Tax Diary May/June 2026

1 May 2026 – Due date for corporation tax due for the year ended 30 July 2025.

19 May 2026 – PAYE and NIC deductions due for month ended 5 May 2026. (If you pay your tax electronically the due date is 22 May 2026).

19 May 2026 – Filing deadline for the CIS300 monthly return for the month ended 5 May 2026. 

19 May 2026 – CIS tax deducted for the month ended 5 May 2026 is payable by today.

31 May 2026 – Ensure all employees have been given their P60s for the 2025/26 tax year.

1 June 2026 – Due date for corporation tax due for the year ended 31 August 2025.

19 June 2026 – PAYE and NIC deductions due for month ended 5 June 2026. (If you pay your tax electronically the due date is 22 June 2026).

19 June 2026 – Filing deadline for the CIS300 monthly return for the month ended 5 June 2024. 

19 June 2026 – CIS tax deducted for the month ended 5 June 2026 is payable by today.

All Finance News

Filing obligations for private limited companies

Those responsible for the accounts and tax compliance of private limited companies must ensure they are fully aware of the relevant obligations and statutory deadlines. Following the end of each financial year, a private limited company is required to prepare full annual accounts and submit a

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Tax relief when incorporating a business

When a sole trader or partnership transfers a business to a company, a chargeable gain may arise. This is calculated by reference to the market value of the business assets at the date of incorporation (including goodwill), compared with their original base cost. The resulting gain would ordinarily

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