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ACCOUNTANCY SERVICES
Serving businesses in Alton, and throughout Hampshire

Accounting Calendar
Make sure you know the key dates and deadlines in the UK accounting calendar. Bookmark this page for essential dates for the coming tax year.


April 21
1st – Due date for payment of Corporation Tax for period ended 30th June 2020
1st – 2021 Financial Year Begins
5th - 2020/21 Deadline for pension contributions and ISA investments
5th – 2020/2021 Tax Year Ends
6th – 2021/2022 Tax Year Begins
6th – IR35 in the private sector comes into force
7th – Deadline for VAT returns and payments of Accounting Quarter period ending 28 February 2021
14th – Due date for income tax for the CT61 period to 31 March 2021
14th – Due date for Corporation Tax quarterly instalment for large companies with March, June, September or December Year Ends
19th – Automatic interest is charged where PAYE Tax, Student Loans, Class 1 NI, or CIS deductions are not paid by today
19th - Postal deadline PAYE quarterly payments are due for small employers for periods 6th January 2021 to 5th April 2021
19th – Deadline for employers’ final PAYE return to be submitted online for 2020/2021
22nd – Electronic deadline PAYE quarterly payments are due for small employers for periods 6th January 2021 to 5th April 2021
30th – Corporation Tax Returns filed by companies with 30th April 2020 as year end
30th – ATED (Annual Tax on Enveloped Dwellings) return deadline for year 1 April 2020 to 31 March 2021
30th – Due date to file company accounts with Companies House for Limited Companies with 31st July 2020 year end
May 21
1st – Due date for payment of Corporation Tax for period ended 31st July 2020 for SMEs not liable to pay by instalment.
3rd – Deadline for submitting P46 for employees whose car/fuel benefits changed during the quarter to 5th April 2021
7th – Deadline for VAT Returns and payments of Accounting Quarter period ending 31st March 2021
14th – Due date for Corporation Tax quarterly instalment for large companies with January, April, July or October Year Ends
19th – Monthly deadline for postal payments of CIS, NICs and PAYE to HMRC
22nd – Monthly deadline for electronic remittance of CIS, NICs and PAYE to HMRC
31st – Corporation Tax Returns filed by companies with 31st May 2020 as year end
31st – Deadline for forms P60 for 2020/21 to be issued to employees
31st – Due date to file company accounts with Companies House for Limited Companies with 31st August 2020 year end
June 21
1st – Advisory Fuel Rates
1st – Due date for payment of Corporation Tax for period ended 31st August 2020
7th – Deadline for VAT Returns and payments of Accounting Quarter period ending 30th April 2021
14th – Due date for Corporation Tax quarterly instalment for large companies with February, May, August or November Year Ends
19th – Monthly deadline for postal payments of CIS, NICs and PAYE to HMRC
22nd – Monthly deadline for electronic remittance of CIS, NICs and PAYE to HMRC
30th – Corporation Tax Returns filed by companies with 30th June 2020 as year end
30th – Due date to file company accounts with Companies House for Limited Companies with 30th September 2020 year end
July 21
1st – Due date for payment of Corporation Tax for period ended 30th September 2020
5th – Deadline for reaching PAYE Settlement Agreement for 2020/21
6th – Deadline for forms P11D and P11D(b) for 2020/21 to be submitted to HMRC
6th – Deadline for employers to report share incentives for 2020/21
7th – Deadline for VAT Returns and payments of Accounting Quarter period ending 31st May 2021
14th – Due date for Corporation Tax quarterly instalment for large companies with March, June, September or December Year Ends
19th – Monthly deadline for postal payments of CIS, NICs and PAYE to HMRC
19th - Postal deadline PAYE quarterly payments are due for small employers for periods 6th April 2021 to 5th July 2021
22nd – Monthly deadline for electronic remittance of CIS, NICs and PAYE to HMRC
22nd – Electronic deadline PAYE quarterly payments are due for small employers for periods 6th April 2021 to 5th July 2021
31st – Second Payment on Account for Income Tax for 2020/21
31st – Corporation Tax Returns filed by companies with 31st July 2020 as year end
31st – Due date to file company accounts with Companies House for Limited Companies with 31st October 2020 year end
Aug 21
1st – Due date for payment of Corporation Tax for period ended 31st October 2020
2nd – Deadline for submitting P46 for employees whose car/fuel benefits changed during the quarter to 5th July 2021
7th – Deadline for VAT Returns and payments of Accounting Quarter period ending 30th June 2021
14th – Due date for Corporation Tax quarterly instalment for large companies with January, April, July or October Year Ends
19th – Monthly deadline for postal payments of CIS, NICs and PAYE to HMRC
22nd – Monthly deadline for electronic remittance of CIS, NICs and PAYE to HMRC
31st – Corporation Tax Returns filed by companies with 31st August 2020 as year end
31st – Due date to file company accounts with Companies House for Limited Companies with 30th November 2020 year end
Sept 21
1st – New Advisory Fuel Rates (AFR) for company car users
1st – Due date for payment of Corporation Tax for period ended 30th November 2020
7th – Deadline for VAT Returns and payments of Accounting Quarter period ending 31st July 2021
14th – Due date for Corporation Tax quarterly instalment for large companies with February, May, August or November Year Ends
19th – Monthly deadline for postal payments of CIS, NICs and PAYE to HMRC
22nd – Monthly deadline for electronic remittance of CIS, NICs and PAYE to HMRC
30th – CT61 Quarterly Period ends
30th – Corporation Tax Returns filed by companies with 30th September 2020 as year end
30th – Due date to file company accounts with Companies House for Limited Companies with 31st December 2020 year end
Oct 21
1st – Due date for payment of Corporation Tax for period ended 31st December 2020
5th – Deadline for Self Assessment registration to notify HMRC of Income/Capital Gains Tax for 2020/2021
7th – Deadline for VAT returns and payments of Accounting Quarter period ending 31st August 2021
14th – Income Tax due date for CT61 period to 30 September 2021
14th – Due date for Corporation Tax quarterly instalment for large companies with March, June, September or December Year Ends
19th – Monthly deadline for postal payments of CIS, NICs and PAYE to HMRC
19th - Postal deadline PAYE quarterly payments are due for small employers for periods 6th July 2021 to 5th October 2021
22nd – Monthly deadline for electronic remittance of CIS, NICs and PAYE to HMRC
22nd – Electronic deadline PAYE quarterly payments are due for small employers for periods 6th July 2021 to 5th October 2021
31st – Corporation Tax Returns filed by companies with 31st October 2020 as year end
31st – Deadline for postal submission of Self Assessment Tax Returns for tax year ended 5th April 2021 to be received by HMRC
31st – Due date to file company accounts with Companies House for Limited Companies with 31st January 2021 year end
Nov 21
1st – Due date for payment of Corporation Tax for period ended 31st January 2021
2nd – Deadline for submitting P46 (Car) for quarter ending 5th October 2021
7th – Deadline for VAT Returns and payments of Accounting Quarter period ending 30th September 2021
14th – Due date for Corporation Tax quarterly instalment for large companies with January, April, July or October Year Ends
19th – Monthly deadline for postal payments of CIS, NICs and PAYE to HMRC
22nd – Monthly deadline for electronic remittance of CIS, NICs and PAYE to HMRC
30th – Corporation Tax Returns filed by companies with 30th November 2020 as year end
30th – Due date to file company accounts with Companies House for Limited Companies with 28th February 2021 year end
Dec 21
1st – New Advisory Fuel Rates (AFR) for company car users
1st – Due date for payment of Corporation Tax for period ended 28th February 2021
7th – Deadline for VAT Returns and payments of Accounting Quarter period ending 31st October 2021
14th – Due date for Corporation Tax quarterly instalment for large companies with February, May, August or November Year Ends
19th – Monthly deadline for postal payments of CIS, NICs and PAYE to HMRC
22nd – Monthly deadline for electronic remittance of CIS, NICs and PAYE to HMRC
31st – Due date to file Corporation Tax for companies with 31st December 2020 year end
31st – Due date to file company accounts with Companies House for Limited Companies with 31st March 2021 year end
Jan 22
1st – Due date for payment of Corporation Tax for period ended 31st March 2021
7th – Deadline for VAT Returns and payments of Accounting Quarter period ending 30th November 2021
14th – Income Tax due date for CT61 period to 31st December 2021
14th – Due date for Corporation Tax quarterly instalment for large companies with March, June, September or December Year Ends
19th – Monthly deadline for postal payments of CIS, NICs and PAYE to HMRC
19th - Postal deadline PAYE quarterly payments are due for small employers for periods 6th October 2021 to 5th January 2022
22nd – Electronic deadline PAYE quarterly payments are due for small employers for periods 6th October 2021 to 5th January 2022
22nd – Monthly deadline for electronic remittance of CIS, NICs and PAYE to HMRC
31st – Deadline for filing Self Assessment Tax Returns for tax year ended 5th April 2021 and 2020/2021 Capital Gains Tax
31st – Balancing payment of tax due for 2019-2020 and first Payment on Account for Income Tax for 2021/2022
31st – Due date to file Corporation Tax for companies with 31st January 2021 year end
31st – Due date to file company accounts with Companies House for Limited Companies with 30th April 2021 year end
Feb 22
1st – Due date for payment of Corporation Tax for period ended 30th April 2021
2nd – Deadline for submitting P46 (Car) for quarter ending 5th January 2022
7th – Deadline for VAT Returns and payments of Accounting Quarter period ending 31st December 2021
14th – Due date for Corporation Tax quarterly instalment for large companies with January, April, July or October Year Ends
19th – Monthly deadline for postal payments of CIS, NICs and PAYE to HMRC
22nd – Monthly deadline for electronic remittance of CIS, NICs and PAYE to HMRC
28th – Due date to file Corporation Tax for companies with 28th February 2021 year end
28th – Due date to file company accounts with Companies House for Limited Companies with 31st May 2021 year end
March 22
1st – New Advisory Fuel Rates (AFR) for company car users
1st – Due date for payment of Corporation Tax for period ended 31st May 2021
7th – Deadline for VAT Returns and payments of Accounting Quarter period ending 31st January 2022
14th – Due date for Corporation Tax quarterly instalment for large companies with year end 31st March 2021 and 31st December 2021
19th – Monthly deadline for postal payments of CIS, NICs and PAYE to HMRC
22nd – Monthly deadline for electronic remittance of CIS, NICs and PAYE to HMRC
31st – Corporation Tax Returns filed by companies with 31st March 2021 as year end
31st – Due date to file company accounts with Companies House for Limited Companies with 30th June 2021 year end
April 22
1 April 2022– 2022 financial year begins
5 April 2022 – 2021/22 tax year ends
6 April 2022 – 2022/22 tax year begins
19th - Postal deadline PAYE quarterly payments are due for small employers for periods 6th January 2022 to 5th April 2022
22nd – Electronic deadline PAYE quarterly payments are due for small employers for periods 6th January 2022 to 5th April 2022
30th – Due date to file company accounts with Companies House for Limited Companies with 31st July 2021 year end

Never miss a deadline.
For a free consultation contact us today on 01420 541 554. Our team of accountants will help ensure you never miss a deadline.