1 July 2016 - Due date for Corporation Tax due for the year ended 30 September 2015.

 6 July 2016 - Complete and submit forms P11D return of benefits and expenses and P11D(b) return of Class 1A NICs, and give copies of the information to your employees.

 19 July 2016 - Pay Class 1A NICs (by the 22 July 2016 if paid electronically).

 19 July 2016 - PAYE and NIC deductions due for month ended 5 July 2016. (If you pay your tax electronically the due date is 22 July 2016)

 19 July 2016 - Filing deadline for the CIS300 monthly return for the month ended 5 July 2016.

 19 July 2016 - CIS tax deducted for the month ended 5 July 2016 is payable by today.

 1 August 2016 - Due date for Corporation Tax due for the year ended 31 October 2015.

 19 August 2016 - PAYE and NIC deductions due for month ended 5 August 2016. (If you pay your tax electronically the due date is 22 August 2016)

 19 August 2016 - Filing deadline for the CIS300 monthly return for the month ended 5 August 2016.

 19 August 2016 - CIS tax deducted for the month ended 5 August 2016 is payable by today.