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| January 2026 | |
| 01 | - Corporation Tax payments are due for companies with a year-end of 31st March |
| 19 | - For employers operating PAYE, this is the deadline to send an Employer Payment Summary (EPS) to claim any reduction on what youll owe HMRC. - It is also the deadline for employers operating PAYE to pay HMRC by post, for December. |
| 22 | - Deadline for employers operating PAYE to pay HMRC electronically, for December. |
| 31 | - Corporation Tax Returns (CT600 form) are due for companies with a year-end of 31st January. - It is also the deadline to submit your online self-assessment tax return (if you are required to do one) for the tax year ended 5th April 2025, and to pay HMRC any tax owed. |
| February 2026 | |
| 01 | - Corporation Tax payments are due for companies with a year-end of 30th April |
| 19 | -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 January. |
| 22 | - Deadline for employers operating PAYE to pay HMRC electronically, for January. |
| 28 | - Corporation Tax Returns (CT600 form) are due for companies with a year-end of 28th February. |
| March 2026 | |
| April 2026 | |
| May 2026 | |
