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.
