Corporation Tax Return


Who Needs to Pay Corporation Tax?


UK-registered limited companies must pay corporation tax on their profits. Non-UK companies may also be liable if they operate, manage, or own substantial business activity within the UK.


Filing a Corporation Tax Return


All active companies must file a corporation tax return with HMRC annually. There are various reliefs available to reduce your tax liability and improve your financial strategy.


How Marsal Accountants Can Help


We offer tailored corporation tax support to help you stay compliant and focused on growth. With client-facing hours of experience, our team ensures your tax affairs are handled efficiently and accurately — so you can make confident decisions without distractions.


Our Corporation Tax Services Include


  • Preparation and submission of digital tax returns and computations
  • Calculation of tax provisions for your accounts
  • Conversion of accounts into iXBRL format for HMRC submission
  • Compliance with corporation tax self-assessment rules
  • Advice on payment timing and tax planning
  • Tax-efficient remuneration strategies
  • Capital allowances reviews (AIA, ECA)
  • Support with R&D Tax Relief and R&D tax credit claims

Corporation Tax Rates


As of April 2023, the UK Corporation Tax main rate is 25% for profits over £250,000. A small profits rate of 19% applies to profits up to £50,000, with marginal relief between the two thresholds.


Why Choose Marsal Accountants


We combine precision, transparency, and strategic insight to help you stay compliant and minimise your tax liabilities. Contact us today for personalised advice tailored to your business.


Click here to view our fees for Accounts and Corporation Tax services.

Contact Us


Call us on 074-6864-1272 or E-mail us at info@marsalaccountants.co.uk. We’ll be happy to assist you with your Corporation Tax Return.