Tax Diary April/May 2026
Key tax dates and deadlines for April and May 2026, including Corporation Tax and PAYE deadlines.
1 April 2026 – Due date for corporation tax due for the year ended 30 June 2025.
19 April 2026 – PAYE and NIC deductions due for month ended 5 April 2026. (If you pay your tax electronically the due date is 22 April 2026).
19 April 2026 – Filing deadline for the CIS300 monthly return for the month ended 5 April 2026.
1 May 2026 – Due date for corporation tax due for the year ended 30 July 2025.
Disclaimer
The information contained in this article is for general guidance on matters of interest only. It should not be used as a substitute for consultation with professional accounting, tax, legal, or other competent advisers. Before making any decision or taking any action, you should consult a Kingscott Dix professional.