Corporation Tax

This is a key tax return for UK limited companies, outlining financial details such as P&L and Balance sheet. It calculates corporation tax owed to HMRC which is currently 25% (previously 19%) of the net profit, Ensuring compliance and the timely and accurate submission to HMRC is essential to meet law standards and avoid fines.

If you have a UK-limited company, you'd probably know the importance of submitting your corporate tax return within 12 months. But, did you know? You have 9 months following the end of your company's accounting period to file and pay. That's where Affotax comes in to ease your burden. We can help you file and stay compliant with HMRC, ensuring timely submission. 


The basic package is designed to support UK businesses with company tax return preparation and online submission with HMRC. Ideal for companies having Turnover < £25K.

Package includes:

  • Prepare tax return documentations
  • Tax calculations & claim allowances
  • Online Submission to HMRC



This is for companies having a Turnover > £25K. It includes everything from the basic.



This is Ideal for businesses seeking essential tax planning to reduce their corporation tax bill, and accurate filing with HMRC.

Bundle includes:

  • Everything in the above packages
  • Tax planning


Benefits of Our Corporation Tax (CT600) Services ✨🔍:

📊 Easy filing: Easily submit your corporate tax online and explore a safe and time-saving process that can take away the bane of your life.

🔒 The best data security: With our secure online submission platform, you can be sure that your private financial information is protected and in good hands.

📋 Precision in compliance: Our professional management of online submissions will improve your peace of mind by ensuring that your files are accurate, thorough, and compliant with the strict rules and regulations.

🗣️ Guidance at your fingertips: Gain exclusive access to our dedicated support team, ready to provide expert guidance and assistance at every step of your online submission journey.

⏱️ Time is money, we save both: By giving us the responsibility of handling your corporation tax online filing, you can maximise your resources and free up time to concentrate on your company's goals.

Send us a message right away! 🚀📈


1. What is the CT600 form?

As a business owner in the UK, it is important to file your company financials, including the completion and submission to HMRC. It requires you to detail your company's financial activities, deductions, and profits to calculate the amount of profit tax owed.

2. Who needs to file? 

If you're wondering who needs to file; it is limited companies registered in the UK who are required to do so. Regardless of whether they are trading or non-trading, this applies to both profitable and unprofitable companies.

3. What is the deadline for it?

It's essential to meet the submission deadline to avoid penalties and ensure compliance. The submission deadline is usually within 12 months of the company's accounting period. 

4. What is the corporation tax rate in the UK?

Starting on April 1, 2023, the primary rate will be 25% (it was previously 19% in the previous financial year).

5. What information is required in the CT600?

It requires detailed financial information, such as profits, expenses, deductions, and other relevant financial data. For a correct assessment, accurate and comprehensive reporting is essential.

6. Can I file on my own?

While you can prepare and file on your own, it can be a complex process that involves understanding regulations and accurate financial reporting. Many businesses choose professional assistance to ensure compliance and minimise errors.

7. Do you need an accountant for it?

When it comes to corporate tax filings, you will undoubtedly need the assistance of a professional accountant or CPA because there are an infinite number of options, questions, and checks and balances that you must carefully review. 

8. How can your services help my business?

At Affotax, we offer expert assistance in preparing and filing your  returns with our affordable packages. We ensure accurate calculations, compliance with regulations, and timely submission, allowing you to focus on your core business activities.

9. How do I get started with your services?

To get started with our services, choose the package that suits your needs and follow the instructions to purchase. Our experienced staff will walk you through the procedure and make sure your profit levy is taken care of immediately.

If you have any personalised guidance or additional inquiries about our service, please don't hesitate to contact us. 

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