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Corporation Tax Guide for UK Business

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Corporation Tax Services

Our Corporation Tax services ensure your business remains fully compliant with HMRC requirements while making the entire process straightforward and efficient. We support businesses of all sizes by managing tax obligations through accurate calculations, identifying available reliefs, and claiming all eligible allowances. Our goal is not only to simplify your tax affairs but also to support your business’s long-term growth.

Purpose of Paying Corporation Tax

Companies are legally obligated to file Corporation Tax returns with HMRC to report their annual profits, investment income, and chargeable gains. This process ensures that enterprises pay the correct amount of tax on their taxable profits and comply with UK tax legislation. Failure to submit a Corporation Tax return may lead to penalties, interest charges, and additional measures from HMRC. Submission that is both timely and accurate reflects transparency and aids in preserving your company’s good standing with regulatory authorities.

Please take a look at the HMRC Corporation Tax overview.

Who Is Liable for Corporation Tax?

Corporation Tax must be paid by:

  • Limited companies
  • Branches or offices of foreign companies in the UK
  • Certain associations, such as cooperatives or clubs

UK-resident companies are taxed on their worldwide profits. Foreign companies are taxed only on profits arising from their UK operations.

If your business fits any of these categories, you are responsible for paying Corporation Tax by the set deadline to avoid penalties and interest.

How Infinity Group Can Help You

  • HMRC Registration: We handle registering your business for Corporation Tax, ensuring compliance from the start.
  • Accurate CT600 Filing: Our experts thoroughly review your company’s accounts to accurately determine taxable profits and apply every eligible deduction and allowance. We file your CT600 promptly to help you avoid penalties.
  • Maximising Reliefs and Allowances: We reduce your tax bill by securing all relevant HMRC reliefs, such as:
    • • Capital allowances on qualifying assets
    • • Research and Development (R&D) tax credits
    • • Carried forward loss reliefs
    • • Industry-specific exemptions
  • Deadline Management: We carefully monitor deadlines to help prevent penalties and safeguard your business from unnecessary costs.
  • Strategic Tax Planning: Our tax specialists create tailored strategies to optimise your tax efficiency and support your business—whether you’re growing, restructuring, or acquiring assets.
  • Consultancy for Complex Transactions: Whether you’re acquiring, disposing, seeking funding, or planning succession, we provide insightful, detailed tax advice to help you make confident decisions.
  • Complete HMRC Liaison: We manage all communication with HMRC, resolve queries on your behalf, and ensure repayments or refunds are processed efficiently so you can stay focused on running your business.

Important Requirements for the Company’s Tax Compliance.

Accurate and timely submission necessitates the following information:

  • • Unique Taxpayer Reference issued by HMRC upon registration for Corporation Tax.
    • Annual accounts and financial statements, including balance sheets and profit and loss statements.
    • Details of trade and investment activities, encompassing all taxable gains.
    • Evidence of reliefs and allowances, including Research and Development Relief, capital allowances, and additional losses carried forward.
    • Documentation of deductible expenses, such as salaries, pensions, and business costs.
    • Details of the accounting period to ensure correct submission of CT600.
    For official guidance, please refer to the procedures for filing a Company Tax Return with HMRC.Evidence of relief and allowance including Research and Development Relief, capital allowance, and additional losses carried forward.

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Additional Services

We also offer a comprehensive Corporation Tax service that encompasses the following:
• Maintaining up-to-date records of your authorised representatives and Business Tax Account with HMRC.
• Updating business details, including directors, registered office, or trading address.
Ensuring all updates are precise and align with the latest HMRC guidelines, while providing proactive advice on new legislation and developments.

Contact Us

If you have any questions about contracting with Infinity, contact our team, who will talk you through the setup process, answer any questions you may have or arrange an appointment to discuss our services further.

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