 May 2019 - nine months after the year end | 28 February 2020 |
| 30 June 2019 - nine months after the year end | 31 March 2020 |
| 31 July 2019 - nine months after the year end | 30 April 2020 |
| 31 August 2019 - nine months after the year end | 31 May 2020 |
| 30 September 2019 - nine months after the year end | 30 June 2020 |
| 31 October 2019 - nine months after the year end | 31 July 2020 |
| 30 November 2019 - nine months after the year end | 31 August 2020 |
| 31 December 2019 - nine months after the year end | 30 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 month | Filing deadline | |
|---|---|---|
| 6 January 2019 to 5 February 2019 | 19 February 2019 | |
| 6 February 2019 to 5 March 2019 | 19 March 2019 | |
| 6 March 2019 to 5 April 2019 | 19 April 2019 | |
| 6 April 2019 to 5 May 2019 | 19 May 2019 | |
| 6 May 2019 to 5 June 2019 | 19 June 2019 | |
| 6 June 2019 to 5 July 2019 | 19 July 2019 | |
| 6 July 2019 to 5 August 2019 | 19 August 2019 | |
| 6 August 2019 to 5 September 2019 | 19 September 2019 | |
| 6 September 2019 to 5 October 2019 | 19 October 2019 | |
| 6 October 2019 to 5 November 2019 | 19 November 2019 | |
| 6 November 2019 to 5 December 2019 | 19 December 2019 | |
| 6 December 2019 to 5 January 2020 | 19 January 2020 |
Quarterly VAT Returns
| Quarterly VAT Returns filing due dates and payments deadline | Filing deadline | |
|---|---|---|
| Quarter ended 31 January 2019 | 7 March 2019 | |
| Quarter ended 28 February 2019 | 7 April 2019 | |
| Quarter ended 31 March 2019 | 7 May 2019 | |
| Quarter ended 30 April 2019 | 7 June 2019 | |
| Quarter ended 31 May 2019 | 7 July 2019 | |
| Quarter ended 30 June 2019 | 7 August 2019 | |
| Quarter ended 31 July 2019 | 7 September 2019 | |
| Quarter ended 31 August 2019 | 7 October 2019 | |
| Quarter ended 30 September 2019 | 7 November 2019 | |
| Quarter ended 31 October 2019 | 7 December 2019 | |
| Quarter ended 30 November 2019 | 7 January 2020 | |
| Quarter ended 31 December 2019 | 7 February 2020 |
