Tax diary
1 September 2018 - Due date for Corporation Tax due for the year ended 30 November 2017.
19 September 2018 - PAYE and NIC deductions due for month ended 5 September 2018. (If you pay your tax electronically the due date is 22 September 2018)
19 September 2018 - Filing deadline for the CIS300 monthly return for the month ended 5 September 2018.
19 September 2018 - CIS tax deducted for the month ended 5 September 2018 is payable by today.