Company accounts filing deadline
Deadline for filing your company tax return is 12 months after your accounting period for corporation tax ends, unless Companies House grants a discretionary three-month extension.
Monthly electronic 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.
Quarterly electronic PAYE/class 1 NICs payment
Q4 (2019/20) PAYE/NIC payment due in order to avoid an automatic interest charge.
CIS return
Construction Industry Scheme: monthly return due for period up to 5th of previous month.
Quarterly postal PAYE/class 1 NICs payment
Q4 (2019/20) PAYE/NIC payment due where paid by cheque. The cheque must be with HMRC by this date in order to avoid automatic interest charge.