─── Specialist Micro-Entity Accountants In The UK

CT600 Tax Return Filing in Llantarnam: Preparing and Filing Your Company Tax Return with HMRC

If your company needs to report its Corporation Tax position to HMRC, professional CT600 Tax Return Filing in Llantarnam can help you prepare the return accurately and submit it with confidence. The CT600 is the Company Tax Return used for Corporation Tax, and it is separate from the statutory accounts you file with Companies House. Our approach focuses on clear communication, organised records and practical support with the Corporation Tax computation, so you can understand the figures being reported and the filing requirements that apply to your company. Whether you are a small company, a micro-entity or an established business, the aim is to make the process straightforward and convenient while keeping your filing responsibilities in order.

CT600 TAX RETURN FILING

(Turnover up to £100K)

£499.00

+vat

CT600 Return Preparation
Corporation Tax Computation
Tax Adjustment Review
Allowable Expenses Review
HMRC CT600 Filing
Filing Deadline Support

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Trusted by Micro-Entity Businesses Across the UK

From newly incorporated companies to established owner-managed businesses, our clients trust us to prepare their accounts accurately and handle their annual filing requirements.

      EXCELLENT  
   Based on 302 reviews 
    
 
 
 
   
 
 
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 Trustindex verifies that the original source of the review is Google. Best accountants we've ever had. Umer is ace, and makes everything easy and transparent.
  
 
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 Trustindex verifies that the original source of the review is Google. I had a really positive experience with Muhammad. He was incredibly quick to action everything and made the whole process straightforward and stress-free. He took care of everything promptly and kept me informed throughout, which was greatly appreciated.

Muhammad was professional, responsive and genuinely helpful from start to finish. It was clear that he cared about providing a great service and making sure everything was handled properly. I would definitely recommend him to anyone looking for someone reliable, efficient and professional.
  
 
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 Trustindex verifies that the original source of the review is Google. I worked with Accotx on a HMRC reclaim and overall, they did ultimately deliver on their promise, which I appreciate. The process did take longer than any of us expected, partly due to external delays with the tax authorities, and partly because there were some hiccups in communication and follow-up. However, despite those challenges, they stayed professional and stuck to the original agreed terms. If you’re considering using them, be prepared to stay in regular contact to keep things moving along. They are absolutely capable, have the expertise and willing to work with you, and overall  improving their services over time. I would certainly return for any future needs.
  
 
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 Trustindex verifies that the original source of the review is Google. Sterling work. Many thanks to Muhammad and the team for all their help and expertise
  
 
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 Trustindex verifies that the original source of the review is Google. It was a pleasure working with Anum on our accounts. The whole process was swift and effortless, and it was one less thing to worry about. I'd highly recommend them.
  
 
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 Trustindex verifies that the original source of the review is Google. Accotax have been our accountants for many years now. We maintained them, because of their professionalism. In the last coiple of years, i have working with Imran, who has been very professional and helpful in guiding us through the whole process explaining and clarifying every aspect of it. Very prompt in responding to questions and patient with us even when we seem to be slow. I really enjoy working with him. Thank you
  
 
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 Trustindex verifies that the original source of the review is Google. I highly recommend Imran to anyone looking for a reliable and knowledgeable accountant. He helped me sort out a very complicated backlog of accounts and prepared my overdue tax returns with professionalism and attention to detail.

Throughout the process, he was incredibly patient, took the time to answer all of my questions, and explained everything clearly. He guided me through each step and helped rectify issues that had built up over time, making what felt like an overwhelming situation much more manageable.

I'm very pleased with the service I've received and truly appreciate his support. If you need help with your accounts or taxes, I would highly recommend Imran.
  
 
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 Trustindex verifies that the original source of the review is Google. I had a positive experience with Accotax. The work was completed promptly, my tax return was successfully filed, and I received a refund of overpaid tax. I found the cooperation efficient and helpful. Special thanks to Muhammad Saifullah for his assistance.
  
 
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   Ebba Qureshi 
 
 
 
 Trustindex verifies that the original source of the review is Google. Fabulous team at ACCOTAX - very efficient and good response time . Honest and professional with their work. I would highly recommend them even if you’re a young start up - or a large business they have it covered .

CT600 Tax Return Filing for Micro-Entity Companies in Llantarnam

For micro-entity companies in Llantarnam, a company can still have Corporation Tax obligations, and where HMRC requires it, the company must submit a Company Tax Return — commonly known as a CT600 — to report its Corporation Tax position. There is no separate official micro-entity CT600 form; the same CT600 Tax Return Filing process applies, although the company’s size and accounting framework may affect how its accounts are prepared and how the figures are presented. The CT600 is separate from the statutory accounts filed with Companies House. A company’s accounting records and accounts are often used as the starting point for the Corporation Tax calculation, but taxable profit can differ from accounting profit because the Corporation Tax computation may require adjustments, such as adding back disallowable expenses or accounting for tax-specific treatments. Not every micro-entity will owe Corporation Tax, and filing the CT600 is not the same as paying Corporation Tax; whether tax is payable depends on the company’s circumstances and taxable position.

What a Complete CT600 Submission Includes

The CT600 Form

Company details, accounting period, turnover, profit and the tax calculation.

Tax Computations

A working showing how accounting profit is adjusted into taxable profit.

iXBRL Accounts

Your statutory micro-entity accounts, machine-tagged to HMRC's taxonomy.

Supporting Schedules

Capital allowances, losses, directors' loans and any claims or reliefs.

─── OUR CT600 SERVICE

What's Included in Our CT600 Preparation Service?

Our fixed-fee service covers everything a qualifying micro-entity company needs to complete and file its Corporation Tax Return correctly and on time.

CT600 Return Preparation

Preparation of your Company Tax Return (CT600) from your bookkeeping records, ready for HMRC submission.

Corporation Tax Computations

Full tax computations showing how your taxable profit and Corporation Tax liability have been calculated.

Accounts & Tax Computation Support

Micro-entity accounts tagged in iXBRL format and attached to your CT600 as HMRC requires.

Allowances & Reliefs Review

We check capital allowances, allowable expenses and available reliefs so nothing is claimed twice or missed.

HMRC Filing & Deadline Tracking

Online submission to HMRC plus reminders for your payment and filing deadlines.

─── How It Works

How Our CT600 Tax Return Filing Service Works

Share Your Company Records

Provide the accounting records and relevant company information required to prepare the return.

Review Your Accounting Figures

Review the financial information and identify relevant Corporation Tax adjustments.

Prepare the CT600

Prepare the Company Tax Return and supporting tax computation based on the company's circumstances.

Prepare the CT600

Prepare the Company Tax Return and supporting tax computation based on the company's circumstances.

Review & Approve

You review the information and confirm the return before submission.

File With HMRC

Submit the Company Tax Return through the appropriate HMRC filing process.

─── WHY CHOOSE US

Why Choose Our CT600 Tax Return Filing Service?

We keep Corporation Tax simple, transparent and predictable for busy company directors, with fixed fees agreed before any work begins.

Micro-Entity Expertise

We work exclusively with small limited companies filing under FRS 105, so the CT600 is routine work for us.

Accurate Accounts Preparation

Every adjustment, disallowed expense and capital allowance claim is documented and explained in plain English.

Tax & Filing Support

Missed a deadline? We prepare overdue CT600 returns quickly to limit penalties and interest building up.

Clear Fixed-Fee Pricing

One transparent fee covers preparation, iXBRL tagging and HMRC submission of your Corporation Tax Return.

───WHO WE HELP

CT600 Support for Micro-Entities Across the UK

We support qualifying micro-entity companies across London and the UK, from one-director businesses to consultants and online companies.

One-Director Companies

Straightforward CT600 preparation for owner-managed limited companies with simple salary and dividend structures.

Limited Companies Run by Freelancers & Contractors

Corporation Tax returns for contractors trading through qualifying micro-entity limited companies.

Startups & Small Companies

First-year and dormant-to-trading CT600 filings for newly incorporated and growing micro companies.

CT600 Deadlines and Late Filing Penalties

Corporation Tax has two separate deadlines, and HMRC charges penalties that increase the longer a return stays outstanding.

How late the CT600 is	HMRC penalty
1 day late	£100
3 months late	A further £100
6 months late	HMRC estimates your tax bill and adds 10% of the unpaid tax
12 months late	A further 10% of any unpaid tax

Penalty levels are set by Companies House and may change. Separate HMRC penalties and interest apply to a late Corporation Tax return and unpaid tax. Check the updated guide here.

Need Help with CT600 Tax Return Filing in Llantarnam?

Preparing a Company Tax Return can feel complicated, especially when you need to move from accounting profit to taxable profit and keep supporting records organised for HMRC. Micro Entity Accounts can help with CT600 preparation, Corporation Tax computation, tax adjustment review and HMRC filing, giving you a clearer route through your CT600 Tax Return Filing responsibilities. If you would like professional support in Llantarnam, get in touch to discuss your company’s filing needs and the next steps.

─── FAQs

Micro-Entity CT600 FAQs

Still unsure where you stand? Reach out to our UK team at info@microentityaccounts.co.uk and we will review your filing history with you.

What is a CT600?

A CT600 is the form used to submit a Company Tax Return to HMRC. It reports the company's Corporation Tax position for an accounting period, including income, deductions, tax adjustments and the resulting Corporation Tax calculation. The CT600 is part of CT600 Tax Return Filing, which is separate from filing statutory accounts with Companies House.

Who needs to file a CT600?

Whether a company needs to file a CT600 depends on its circumstances. A company may need to file if HMRC has issued a notice to file, if it has Corporation Tax obligations, or if it otherwise meets the requirements for submitting a Company Tax Return. Some companies may be dormant or have a different reporting position, so it is important to check the specific facts rather than assume every company must file in the same way.

Is a CT600 different from statutory accounts?

Yes. A CT600 is a tax return submitted to HMRC, while statutory accounts are prepared under company law and filed with Companies House. The two documents can share information and figures, but they serve different purposes. CT600 Tax Return Filing deals with the Corporation Tax position, whereas statutory accounts deal with the company's financial statements and Companies House filing obligations. Filing a CT600 does not itself satisfy the separate requirement to file statutory accounts with Companies House.

Is a CT600 different from a Corporation Tax computation?

Yes. The CT600 is the return form submitted to HMRC, while the Corporation Tax computation is the calculation that starts with accounting profit and makes the necessary tax adjustments to arrive at taxable profit and the Corporation Tax liability. The computation supports the figures entered on the CT600, so the two work together but are not the same document.

Does a micro-entity company need to file a CT600?

A micro-entity company may need to file a CT600 if it has Corporation Tax obligations or is required by HMRC to submit a Company Tax Return. Micro-entity status relates to the accounting framework and reporting options for accounts; it does not create a separate tax return or automatically remove Corporation Tax responsibilities. Equally, not every micro-entity will owe Corporation Tax, and the filing requirement depends on the company's circumstances.

Is filing a CT600 the same as paying Corporation Tax?

No. Filing the CT600 is the process of submitting the Company Tax Return to HMRC, while paying Corporation Tax is a separate obligation. The return reports the company's Corporation Tax position and may include a calculation of tax due, but submitting the CT600 does not itself make the payment. Companies need to consider both their filing and payment responsibilities according to their own circumstances and HMRC's requirements.

What information is needed to prepare a CT600?

To prepare a CT600, you generally need the company's accounting records, accounts or trial balance for the period, details of income and expenses, information on assets and liabilities, and any tax adjustments, reliefs or allowances that apply. It also helps to have the company's registration details, accounting period dates and previous tax information to hand. The exact information required can vary depending on the company's activities and tax position.

How is taxable profit calculated from accounting profit?

The calculation usually starts with the company's accounting profit for the period. Adjustments are then made under tax rules, for example adding back expenses that are not allowable for Corporation Tax and deducting items that are treated differently for tax. The result is the taxable profit used to work out the Corporation Tax liability. Because these adjustments depend on the company's circumstances, the figures can differ from the accounting profit shown in the accounts.