October Key Dates
Newsletter issue – October 2026
1st
- Corporation Tax payments are due for companies with a year-end of 31st December.
19th
- For employers operating PAYE, this is the deadline to send an Employer Payment Summary (EPS) to claim any reduction on what you'll owe HMRC. It is also the deadline for employers operating PAYE to pay HMRC by post, for September.
22nd
- Deadline for employers operating PAYE to pay HMRC electronically, for September.
31st
- Corporation Tax Returns (CT600 form) are due for companies with a year-end of 31st October.