1 November 2018 – Due date for Corporation Tax due for the year ended 31 January 2018.

19 November 2018 – PAYE and NIC deductions due for month ended 5 November 2018. (If you pay your tax electronically the due date is 22 November 2018.)

19 November 2018 – Filing deadline for the CIS300 monthly return for the month ended 5 November 2018.

19 November 2018 – CIS tax deducted for the month ended 5 November 2018 is payable by today.

1 December 2018 – Due date for Corporation Tax due for the year ended 29 February 2018.

19 December 2018 – PAYE and NIC deductions due for month ended 5 December 2018. (If you pay your tax electronically the due date is 22 December 2018)

19 December 2018 – Filing deadline for the CIS300 monthly return for the month ended 5 December 2018.

19 December 2018 – CIS tax deducted for the month ended 5 December 2018 is payable by today.

30 December 2018 – Deadline for filing 2017-18 self assessment tax returns online to include a claim for under payments to be collected via tax code in 2019-20.

1 October 2018 – Due date for Corporation Tax due for the year ended 31 December 2017.

19 October 2018 – PAYE and NIC deductions due for month ended 5 October 2018. (If you pay your tax electronically the due date is 22 October 2018.)

19 October 2018 – Filing deadline for the CIS300 monthly return for the month ended 5 October 2018.

19 October 2018 – CIS tax deducted for the month ended 5 October 2018 is payable by today.

31 October 2018 – Latest date you can file a paper version of your 2018 self-assessment tax return.

1 November 2018 – Due date for Corporation Tax due for the year ended 31 January 2018.

19 November 2018 – PAYE and NIC deductions due for month ended 5 November 2018. (If you pay your tax electronically the due date is 22 November 2018.)

19 November 2018 – Filing deadline for the CIS300 monthly return for the month ended 5 November 2018.

19 November 2018 – CIS tax deducted for the month ended 5 November 2018 is payable by today.

1 July 2018 – Due date for corporation tax due for the year ended 30 September 2017.

6 July 2018 – Complete and submit forms P11D return of benefits and expenses and P11D(b) return of Class 1A NICs.

19 July 2018 – Pay Class 1A NICs (by the 22 July 2018 if paid electronically).

19 July 2018 – PAYE and NIC deductions due for month ended 5 July 2018. (If you pay your tax electronically the due date is 22 July 2018)

19 July 2018 – Filing deadline for the CIS300 monthly return for the month ended 5 July 2018.

19 July 2018 – CIS tax deducted for the month ended 5 July 2018 is payable by today.

31 July 2018 – Deadline for payment of second instalment self-assessment for 2017-18.

1 August 2018 – Due date for corporation tax due for the year ended 31 October 2017.

19 August 2018 – PAYE and NIC deductions due for month ended 5 August 2018. (If you pay your tax electronically the due date is 22 August 2018)

19 August 2018 – Filing deadline for the CIS300 monthly return for the month ended 5 August 2018.

19 August 2018 – CIS tax deducted for the month ended 5 August 2018 is payable by today.

1 May 2018 – Due date for corporation tax due for the year ended 30 July 2017.

19 May 2018 – PAYE and NIC deductions due for month ended 5 May 2018. (If you pay your tax electronically the due date is 22 May 2018)

19 May 2018 – Filing deadline for the CIS300 monthly return for the month ended 5 May 2018.

19 May 2018 – CIS tax deducted for the month ended 5 May 2018 is payable by today.

31 May 2018 – Ensure all employees have been given their P60s for the 2017-18 tax year.

1 June 2018 – Due date for corporation tax due for the year ended 31 August 2017.

19 June 2018 – PAYE and NIC deductions due for month ended 5 June 2018. (If you pay your tax electronically the due date is 22 June 2018)

19 June 2018 – Filing deadline for the CIS300 monthly return for the month ended 5 June 2018.

19 June 2018 – CIS tax deducted for the month ended 5 June 2018 is payable by today.