Corporate Tax Return Preparation Services

Expert Corporate Tax Compliance for UK Limited Companies

Running a company in the UK comes with many responsibilities, and one of the most critical is meeting your corporate tax obligations accurately and on time.

Corporate tax return preparation is not just about submitting numbers to HMRC — it is about compliance, strategic planning, risk management, and protecting the financial health of your business.

At Gupta Accountants, we provide professional, end-to-end corporate tax return preparation services for UK limited companies across all industries. Our goal is simple to ensure your corporation tax returns are prepared accurately, filed on time, and structured in a tax-efficient way while remaining fully compliant with HMRC regulations.

Whether you are a small owner-managed company, a growing SME, or a well-established corporate entity, our experienced tax specialists handle the complexity so you can focus on running and growing your business with confidence.

What Is a Corporate Tax Return?

corporate tax return, also known as a Company Tax Return (CT600), is the official document that UK limited companies must submit to HM Revenue & Customs (HMRC) to report:

• Company profits or losses

• Corporation tax liability

• Allowable expenses and reliefs

• Capital allowances

• Adjustments to accounting profit

• Group relief or losses carried forward

• The return must be filed within 12 months of the end of your accounting period, while the corporation tax payment is usually due 9 months and 1 day after the accounting period ends.

Failure to prepare and submit accurate corporate tax returns can lead to:

• Financial penalties

• Late filing fines

• Interest on unpaid tax

• HMRC enquiries or investigations

• Damage to your company’s reputation

• This is why working with a qualified and proactive tax accountant is essential.

Why Corporate Tax Return Preparation Is Complex

Corporate tax in the UK is constantly evolving. Changes in tax rates, allowances, reliefs, and compliance rules mean that preparing a corporate tax return is far more complex than simply reporting profits.

Some common challenges businesses face include:

• Understanding allowable and disallowable expenses

• Applying capital allowances correctly

• Managing losses and reliefs efficiently

• Ensuring compliance with HMRC filing requirements

• Reconciling statutory accounts with tax computations

• Avoiding costly errors or Comissions

• At Gupta Accountants, we stay fully up to date with UK tax legislation, ensuring your corporate tax return is not only accurate but optimised within the law.

Our Corporate Tax Return Preparation Services

We offer a comprehensive corporate tax return preparation service, covering every aspect of the process from initial review to final submission.

Review of Company Financial Statements

We begin by carefully reviewing your company’s statutory accounts, including:

• Profit and loss statements

• Balance sheets

• Supporting financial records

• Adjustments made during the accounting period

This ensures the figures used for tax purposes are complete, consistent, and compliant.

Preparation of Corporation Tax Computations

Our tax specialists prepare detailed and accurate corporation tax computations, adjusting accounting profit to arrive at taxable profit. This includes:

• Adding back disallowable expenses

• Claiming allowable deductions

• Applying capital allowances

• Calculating reliefs and exemptions

• Managing brought-forward or carried-forward losses

• Every calculation is double-checked for accuracy and compliance.

Completion of CT600 Tax Return

We prepare and complete your CT600 corporate tax return, ensuring:

• All required sections are correctly completed

• Supporting schedules are attached

• Figures reconcile with statutory accounts

• HMRC disclosure requirements are met

• We handle the technical details so you don’t have to.

Online Submission to HMRC

Once approved by you, we submit your corporate tax return electronically to HMRC, ensuring:

• Compliance with digital filing requirements

• Confirmation of successful submission

• Secure record-keeping for future reference

• You’ll receive peace of mind knowing your return has been filed correctly and on time.

Corporation Tax Payment Guidance

We provide clear guidance on:

• How much corporation tax is due

• Payment deadlines

• Accepted payment methods

• Cash flow planning for tax payments

• Our goal is to help you avoid late payment penalties and interest.

Who We Help

Our corporate tax return preparation services are tailored for:

• UK limited companies

• Owner-managed businesses

• Small and medium-sized enterprises (SMEs)

• Startups and growing companies
  Established corporations

• Group companies and subsidiaries

• No matter the size or complexity of your business, we adapt our approach to suit your specific needs.

Benefits of Using Gupta Accountants

Accuracy and Compliance

• We ensure your corporate tax return is prepared accurately and in line with the latest HMRC rules, reducing the risk of penalties or investigations.

Tax Efficiency

• Our proactive approach helps identify legitimate tax reliefs and allowances to minimise your corporation tax liability while staying fully compliant.

Time Savings

• Corporate tax preparation is time-consuming and technical. By outsourcing it to us, you free up valuable time to focus on growing your business.

Reduced Risk of HMRC Enquiries

• Well-prepared and transparent tax returns reduce the likelihood of HMRC enquiries and challenges.

Expert Support and Advice

• You gain access to experienced tax professionals who understand UK corporate taxation inside and out.

Common Corporate Tax Mistakes We Help You Avoid

Many companies unknowingly make costly mistakes when preparing their own tax returns, such as:

• Claiming disallowed expenses

• Missing capital allowance claims

• Incorrect loss utilisation

• Late submissions

• Inconsistent figures between accounts and tax returns

• Poor record-keeping Our structured process eliminates these risks.

Corporate Tax Planning and Ongoing Support

Corporate tax return preparation should never be treated as a once-a-year task. At Tax Gupta Accountants, we offer ongoing support and strategic tax planning to help you:

• Forecast future tax liabilities

• Plan dividends and remuneration efficiently

• Structure your business tax-effectively

• Prepare for growth, acquisitions, or restructuring

• This proactive approach helps you stay ahead rather than react to tax issues.

HMRC Enquiries and Investigations

If your company is selected for an HMRC enquiry, having professionally prepared tax returns gives you a strong foundation. We can:

• Liaise directly with HMRC on your behalf

• Provide supporting documentation

• Respond to queries accurately and promptly

• Minimise disruption to your business

• Our experience ensures you are never dealing with HMRC alone.

Why Choose Gupta Accountants?

Choosing the right accountant for your corporate tax return is a critical decision. Clients trust Gupta Accountants because we offer:

• Extensive experience in UK corporate taxation

• A personalised, client-focused approach

• Transparent pricing with no hidden fees

• Clear communication and practical advice

• Commitment to accuracy and compliance

• We don’t just prepare tax returns — we build long-term partnerships with our clients.

Our Process – Simple and Stress-Free

Initial Consultation – We understand your business and tax requirements

Document Collection – You provide financial records securely

Tax Computation & Review – We prepare and review your tax return

Client Approval – You review and approve the figures

HMRC Submission – We file your corporate tax return online

Ongoing Support – We remain available for advice and future planning

Deadlines You Should Know

CT600 filing deadline: 12 months after the end of the accounting period

Corporation tax payment deadline: 9 months and 1 day after the accounting period ends Missing these deadlines can result in penalties, which is why timely preparation is essential.

Industries We Serve

We provide corporate tax return preparation services across a wide range of industries, including:

• Professional services

• Technology and IT companies

• Construction and property businesses

• Retail and e-commerc

• e Manufacturing Hospitality and leisure

• Consultancy firms Our industry knowledge allows us to tailor tax strategies effectively.

Transparent Pricing

Our pricing is competitive, transparent, and based on:

• Size of the company

• Complexity of accounts

• Volume of transactions

• Additional tax planning requirements

• You’ll always know what to expect, with no surprise costs.

Get Started with Corporate Tax Return Preparation Today

Corporate tax compliance doesn’t have to be stressful or overwhelming. With Tax Gupta Accountants, you can be confident that your corporate tax return is prepared professionally, filed on time, and optimised for tax efficiency.

Whether you need help with a single return or ongoing corporate tax support, our expert team is here to help.

Contact Tax Gupta Accountants today to discuss your corporate tax return preparation requirements and ensure your business remains compliant, efficient, and future-ready.