Corporation Tax In UK

Corporation tax is a fundamental component of the UK’s tax structure, impacting businesses of all sizes. It’s essential for companies to understand their obligations and responsibilities regarding corporation tax submission to HMRC. This comprehensive guide delves into the intricacies of corporation tax, covering its basics, submission process, and important considerations. Whether you’re a business owner, accountant, or simply seeking to understand the corporate tax landscape, this article aims to provide valuable insights into corporation tax in the UK.

What Is Corporation Tax and Who Is Subject to It?

Corporation tax is a tax imposed on the profits of limited companies, foreign companies with a UK presence, and certain organizations. It contributes to the UK’s revenue and funds public services.

How Is Corporation Tax Calculated?

Corporation tax is calculated based on a company’s taxable profits, taking into account allowable expenses, deductions, and reliefs.

What Is Corporation Tax Rate in the UK?

The corporation tax rate is set by the government and can vary based on the company’s profits and financial year.

What Are the Key Dates for Corporation Tax Submission?

Companies need to meet specific deadlines for submitting their corporation tax returns and paying any tax owed.

How to Register for Corporation Tax with HMRC?

Newly incorporated companies need to register for corporation tax within three months of starting business activities.

How to Register for Corporation Tax with HMRC

What Information Is Required for Corporation Tax Submission?

Companies must provide financial statements, tax computations, and other relevant documents to complete their corporation tax return.

How to Submit Corporation Tax Return to HMRC?

The corporation tax return can be filed online using HMRC’s dedicated software or through third-party accounting software.

What Are the Penalties for Late Corporation Tax Submission?

Late submission of corporation tax returns can lead to penalties, which increase over time.

How Can Companies Reduce Their Corporation Tax Liability?

Utilizing allowable expenses, deductions, and reliefs can help companies legally minimize their corporation tax liability.

What Is Group Relief and How Does It Work?

Group relief allows companies within the same group to offset losses against profits, reducing the overall tax liability.

What Is Group Relief and How Does It Work

What Is Research and Development (R&D) Tax Relief?

R&D tax relief encourages innovation by providing tax benefits to companies engaged in qualifying R&D activities.

How Does Corporation Tax Payment Work?

Companies must make corporation tax payments within nine months and one day of the end of their accounting period.

What Is the Diverted Profits Tax (DPT)?

The DPT is aimed at preventing multinational companies from artificially diverting profits away from the UK to lower-tax jurisdictions.

How to Deal with Corporation Tax Enquiries and Investigations?

HMRC may initiate enquiries or investigations into a company’s tax affairs, and businesses should be prepared to cooperate and provide necessary information.

How Can Businesses Stay Compliant with Corporation Tax Regulations?

Maintaining accurate financial records, staying updated on tax laws, and seeking professional advice can help businesses remain compliant.

Also read: Corporation Tax Reference Number

How Can Businesses Stay Compliant with Corporation Tax Regulations

What Are the Consequences of Non-Compliance with Corporation Tax?

Non-compliance with corporation tax regulations can result in financial penalties, legal action, and damage to a company’s reputation.

How Can Businesses Plan Ahead for Corporation Tax Payments?

Companies can implement effective tax planning strategies to manage their cash flow and meet their corporation tax obligations.


Navigating the complexities of corporation tax in the UK is vital for businesses to remain compliant and fulfill their tax obligations. Understanding the submission process, deadlines, reliefs, and potential penalties is essential to ensuring a smooth and lawful corporate tax experience. By staying informed, seeking professional guidance, and maintaining accurate financial records, companies can successfully manage their corporation tax responsibilities and contribute to the country’s fiscal stability while focusing on their growth and success

DISCLAIMER: We have written the UK accounting and tax related details for your information only. For professional advice or for any accounting task you require, you may need to speak to a professional accountant near you who can assist you. Please read our disclaimer for more details.