6th April – The start of the 2024-2025 tax year
7th April – Deadline for VAT returns and payments of the accounting quarter period ending 28 February 2024
19th April – Monthly deadlines for postal payments of CIS, NICs and PAYE to HMRC
22nd April – Monthly deadline for electronic remittance of CIS, NICs and PAYE to HMRC
30th April – The due date for payment of Corporation Tax for period ended 31 July 2023