─── Specialist Micro-Entity Accountants In The UK

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

CT600 Tax Return Filing is the process of preparing and submitting a company’s Company Tax Return to HMRC, setting out the company’s Corporation Tax position for an accounting period. For companies in Cobham and the surrounding Surrey area, professional support with CT600 Tax Return Filing means the figures behind the return are checked, the tax adjustments needed to move from accounting profit to taxable profit are considered, and the return is submitted accurately and on time. It is important to be clear that a CT600 is not the same thing as statutory accounts filed with Companies House — those accounts are a separate legal filing obligation, and the CT600 is a tax return submitted to HMRC. Good CT600 Tax Return Filing brings accuracy, a clear audit trail and a far lighter administrative burden, leaving directors free to run the business rather than wrestle with tax computations.

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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   Ayotunde Rufai 
 
 
 
 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. We have been a client for years - very quick responsive and personalised service
  
 
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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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   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 .

What Is a Micro-Entity CT600 and How Does It Relate to CT600 Tax Return Filing?

There is no separate official ‘micro-entity CT600’ form — the CT600 is HMRC’s standard Company Tax Return, and it is used by companies of all sizes, including those that prepare their accounts under the micro-entity regime. A micro-entity company can still have Corporation Tax obligations and, where HMRC requires it, will need to submit a Company Tax Return reporting its Corporation Tax position for the period. The CT600 is separate from the statutory accounts a company files with Companies House, and separate again from paying any Corporation Tax that is due: filing the return and settling the liability are two distinct obligations. The company’s accounting records and accounts usually form the starting point for the Corporation Tax calculation, but taxable profit can differ from accounting profit because the computation may require adjustments — for example adding back disallowable expenditure or claiming capital allowances. Whether a micro-entity company actually owes Corporation Tax depends entirely on its own circumstances and taxable position, and its choice of accounting framework does not by itself determine the tax outcome. Careful CT600 Tax Return Filing in Cobham helps ensure the accounts, the computation and the return all line up properly.

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.

Take the Pressure Out of CT600 Tax Return Filing in Cobham

Preparing a Company Tax Return is rarely as simple as copying figures across from your accounts. Disallowable expenses, capital allowances, losses and reliefs all need to be considered before taxable profit can be confirmed, and the Corporation Tax records behind those numbers need to be organised well before the return is due. Micro Entity Accounts supports companies in Cobham with CT600 preparation, Corporation Tax computations, tax adjustment reviews and submission of the Company Tax Return to HMRC, working alongside your existing bookkeeping and accounts. If you would rather hand the technical side over to someone who does this every day, get in touch with Micro Entity Accounts and let us take CT600 Tax Return Filing off your to-do list.

─── 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 HMRC uses for a Company Tax Return. It reports a company's Corporation Tax position for an accounting period, including its income, chargeable gains, deductions and reliefs, and it sets out how the Corporation Tax liability has been calculated. The CT600 is submitted to HMRC, not to Companies House, and it is normally supported by a tax computation and, in most cases, a copy of the company's accounts.

Is a CT600 different from the statutory accounts filed with Companies House?

Yes, and the distinction matters. Statutory accounts are prepared under the Companies Act and filed with Companies House, and they cover the company's financial results in a prescribed format. A CT600 is a tax return submitted to HMRC that reports the Corporation Tax position. They are separate filings with separate purposes, separate recipients and separate deadlines, although the figures in the accounts are usually the starting point for the Corporation Tax calculation.

Who needs to file a CT600, and does a micro-entity company need to file one?

A company that is within the scope of Corporation Tax will generally need to notify HMRC and file a Company Tax Return when HMRC requires one. Micro-entity status relates to the size thresholds and accounting framework used for the accounts — it does not switch off Corporation Tax obligations, and it does not determine whether tax is payable. Many micro-entity companies do need to file a CT600, while some dormant or inactive companies may not. Because the answer depends on the company's own circumstances, it is worth checking before assuming a return is or is not required.

Is a CT600 different from a Corporation Tax computation?

They are related but not the same. The Corporation Tax computation is the working document that starts with the accounting profit, applies the necessary tax adjustments, and arrives at the taxable profit and the resulting Corporation Tax liability. The CT600 is the return form on which those figures are reported to HMRC. A well-prepared computation makes the CT600 straightforward to complete and gives you a clear record of how the liability was reached.

How is taxable profit calculated from accounting profit?

The starting point is usually the company's accounting profit before tax. Adjustments are then made — for example, adding back expenditure that is not allowable for tax purposes and deducting capital allowances or other available reliefs — to arrive at the taxable profit. Because those adjustments depend on the company's specific transactions, records and claims, taxable profit can be higher or lower than accounting profit, and the calculation should be reviewed rather than assumed.

Is filing a CT600 the same as paying Corporation Tax?

No. Filing the Company Tax Return and paying any Corporation Tax that is due are separate obligations. The CT600 reports the liability and the payment must be made to HMRC in its own right; submitting the return does not settle the tax, and paying the tax does not remove the need to file. Keeping both in view — and keeping clear records of what was filed and what was paid — avoids unnecessary follow-up later.

Can someone prepare and file a CT600 on behalf of a company?

Yes. A company can authorise an agent or accountant to prepare and submit its Company Tax Return to HMRC online, and many directors prefer this because it brings specialist review of the tax adjustments and the computation. The company itself remains responsible for the accuracy of what is filed and for settling any tax due, so working with someone who explains the figures rather than simply submitting them is well worth having.

What happens if a CT600 is filed late?

If a Company Tax Return is filed after the date it was due, HMRC may issue penalties and charge interest on any unpaid tax. The precise outcome depends on the circumstances, including how late the return is and whether tax remains outstanding, so it is always better to act early — even if the figures are not yet final, it is worth speaking to an adviser about the position rather than leaving the return to drift.