Company accounts filing deadline
Deadline for filing your financial statements/accounts with Companies House is 9 months after the period end.
CT61
End of CT61 quarterly period.
Corporation tax return
Filing deadline for corporation tax return self-assessment form CT600 for period ended 30 September 2016 to be submitted to HMRC.
Electronic monthly PAYE/class 1 NICs/student loan payment
If paying electronically, pay PAYE, class 1 NICs, student loan deductions and deductions from payments to subcontractors for the month up to the 5th of this month.
Intrastat
Due date for payment of supplementary declarations for August 2017.