─── Specialist Micro-Entity Accountants In The UK

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

CT600 Tax Return Filing is the process of preparing and submitting a company’s Corporation Tax Return to HMRC, and it is one of the core annual obligations for most UK limited companies. The CT600 reports your company’s income, expenses, profits and tax position for the accounting period, and it is supported by a Corporation Tax computation that translates your accounting figures into taxable profit. Professional CT600 Tax Return Filing in Great Missenden helps directors and business owners approach that process with clarity: your bookkeeping and accounts are reviewed, the necessary tax adjustments are considered, the Corporation Tax computation is prepared, and the completed Company Tax Return is filed with HMRC on your behalf. It is important to understand that the CT600 is not the same as statutory accounts filed with Companies House, nor is it a Confirmation Statement, a VAT Return or a Self Assessment tax return. Those are separate filings with different purposes and different recipients. A good CT600 Tax Return Filing service joins the dots between your accounts and your tax reporting, so you can see how the figures in your accounts relate to the figures reported to HMRC, and so the filing is accurate, well supported and submitted on time. Pricing is usually discussed clearly and in advance, with fixed-fee options available depending on the complexity of your company’s affairs.

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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 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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 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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 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 CT600, and How Does It Apply to a Micro-Entity Company?

There is no separate official “micro-entity CT600” form. A CT600 is simply the Company Tax Return that a UK company uses to report its Corporation Tax position to HMRC, and the same form is used by companies of all sizes, including those that qualify as micro-entities under the companies legislation. What differs for a micro-entity is generally the accounting framework it applies and the level of detail in its statutory accounts, rather than the existence of a different tax return. A micro-entity company may still have Corporation Tax obligations, and where HMRC requires one, it needs to submit a Company Tax Return (CT600) covering the relevant accounting period. The CT600 is separate from the statutory accounts, which are filed with Companies House, and it is also separate from paying any Corporation Tax that is due — filing the return and settling the tax are two distinct obligations. The company’s accounting records, and the accounts prepared from them, normally form the starting point for the Corporation Tax calculation, but the figures in the accounts are not automatically the figures HMRC taxes. Taxable profit can differ from accounting profit because the Corporation Tax computation may require adjustments, for example for disallowable expenses, capital allowances or other tax-specific treatments. A micro-entity’s simplified accounts may also give less detail than HMRC expects in support of the return, which is one reason many directors choose to have both the accounts and the CT600 prepared together. Whether any Corporation Tax is actually payable depends on the company’s individual circumstances and its taxable position, not on its size or accounting framework.

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 Great Missenden

Preparing a Company Tax Return can feel like a jigsaw: the accounting profit in your accounts has to be adjusted for tax purposes, the Corporation Tax computation has to tie back to your records, and the CT600 has to be filed with HMRC alongside everything else your company is required to submit. It is easy for records to become disorganised, for adjustments to be missed, or for the return to be rushed at the last minute. Micro Entity Accounts helps companies in Great Missenden and across the UK with CT600 preparation, Corporation Tax computations, tax adjustment reviews and HMRC filing, working from your bookkeeping and accounts so the figures reported are consistent and properly supported. We are equally happy to prepare your statutory accounts where you need them, keeping the two exercises aligned without confusing one obligation with the other. If you would like your next CT600 Tax Return Filing handled accurately and with clear, transparent pricing, get in touch with Micro Entity Accounts to discuss your company’s position.

─── 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 sets out a company's income, allowable deductions and profits for an accounting period, together with the resulting Corporation Tax position. In practice, a CT600 is prepared alongside a Corporation Tax computation that shows how the accounting figures in the company's accounts have been adjusted to arrive at taxable profit, and it is submitted to HMRC rather than to Companies House.

Who needs to file a CT600?

Whether a company needs to file a CT600 depends on its circumstances and on what HMRC requires for the period in question. Most active UK limited companies that are within the charge to Corporation Tax will need to submit a Company Tax Return, and HMRC will normally issue a notice requiring one. Dormant or newly incorporated companies may not always have to file, so it is worth checking your position rather than assuming either way. If a notice has been issued, the return generally has to be filed even if there is no tax to pay.

Is a CT600 the same as statutory accounts filed with Companies House?

No. Statutory accounts and a CT600 are two separate filings with two different recipients. Statutory accounts are prepared under the applicable accounting framework and filed at Companies House, where they become part of the public record. A CT600 is a Company Tax Return submitted to HMRC for Corporation Tax purposes. The accounts often provide the starting figures for the tax return, but the return itself contains a tax computation and additional information that does not appear in the Companies House filing.

Is a CT600 different from a Corporation Tax computation?

Yes, they are related but distinct. The Corporation Tax computation is the working that starts from the company's accounting profit and makes the adjustments needed to arrive at taxable profit — for example adding back disallowable expenditure, deducting allowable capital allowances, or dealing with other tax-specific items. The CT600 is the return form on which the resulting figures are reported to HMRC. In practice the two are prepared together, because the CT600 needs the computation to support the figures it contains.

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

There is no separate micro-entity version of the CT600, so a company that qualifies as a micro-entity follows the same general framework as any other company. If the company is within the charge to Corporation Tax and HMRC requires a Company Tax Return, then a CT600 will need to be filed for the relevant period. Being a micro-entity affects the accounting framework and the level of detail in your statutory accounts; it does not by itself remove a Corporation Tax filing obligation, nor does it automatically determine whether any Corporation Tax is payable.

What information is needed to prepare a CT600?

A CT600 is normally prepared from a combination of your accounting records, your statutory accounts, and supporting detail such as income and expense breakdowns, fixed asset additions and disposals, and details of any other income or deductions relevant to the period. Information about the company itself, the accounting period covered, and any reliefs or adjustments being claimed is also required. The cleaner and more complete your bookkeeping, the more straightforward the preparation tends to be, which is why many companies have their accounts and their CT600 prepared together.

How is taxable profit calculated from accounting profit?

Taxable profit starts from the company's accounting profit for the period and is then adjusted for tax purposes. Common adjustments include adding back expenditure that is not allowable for Corporation Tax, deducting capital allowances in place of depreciation, and dealing with income or costs that are treated differently for tax than for accounting. The result is the taxable profit on which the Corporation Tax liability is based. Because the adjustments depend on the company's specific transactions, taxable profit frequently differs from the profit shown in the accounts.

Is filing a CT600 the same as paying Corporation Tax?

No — filing and payment are separate obligations. Submitting a CT600 reports the company's position to HMRC, while paying Corporation Tax is a separate transaction that settles any liability arising from the period. A company can file its return and still owe tax, or file a return showing no liability and have nothing to pay. It is worth keeping both in view, along with the deadlines that apply to each, so that reporting and payment are both dealt with properly.