─── Specialist Micro-Entity Accountants In The UK

CT600 Tax Return Filing in Leven — Prepare and File Your Company Tax Return with HMRC

CT600 Tax Return Filing in Leven means preparing and submitting your company’s Company Tax Return to HMRC, reporting the company’s Corporation Tax position for the accounting period. Our service is built around accuracy and clarity: we review your accounting records, prepare the Corporation Tax computation and any required tax adjustments, and file the CT600 with HMRC on your behalf. It is worth being clear that the CT600 is not the same as the statutory accounts you file with Companies House — these are two separate obligations with different formats, purposes and recipients. The CT600 is the tax return sent to HMRC; the statutory accounts are the company’s formal annual accounts. We handle both, so you can see how the figures in your accounts connect to the figures reported to HMRC, and so the right questions are asked before anything is submitted.

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 
    
 
 
 
   
 
 
       Posted on Google  
   
   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.
  
 
      Posted on Google  
   
   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
  
 
      Posted on Google  
   
   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.
  
 
      Posted on Google  
   
   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 .
  
 
      Posted on Google  
   
   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.
  
 
      Posted on Google  
   
   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 Is a Micro-Entity CT600 and How Does It Relate to CT600 Tax Return Filing?

A so-called micro-entity CT600 is simply a CT600 Company Tax Return filed by a company that happens to meet the micro-entity criteria. There is no separate micro-entity version of the form, and no special tax return set aside for smaller companies. The distinction that really matters is between accounting and tax. A micro-entity may prepare its statutory accounts under a simplified framework such as FRS 105 for Companies House purposes, but the choice of accounting framework does not decide the company’s Corporation Tax position, and it does not by itself settle the liability. Where a company is within the charge to Corporation Tax, HMRC will generally expect a Company Tax Return, and the CT600 is how that return is made. Your accounting records and accounts usually form the starting point, but the Corporation Tax computation frequently involves adjustments — for example adding back expenditure that is not allowable for tax, or deducting capital allowances in place of depreciation — so taxable profit can differ from accounting profit. It also does not follow that every micro-entity has Corporation Tax to pay: whether a liability arises depends on the company’s own circumstances and taxable position. Finally, filing the CT600 and paying any Corporation Tax due are separate obligations, each with its own requirements.

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 Take Care of Your CT600 Tax Return Filing in Leven

Pulling together a Company Tax Return is rarely the job anyone looks forward to. There are adjustments to work through, capital allowances to consider, records to gather and an HMRC filing to complete — all while the figures have to reconcile back to accounts prepared for a different purpose. Micro Entity Accounts can take that off your desk. We prepare the CT600, build the Corporation Tax computation, review the tax adjustments behind your taxable profit, and submit the Company Tax Return to HMRC on your behalf. If you would rather spend your time running the business than wrestling with Corporation Tax reporting, get in touch and let us handle the numbers.

─── 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 sets out the company's income, gains, deductions and reliefs for an accounting period and reports the resulting Corporation Tax position. The completed CT600, together with the supporting accounts and tax computation, is submitted to HMRC and not to Companies House. A CT600 Tax Return Filing service therefore deals with the HMRC side of your company's reporting, while the statutory accounts filing is a separate exercise entirely.

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

Yes, and the two should not be confused. Statutory accounts are the company's formal annual accounts, prepared under the applicable accounting framework and filed with Companies House. A CT600 is a tax return submitted to HMRC. They draw on related figures, but they serve different purposes, follow different rules and go to different organisations. Filing one does not discharge the obligation to file the other, and the accounting profit shown in the accounts is not automatically the taxable profit reported on the CT600.

Is a CT600 the same as a Corporation Tax computation?

No. The Corporation Tax computation is the working that takes the accounting profit from the accounts and turns it into taxable profit, showing each adjustment made and each relief claimed. The CT600 is the return form that reports the outcome of that computation to HMRC. You need a properly prepared computation to complete the CT600 accurately; the CT600 is the filing, not the calculation behind it.

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

It may well do. Micro-entity status is an accounting concept, based on the company's size, that affects the framework it can use for its statutory accounts. It does not remove Corporation Tax obligations. If a company is within the charge to Corporation Tax, or HMRC has issued a notice to deliver a Company Tax Return, it will generally be expected to file a CT600 — regardless of whether it would be described as a micro-entity. Whether any Corporation Tax is actually payable depends on the company's taxable position and circumstances, which is a separate question from whether a return must be filed.

Can a company file its CT600 without preparing accounts?

In practice, no — the Company Tax Return is not complete on its own. HMRC expects the return to be supported by accounts and a Corporation Tax computation that show how the reported figures were arrived at. Those accounts may be the statutory accounts prepared for Companies House, but filing them with Companies House does not satisfy the HMRC requirement, and the format that suits one purpose may need adapting for the other. Preparing the accounts and preparing the CT600 are related but distinct pieces of work, and it helps to plan for both together.

How is taxable profit calculated from accounting profit?

The starting point is normally the profit shown in the accounts, which is then adjusted. Typical adjustments include adding back expenditure that is not allowable for tax purposes and deducting capital allowances instead of depreciation. Other items, such as losses brought forward or specific reliefs, may also affect the figure. The result is the taxable profit on which Corporation Tax is calculated, and because of these adjustments it can be higher or lower than the accounting profit. The exact adjustments depend on the company's transactions and circumstances, which is why a carefully prepared computation matters.

Is filing a CT600 the same as paying Corporation Tax?

No — they are two separate obligations. Filing the CT600 tells HMRC what the company's Corporation Tax position is for the period. Payment is a separate step with its own requirements, and the fact that a return has been filed does not mean the tax has been paid. Equally, a company may be required to file a return even where the calculation shows nothing to pay. It is worth keeping both the filing and the payment requirements on your radar so that neither is overlooked.

What happens if a company files its CT600 late?

HMRC can apply penalties and charge interest where a Company Tax Return is filed after the due date, and how much depends on how late the return is and on the company's circumstances. The most sensible approach is to act early: if you think a deadline may be missed, speak to HMRC or to your accountant as soon as possible rather than waiting. Keeping accounting records and computations up to date through the year makes it far easier to file on time and avoids a last-minute scramble.