1 February 2018 – Due date for corporation tax payable for the year ended 30 April 2017.

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

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

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

1 March 2018 – Due date for corporation tax due for the year ended 31 May 2017.

2 March 2018 – Self assessment tax for 2016/17 paid after this date will incur a 5% surcharge.

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

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

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