1 April 2018 – Due date for corporation tax due for the year ended 30 June 2017.

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

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

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

30 April 2018 – 2016-17 tax returns filed after this date will be subject to an additional £10 per day late filing penalty.

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.