| Date | What’s Due |
| 1 September | Corporation Tax for year to 30/11/2025, unless quarterly instalments apply |
| 19 September | PAYE & NIC deductions, and CIS return and tax, for month to 05/09/2026 (due 22 September if you pay electronically) |
| 1 October | Corporation Tax for year to 31/12/2025, unless quarterly instalments apply |
| 19 October | PAYE & NIC deductions, and CIS return and tax, for month to 05/10/2026 (due 22 October if you pay electronically)
These are also the due dates for Class 1B NICs due under PAYE Settlement Agreements. |
| 28 October | Chancellor John Healey delivers Autumn Budget 2026 |
not all accountants are grey...
signup to our newsletter
