Specialist Tax News

Diary of main tax events November / December 2025

Date What’s Due
1 November Corporation Tax for year to 31/01/2025, unless quarterly instalments apply
19 November PAYE & NIC deductions, and CIS return and tax, for month to 05/11/2025 (due 22/11 if you pay electronically)
1 December Corporation Tax for year to 28/02/2025, unless quarterly instalments apply
19 December PAYE & NIC deductions, and CIS return and tax, for month to 05/12/2025 (due 22/12 if you pay electronically)
30 December Deadline for filing 2024/25 tax return online if you wish to request that HMRC collect outstanding tax via your PAYE tax code.