Specialist Tax News

Diary of main tax events May / June 2026

Date What’s Due
1 May Corporation Tax for year to 31/07/2025, unless quarterly instalments apply
19 May PAYE & NIC deductions, and CIS return and tax, for month to 05/05/2026 (due 22 May if you pay electronically)
1 June Corporation Tax for year to 31/08/2025, unless quarterly instalments apply
19 June PAYE & NIC deductions, and CIS return and tax, for month to 05/06/2026 (due 22 June if you pay electronically)