─── Specialist Micro-Entity Accountants In The UK

CT600 Tax Return Filing in Holbrook: Prepare and File Your Company Tax Return with HMRC

Professional CT600 Tax Return Filing in Holbrook helps your company prepare its Corporation Tax position and submit a Company Tax Return to HMRC with accuracy and clarity. The CT600 is separate from the statutory accounts you file with Companies House, even though the figures in your accounts often provide the starting point for the tax calculation. A proper review can identify where tax adjustments are needed, helping to explain the difference between accounting profit and taxable profit. Whether you need support with the Corporation Tax computation, supplementary pages, or the practical steps of HMRC filing, professional help can reduce the administrative burden and keep your records organised. It is important to remember that filing the return and paying any Corporation Tax due are separate obligations, and the right approach depends on your company’s circumstances.

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 300 reviews 
    
 
 
 
   
 
 
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   Jamie Fletcher 
 
 
 
 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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   Mansur Liman 
 
 
 
 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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   Muna Mohamoud 
 
 
 
 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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   Sergey M 
 
 
 
 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 .
  
 
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   Mael Leboucher 
 
 
 
 Trustindex verifies that the original source of the review is Google. We worked with a few different accountants before finally settling with Accotax, and we’re really glad we did. Their team is great. Abdul is responsive and easy to reach whenever I have a question, which makes a big difference. They take the time to understand how our business works and what our needs are. They are very knowledgeable, and when they don’t have the answer straight away, they take the time to look into it and get back to us quickly. Anum, who looks after our account on a day-to-day basis, including reconciling invoices and preparing the annual accounts, is amazing. She is professional, efficient, and follows the processes we have put in place together. She's also very quickin getting back to us whenever needed. We’re very happy to work with her and hope to continue doing so for as long as possible. Overall, Accotax has made our accounting experience much smoother and easier. We see them as a long-term partner as our business continues to grow. I would 100% recommend them.
  
 
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   3rd Hub 
 
 
 
 Trustindex verifies that the original source of the review is Google. Imran provides a very dependable and straightforward accounting service. He is always responsive and professional when managing our accounts. Excellent support.
  
 
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   Martin Tyrrell 
 
 
 
 Trustindex verifies that the original source of the review is Google. I have really impressed to date with all dealings with Accotax highly enough. From day one, they've made what can often be a complicated and stressful part of running a business feel straightforward and hassle-free. A special mention has to go to Anum, who has been friendly, incredibly responsive, and genuinely cares about providing the best possible service. No question is ever too much trouble, and she consistently goes above and beyond to make sure everything is dealt with efficiently. I wouldn't hesitate to recommend you to anyone looking for an accountant they can genuinely trust.
  
 
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   Matthew Lyon 
 
 
 
 Trustindex verifies that the original source of the review is Google. Great speedy service and very personable. Anum dealt with my income certificate and did everything quickly and helped me out massively. Very happy with the service provided.

What Does the CT600 Mean for a Micro-Entity Company in Holbrook?

A micro-entity is a company that meets certain size criteria for accounts and reporting purposes; it is not a separate HMRC tax return category. There is no separate official micro-entity CT600 form. Where a micro-entity company is within the scope of Corporation Tax and is required to file a Company Tax Return, it will normally use the CT600 to report its Corporation Tax position to HMRC. The CT600 is separate from the statutory accounts filed with Companies House. Accounting records and the accounts may feed into the Corporation Tax calculation, but taxable profit can differ from accounting profit because the Corporation Tax computation may require adjustments, such as disallowable expenses, different treatment of certain income or expenses, and other tax-specific treatments. A micro-entity does not automatically owe Corporation Tax; whether tax is payable depends on its taxable position. Also, filing a CT600 is not the same as paying Corporation Tax, as the filing and payment obligations are separate.

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.

Let Us Handle Your CT600 Tax Return Filing in Holbrook

Preparing a Company Tax Return can quickly become complicated when you need to move from accounting profit to taxable profit, review tax adjustments, and keep every Corporation Tax record in order for HMRC. Micro Entity Accounts can help with CT600 preparation, Corporation Tax computation, tax adjustment review, and HMRC filing, so you can approach your filing responsibilities with greater confidence and less administration. If you want clear, professional support with CT600 Tax Return Filing in Holbrook, get in touch to discuss your company’s needs.

─── 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 a company's Corporation Tax position for an accounting period, including the figures needed to calculate Corporation Tax, and it may be supported by a Corporation Tax computation and other supplementary pages depending on the company's circumstances. The CT600 is filed with HMRC, not Companies House, and it is not the same as a VAT Return, Confirmation Statement, or set of statutory accounts.

Is a CT600 different from statutory accounts?

Yes. Statutory accounts are prepared under the applicable accounting framework and are generally filed with Companies House as part of the company's public reporting obligations. A CT600 is the Company Tax Return filed with HMRC for Corporation Tax purposes. The accounts often provide the starting point for the tax figures, but the Corporation Tax computation may adjust those figures to arrive at taxable profit. Filing statutory accounts does not satisfy the CT600 filing requirement, and filing a CT600 does not replace the separate accounts filing obligation.

Who needs to file a CT600?

A company needs to file a CT600 when HMRC requires it to submit a Company Tax Return, or when it is liable to Corporation Tax and meets HMRC's filing conditions for the accounting period. This is not determined by the company's size alone. Some companies may not need to file if they are dormant for Corporation Tax purposes and HMRC has confirmed that no return is due, but the position depends on the company's circumstances. If you are unsure whether a return is required, it is sensible to check your position or seek professional advice before assuming no filing is needed.

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

Micro-entity status affects how accounts may be prepared and reported under the relevant accounting framework, but it does not create a separate tax return. There is no separate official micro-entity CT600 form. A micro-entity company may still need to file a CT600 if it is within the scope of Corporation Tax and HMRC requires a Company Tax Return. Even where the accounts are simple, the company's taxable profit can differ from its accounting profit because tax adjustments may be needed. Filing a CT600 is also separate from paying any Corporation Tax that may be due.

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 supporting calculation that starts with the company's accounting profit and adjusts it to arrive at taxable profit. Those adjustments can include items such as disallowable expenses, losses, and other tax-specific treatments. The computation helps show how the figures in the CT600 have been calculated and may need to be filed alongside the return depending on the company's circumstances.

What information is needed to prepare a CT600?

To prepare a CT600, an accountant or tax preparer will usually need the company's accounting records, profit and loss account, balance sheet, trial balance or draft statutory accounts, details of income and expenses, information about capital purchases and disposals, any available losses, and the company's HMRC references. Previous returns and computations can also be helpful for consistency. The exact information required depends on the company's activities and circumstances, but accurate, complete records make the CT600 Tax Return Filing process smoother and reduce the risk of avoidable queries or amendments.

Is filing a CT600 the same as paying Corporation Tax?

No. Filing a CT600 is the act of submitting the Company Tax Return to HMRC, while paying Corporation Tax is a separate obligation. A return may show that Corporation Tax is payable, that no tax is due, or that a different position applies depending on the company's circumstances. Even if no Corporation Tax is payable, a company may still be required to file a CT600 if HMRC has asked for one or if it otherwise meets the filing conditions. The payment deadline and filing deadline can also be different, so it is important not to treat them as the same thing.

What happens if a company files its CT600 late?

If a CT600 is filed after the applicable HMRC filing date, HMRC may apply penalties or interest under its published rules, and the company may receive reminders or further correspondence. The exact consequences depend on the company's circumstances, how late the return is, and HMRC's view of the matter. Filing as soon as possible and seeking professional advice can help you understand the position and decide what steps to take next. It is also worth checking whether any separate Corporation Tax payment obligations have been affected.