Tax Diary February/March 2025

1 February 2025 – Due date for Corporation Tax payable for the year ended 30 April 2024.

19 February 2025 – PAYE and NIC deductions due for month ended 5 February 2025. (If you pay your tax electronically the due date is 22 February 2025)

19 February 2025 – Filing deadline for the CIS300 monthly return for the month ended 5 February 2025.

19 February 2025 – CIS tax deducted for the month ended 5 February 2025 is payable by today.

1 March 2025 – Due date for Corporation Tax due for the year ended 31 May 2024.

2 March 2025 – Self-Assessment tax for 2023-24 paid after this date will incur a 5% surcharge unless liabilities are cleared by 1 April 2025, or an agreement has been reached with HMRC under their time to pay facility by the same date.

19 March 2025 – PAYE and NIC deductions due for month ended 5 March 2025 (If you pay your tax electronically the due date is 22 March 2025).

19 March 2025 – Filing deadline for the CIS300 monthly return for the month ended 5 March 2025.

19 March 2025 – CIS tax deducted for the month ended 5 March 2025 is payable by today.

CIGMA Accounting

CIGMA Accounting Ltd is a forward-thinking accounting and tax firm based in London, dedicated to delivering high-quality compliance, tax planning, and business advisory services to entrepreneurs, landlords, and growing SMEs. With offices in Wimbledon and Farringdon, we combine local expertise with a tech-driven approach to simplify accounting. Our services include corporation tax filing, VAT compliance, HMRC investigation support, R&D tax credit claims, capital allowances optimisation, and bookkeeping automation. What sets CIGMA apart is our ability to blend traditional accounting rigour with AI-powered systems that reduce errors, save time, and provide real-time financial insights. Our team ensures that every client - from startups to high-net-worth individuals - receives a bespoke solution aligned with their growth goals. Whether you need strategic tax planning, help with HMRC disclosures, or a full outsourced finance function, CIGMA Accounting delivers clarity, compliance, and confidence.

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