9th October 2025
Please find below our diary of main tax events for September/October 2025. Any questions do not hesitate to get in touch with us.
Date What is due
01-Sept Corporation tax payment for year to 31/11/24 (unless quarterly instalments apply).
19-Sept PAYE & NIC deductions, and CIS return and tax, for month to 05/09/25.
01-Oct Corporation tax payment for year to 31/12/24 (unless quarterly instalments apply).
19-Oct PAYE & NIC deductions, and CIS return and tax, for month to 5/10/25.