Key Tax Deadlines – June & July 2026
02 Jun, 20261 minuteA number of important tax deadlines are coming up in June and July that you may need to be a...
A number of important tax deadlines are coming up in June and July that you may need to be aware of to avoid incurring any penalties.
Have a look at our ‘dates for your diary’ below to see which dates may apply to you:
Date | What’s Due |
1 June | Corporation Tax for the year to 31/08/2025 (unless quarterly instalments apply) |
19 June | PAYE & NIC deductions and CIS return and tax, for the month to 05/06/2026 (due 22/06/2026 if you pay electronically) |
1 July | Corporation Tax for the year to 30/09/2025 (unless quarterly instalments apply) |
6 July | P11d and P11d (b) forms for 2025/26 |
6 July | Employment Related Securities (ERS) annual returns |
19 July | PAYE & NIC deductions and CIS return and tax, for the month to 05/07/2026 (due 22/07/2026 if you pay electronically) |
19 July | Class 1A NIC on benefits in kind (due 22/07/2026 if you pay electronically) |
31 July | Due date for the second self-assessment payment on account for 2025/26 (if applicable) |
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