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We know that keeping a track of all the different HMRC tax deadlines whilst running a business can be difficult. So, to help you out, we’ve put together a timeline of the most important tax deadlines that you need to be aware of in our Ellacotts Tax Calendar:

December 2020

1 December 2020 – Corporation tax due for the year to 29/02/2020 unless quarterly instalments apply.

1 December 2020HMRC releases New Advisory Fuel Rates (AFR) for company car users

19 December 2020 – Deadline for NICs and PAYE deductions and CIS return and tax to HMRC via post for the month to 5/11/20

22 December 2020 – Deadline for NICs and PAYE deductions and CIS return and tax to HMRC electronically for the month to 5/12/20

January 2021

1 January 2021 – Annual Investment Allowance (AIA) reduces from £1 million to £200,000. Find out more here.

1 January 2021 – Corporation tax due for the year to 31/03/2020 unless quarterly instalments apply.

19 January 2021 – Deadline for NICs and PAYE deductions and CIS return and tax to HMRC via post for the month to 5/01/21

22 January 2021 – Deadline for NICs and PAYE deductions and CIS return and tax to HMRC electronically for the month to 5/01/21

31 January 2021 – Deadline for filing the self-assessment tax return, balancing payment of tax due for 2019/20 tax year and the first payment on account for 2020/21 tax year.

February 2021

1 February 2021 – Corporation tax due for the year to 30/04/2020 unless quarterly instalments apply.

19 February 2021 – Deadline for NICs and PAYE deductions and CIS return and tax to HMRC via post for the month to 5/02/21

22 February 2021 – Deadline for NICs and PAYE deductions and CIS return and tax to HMRC electronically for the month to 5/02/21

March 2021

1 March 2021 – Coronavirus Job Retention Furlough Scheme extended until March 2021. Read more here.

1 March 2021 – Corporation tax due for the year to 31/05/2020 unless quarterly instalments apply.

19 March 2021 – Deadline for NICs and PAYE deductions and CIS return and tax to HMRC via post for the month to 5/03/21

22 March 2021 – Deadline for NICs and PAYE deductions and CIS return and tax to HMRC electronically for the month to 5/03/21

31 March 2021 Deadline for payment of deferred VAT payment due to coronavirus (VAT payments due between 20 March 2020 and 30 June 2020)

April 2021

1 April 2021 – Corporation tax due for the year to 30/06/2020 unless quarterly instalments apply.

5 April 2021 – 2020/21 tax year ends

6 April 2021 – New 2021/22 tax year begins

6 April 2021 –  Reforms to off-payroll working – IR35 Rules for private sector contractors and freelancers have been extended to this date. Read more here.

Have any questions on these tax deadlines?

If you would like any help or advice on any tax issues or help to submit your self-assessment tax return please contact our specialist Tax Partner, Ann Bibby on abibby@ellacotts.co.uk or 01295 250401 or fill out our contact form.

We offer a range of personal and business tax services including filing personal tax returns and complex tax planning for business owners, landlords and individuals.