
| Date | What’s Due |
| 1 January | Corporation Tax for year to 31/03/2025, unless quarterly instalments apply |
| 19 January | PAYE & NIC deductions, and CIS return and tax, for month to 05/01/2026 (due 22/01 if you pay electronically) |
| 31 January | Deadline for filing 2024/25 self-assessment tax return online and paying your outstanding tax for 2024/25 and first payment on account of 2025/26 tax |
| 1 February | Corporation Tax for year to 30/04/2025, unless quarterly instalments apply |
| 19 February | PAYE & NIC deductions, and CIS return and tax, for month to 05/02/2026 (due 22/02 if you pay electronically) |









