1 May 2025 – Due date for corporation tax due for the year ended 30 July 2024.
19 May 2025 – PAYE and NIC deductions due for month ended 5 May 2025. (If you pay your tax electronically the due date is 22 May 2025).
19 May 2025 – Filing deadline for the CIS300 monthly return for the month ended 5 May 2025.
19 May 2025 – CIS tax deducted for the month ended 5 May 2025 is payable by today.
31 May 2025 – Ensure all employees have been given their P60s for the 2024/25 tax year.
1 June 2025 – Due date for corporation tax due for the year ended 31 August 2024.
19 June 2025 – PAYE and NIC deductions due for month ended 5 June 2025. (If you pay your tax electronically the due date is 22 June 2025).
19 June 2025 – Filing deadline for the CIS300 monthly return for the month ended 5 June 2025.
19 June 2025 – CIS tax deducted for the month ended 5 June 2025 is payable by today.
Source:HM Revenue & Customs | 09-04-2025
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.