─── Specialist Micro-Entity Accountants In The UK

CT600 Tax Return Filing in Redbridge – Prepare and File Your Company Tax Return with HMRC

CT600 Tax Return Filing is how a UK company reports its Corporation Tax position to HMRC. If you run a limited company in Redbridge, professional support can help you pull the figures together properly, work through the tax adjustments that turn accounting profit into taxable profit, and submit an accurate Company Tax Return on time. It is worth being clear from the outset that the CT600 is not the same thing as your statutory accounts: the accounts are filed with Companies House, while the CT600 is a separate filing made to HMRC. We help you keep those two obligations distinct, make sure the numbers agree where they should, and take the administrative weight off your shoulders so you can get on with running the business. With clear, transparent pricing and a straightforward process, CT600 Tax Return Filing becomes one less thing to worry about.

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? Understanding Company Tax Returns for Smaller Companies

There is no separate official form called a micro-entity CT600 — the CT600 is simply the name of the Company Tax Return that HMRC requires from companies within the Corporation Tax system. What makes micro-entities relevant is the accounting side: a company that qualifies as a micro-entity may prepare its statutory accounts under a simpler framework, which keeps the bookkeeping and reporting lighter. That does not, however, remove the company’s Corporation Tax responsibilities. Where HMRC requires a return, the company needs to submit a Company Tax Return, and its accounting records and prepared accounts usually form the starting point for the Corporation Tax calculation. Importantly, the accounts and the CT600 are separate documents with separate purposes: the accounts are prepared for the members and filed with Companies House, while the CT600 is submitted to HMRC. The figures also do not always pass straight through. Corporation Tax is charged on taxable profit, and taxable profit can differ from accounting profit because the computation may require adjustments — for example, disallowable expenditure, capital allowances, or other tax-specific treatments. Being a micro-entity also does not tell you whether Corporation Tax is payable; that depends on the company’s own circumstances and taxable position. Equally, filing a CT600 and paying any Corporation Tax due are two distinct obligations, and meeting one does not automatically satisfy the other. Getting the accounting framework, the computation and the deadlines joined up properly is where professional support tends to pay for itself.

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 Redbridge

Preparing a Company Tax Return can quickly become complicated once you move past the headline figures — accounts have to be finalised, the Corporation Tax computation built up, tax adjustments reviewed, and records kept in a state that stands up to scrutiny. Micro Entity Accounts is here to take that weight off your desk. We can help with CT600 preparation, the Corporation Tax computation, a review of the tax adjustments applied to your accounting profit, and submission of the return to HMRC, all handled through a clear and straightforward process with fixed-fee options available. If you would rather spend your time on the business than on spreadsheets and HMRC portals, get in touch with our team to talk through your CT600 Tax Return Filing and get started.

─── 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 company submits to HMRC. It sets out the company's Corporation Tax position for an accounting period, including details of income, expenses, profits and the tax calculated as due, alongside the supporting computations. It is an HMRC document, not a Companies House one, and it exists so that HMRC can see how the company's Corporation Tax figure has been arrived at.

What is the difference between a CT600 and a Corporation Tax computation?

They work together but they are not the same thing. The Corporation Tax computation is the working paper that starts with your accounting profit and applies the relevant tax adjustments to arrive at taxable profit and the Corporation Tax liability. The CT600 is the return form itself, which reports those figures to HMRC. In practice the computation usually accompanies the CT600 as supporting information, so a return without a properly prepared computation is rarely complete.

Who needs to file a CT600?

Companies that fall within the Corporation Tax system generally need to file a Company Tax Return when HMRC requires one. That typically means UK limited companies, but the position depends on the individual company's circumstances — for example, whether it has been trading, whether it is dormant for Corporation Tax purposes, and whether HMRC has issued a notice to deliver a return. Because the rules turn on the company's own situation rather than a single blanket test, it is worth checking your specific position rather than assuming.

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

Yes, and the distinction matters. Statutory accounts are prepared for the company's members and filed at Companies House. The CT600 is a tax return submitted to HMRC. They are governed by different rules, serve different audiences, and are filed in different places. The figures in the two will often overlap heavily, because the accounts are usually the starting point for the tax calculation, but they are separate obligations and meeting one does not automatically satisfy the other.

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

Possibly — it depends on the company's circumstances and its taxable position, not on its size alone. Qualifying as a micro-entity affects how the statutory accounts may be prepared, but it does not by itself remove Corporation Tax obligations. Where HMRC requires a return, a micro-entity will need to submit a Company Tax Return just like any other company within the system. Equally, being a micro-entity does not mean Corporation Tax is automatically payable, since that depends on the taxable profit and the reliefs and allowances available.

How is taxable profit calculated from accounting profit?

Taxable profit normally begins with the accounting profit shown in your accounts, and then adjustments are made. Some items of expenditure that are valid accounting costs are not deductible for tax, and certain tax-specific reliefs and allowances — such as capital allowances on qualifying assets — may be added or deducted. The result is the taxable profit on which Corporation Tax is calculated. This is why the accounting profit and the taxable profit can differ, and why a proper Corporation Tax computation is an important part of CT600 Tax Return Filing.

Is filing a CT600 the same as paying Corporation Tax?

No. Filing the return and paying the tax are separate obligations with separate processes. Submitting a CT600 tells HMRC what the company's liability is; payment is a distinct step that needs to be handled in its own right. A company could have no Corporation Tax to pay and still be required to file a return, and equally a company could owe tax that needs paying separately from the filing.

What information is needed to prepare a CT600?

As a minimum you will usually need the company's accounting records and finalised accounts for the period, details of income and expenditure, information on fixed assets and any capital expenditure, and records supporting anything claimed as a deduction or relief. Your accountant will also need to know about any changes in the company's activities or structure during the period. Having the records organised and complete before preparation begins is the single biggest factor in keeping CT600 Tax Return Filing straightforward, and it also makes the return easier to support if HMRC asks questions later.