1 September 2023 – Due date for corporation tax due for the year ended 30 November 2022.
19 September 2023 – PAYE and NIC deductions due for month ended 5 September 2023. (If you pay your tax electronically the due date is 22 September 2023)
19 September 2023 – Filing deadline for the CIS300 monthly return for the month ended 5 September 2023.
19 September 2023 – CIS tax deducted for the month ended 5 September 2023 is payable by today.
1 October 2023 – Due date for Corporation Tax due for the year ended 31 December 2022.
19 October 2023 – PAYE and NIC deductions due for month ended 5 October 2023. (If you pay your tax electronically the due date is 22 October 2023.)
19 October 2023 – Filing deadline for the CIS300 monthly return for the month ended 5 October 2023.
19 October 2023 – CIS tax deducted for the month ended 5 October 2023 is payable by today.
31 October 2023 – Latest date you can file a paper version of your 2022-23 self-assessment tax return.
Source:HM Revenue & Customs| 13-08-2023
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.
