─── Specialist Micro-Entity Accountants In The UK

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

If your company needs to report its Corporation Tax position to HMRC, CT600 Tax Return Filing is the process that makes it happen. The CT600 is the Company Tax Return itself — the formal return that sets out your company’s income, allowable deductions and the resulting Corporation Tax position for the accounting period. Professional support with CT600 Tax Return Filing in Cheam means your accounting records are reviewed, the figures are translated into a properly structured Corporation Tax computation, and the completed return is submitted to HMRC accurately and on time. It is important to understand that the CT600 is not the same thing as your statutory accounts. Statutory accounts are prepared for the company’s members and filed separately with Companies House, while the CT600 is submitted to HMRC to report taxable profits. Working with an experienced team helps you keep these two obligations distinct, reduces the risk of errors or omissions in the return, and gives you a clear picture of what your company owes or is due to reclaim. With clear, transparent pricing and a straightforward process, we take the administrative weight off your shoulders so you can get on with running the business.

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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   Sofia 
 
 
 
 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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   Zest For Life 
 
 
 
 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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   Pete Wrist 
 
 
 
 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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   Hansen Personal Training 
 
 
 
 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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   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 .

What Is a Micro-Entity CT600 and How Does It Fit with CT600 Tax Return Filing?

There is no separate official “micro-entity CT600” form. Wherever you see the phrase used, it simply refers to the standard Company Tax Return — the CT600 — being completed by a company that happens to meet the size criteria for a micro-entity. A micro-entity company can still have Corporation Tax obligations, and where HMRC requires a Company Tax Return to be filed, the same CT600 is used regardless of the company’s size. The accounting framework the company applies, such as FRS 105, affects how the statutory accounts are prepared and what they look like, but it does not by itself determine the company’s Corporation Tax liability. That is worked out separately. The figures in your accounting records and statutory accounts normally form the starting point for the Corporation Tax calculation, but they are rarely the finishing point. Taxable profit can differ from accounting profit because the Corporation Tax computation may require adjustments — for example, adding back disallowable expenditure or deducting items treated differently for tax purposes. Only once those adjustments have been made can the taxable profit and any resulting Corporation Tax liability be confirmed. It is also worth noting that filing a CT600 and paying Corporation Tax are separate obligations: submitting the return reports the position, while payment settles what is due. Whether a micro-entity company actually owes Corporation Tax depends entirely on its own circumstances and taxable position. Because accounts preparation and Corporation Tax filing are related but distinct processes, it helps to have both handled with the same care and attention to detail.

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 Cheam

Preparing a Company Tax Return can quickly become complicated — reconciling the accounting profit in your records with the taxable profit HMRC expects, keeping Corporation Tax records in order, and making sure the return itself is complete and consistent all take time and care. Micro Entity Accounts exists to take that burden off your desk. We can support you with CT600 preparation, Corporation Tax computation, a review of the tax adjustments needed to move from accounting profit to taxable profit, and submission of the return to HMRC on your behalf. You keep oversight of your company’s position; we handle the detail. If your company needs CT600 Tax Return Filing in Cheam, get in touch with our team to talk through your requirements and take the next step.

─── 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 formal name for the Company Tax Return that a UK company submits to HMRC to report its Corporation Tax position for an accounting period. It shows the company's income, allowable deductions and the resulting taxable profit, along with the Corporation Tax that is due or repayable. The CT600 is completed alongside a Corporation Tax computation, which sets out the detailed figures and adjustments behind the numbers reported on the return.

Is a CT600 different from statutory accounts?

Yes, and the distinction matters. Statutory accounts are prepared for the company's members and filed with Companies House. The CT600 is a tax return submitted to HMRC. Although both draw on the same underlying accounting records, they serve different purposes, go to different authorities, and can differ in presentation. Preparing and filing one does not automatically satisfy the other, so companies generally need to keep both obligations in view.

Who needs to file a CT600?

A company normally needs to file a Company Tax Return if HMRC has issued a notice to deliver one. This can happen even in periods where no Corporation Tax is payable. Because the requirement depends on HMRC issuing that notice and on the company's own circumstances, it is worth checking your position rather than assuming either that a return is definitely required or that it is definitely not.

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

Size is not what decides this. A micro-entity company can still have Corporation Tax obligations and may need to submit a Company Tax Return to HMRC if a notice to deliver has been issued. If a return is required, the standard CT600 is used — there is no separate micro-entity version of the form. Whether any Corporation Tax is actually payable is a separate question that depends on the company's own taxable position, which is why the Corporation Tax computation matters.

How is taxable profit calculated from accounting profit?

The profit shown in your accounts is normally the starting point, but it is not usually the same as taxable profit. The Corporation Tax computation adjusts the accounting profit — for example by adding back expenditure that is not allowable for tax purposes or deducting items that are treated differently under tax rules. Once those adjustments are applied, the taxable profit and any resulting Corporation Tax liability can be determined. The exact adjustments depend on the company's transactions and circumstances.

Is filing a CT600 the same as paying Corporation Tax?

No. Filing is a reporting obligation: it tells HMRC what the company's position is for the period. Paying Corporation Tax is a separate obligation that settles whatever is due once the liability has been calculated. Getting the return filed does not discharge a payment obligation, and making a payment does not by itself fulfil the filing requirement. Both need to be dealt with, and the amounts and timing depend on the company's circumstances.

What information is needed to prepare a CT600?

In practice, we typically need the company's accounting records for the period, the statutory accounts or draft accounts, details of income and expenditure, and information on items that may need tax adjustments. Supporting documents such as bank statements, invoices, payroll information and details of any capital purchases or disposals all help build an accurate picture. Where something is missing, we will let you know so the return can be prepared on a sound basis.

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

Yes. A company can appoint an agent to prepare and submit its Company Tax Return to HMRC. The company remains responsible for the accuracy of what is filed and for its own Corporation Tax obligations, but the day-to-day work — building the Corporation Tax computation, reviewing adjustments, and submitting the return — can be handled for you. That is exactly the kind of CT600 Tax Return Filing support we provide to companies in Cheam and beyond.