─── Specialist Micro-Entity Accountants In The UK

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

CT600 Tax Return Filing is the process of preparing your company’s Corporation Tax position and submitting a Company Tax Return to HMRC. For directors in Kidlington, it is one of the most important annual tasks a limited company faces, and it is entirely separate from the statutory accounts you file with Companies House. The CT600 reports your company’s income, allowable deductions and the resulting Corporation Tax position, and it needs to be supported by a clear Corporation Tax computation that starts from your accounting figures and makes any adjustments required to arrive at taxable profit. Professional CT600 Tax Return Filing brings accuracy and structure to that process: we review your bookkeeping and accounts, identify the tax adjustments that may be needed, prepare the figures for the return, and submit the Company Tax Return to HMRC on your behalf. That means fewer last-minute panics, a clearer audit trail for your records, and a filing you can rely on to reflect the trading activity of your company. Whether you are a newly incorporated company filing for the first time or an established business with several years of accounts behind you, working with an experienced team takes the guesswork out of Corporation Tax filing in Kidlington and gives you more time to focus on 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 300 reviews 
    
 
 
 
   
 
 
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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 .
  
 
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   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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 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.
  
 
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   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? Understanding Corporation Tax Returns for Small Companies

There is no separate official form called a “micro-entity CT600” — every company that needs to submit a Company Tax Return does so using the CT600, which is the standard return used for reporting a company’s Corporation Tax position to HMRC. What differs for a micro-entity is not the form itself but the wider accounting context. A company that qualifies as a micro-entity may prepare its statutory accounts under a simplified framework, which keeps reporting straightforward and proportionate to the size of the business. It is important to be clear that the accounting framework you use does not, by itself, determine your Corporation Tax liability. Accounts preparation and Corporation Tax filing are related but separate processes. Your accounting records and statutory accounts provide the starting point, and the Corporation Tax computation then adjusts those figures where tax rules require it — for example, by disallowing certain expenses, adding back items that are not deductible for tax, or accounting for capital allowances and other reliefs that may be available. Because of that, taxable profit can differ from the accounting profit shown in your accounts. A micro-entity company may still have Corporation Tax obligations, and where HMRC requires a Company Tax Return, the CT600 must be prepared and submitted. Equally, it is worth remembering that not every company will owe Corporation Tax — whether any tax is payable depends on the company’s own circumstances and its taxable position. Filing the CT600 and paying any Corporation Tax due are also two distinct obligations: submitting the return reports the position, while payment is handled separately. In Kidlington and across the UK, the key point for directors is to keep accurate records, understand how the accounting figures translate into taxable profit, and file the correct return at the right time.

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 Kidlington

Preparing a Company Tax Return is rarely as simple as copying numbers from your accounts. You need to work out taxable profit, decide which expenses are allowable, consider capital allowances and other reliefs, and make sure the CT600 and the supporting Corporation Tax computation agree with each other. It is easy to lose a day to it — or to worry that something has been missed. Micro Entity Accounts can take that off your desk. We prepare CT600 returns, build the Corporation Tax computation from your accounting figures, review the tax adjustments that may be required, and handle the HMRC filing itself, keeping your Corporation Tax records organised and your reporting consistent year on year. If your company is based in Kidlington and your Company Tax Return is on the horizon, get in touch and let us look after the CT600 Tax Return Filing so you can get back to running the business.

─── 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?

The CT600 is the Company Tax Return form used to report a company's Corporation Tax position to HMRC. It sets out the company's income, allowable deductions, reliefs and the resulting Corporation Tax calculation for the accounting period. It is submitted to HMRC, not to Companies House, and it is not the same document as your statutory accounts.

Who needs to file a CT600?

Generally, a company that is within the charge to Corporation Tax and that has been issued with a notice to deliver a Company Tax Return will need to file a CT600. Whether a specific company must file in a given period depends on its own circumstances, including whether it has been formally required to submit a return, whether it has trading or other income, and whether it is dormant or active. If you are unsure where your company stands, it is worth checking your position before the filing window closes rather than assuming you are exempt.

Is a CT600 different from statutory accounts?

Yes. Statutory accounts are prepared for the company's members and filed at Companies House under the relevant company law requirements. The CT600 is a tax return submitted to HMRC. They draw on the same underlying accounting records, but they serve different purposes and are filed with different authorities. Preparing one does not automatically prepare the other.

Is a CT600 different from a Corporation Tax computation?

They are related but distinct. The Corporation Tax computation is the workings that start with your accounting profit and apply the necessary tax adjustments to arrive at taxable profit and the Corporation Tax due. The CT600 is the return that reports those figures to HMRC. In practice, the computation supports and explains the numbers entered in the CT600, so the two need to be consistent.

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

Being a micro-entity affects the accounting framework you may use for your statutory accounts, but it does not create a separate or simplified tax return. If your company is required to deliver a Company Tax Return, it does so using the CT600 in the usual way. Whether a return is required, and whether any Corporation Tax is payable, depends on the company's particular circumstances rather than on its size alone.

How is taxable profit calculated from accounting profit?

The calculation begins with the profit shown in your accounts and then makes adjustments required by tax rules. Common examples include adding back expenditure that is not allowable for tax purposes, deducting items that are allowable but treated differently in the accounts, and claiming capital allowances on qualifying assets instead of deducting depreciation. Timing differences, such as those arising from provisions or losses carried forward, may also be relevant. The result is taxable profit, which may be higher or lower than accounting profit, and that figure feeds into the CT600.

Is filing a CT600 the same as paying Corporation Tax?

No. Filing the CT600 reports your Corporation Tax position to HMRC, while paying Corporation Tax is a separate obligation with its own arrangements. A company can file its return and have nothing to pay, or it can have tax to pay and settle it through the payment process. Keeping the two responsibilities separate in your mind helps avoid unnecessary confusion.

What information is needed to prepare a CT600?

Typically you will need your accounting records for the period, a profit and loss account and balance sheet, details of income and expenditure, information on fixed assets and any purchases or disposals, records of any loans or other income, details of losses brought forward, and any previous returns or computations. Good record keeping throughout the year makes the CT600 preparation considerably faster, which is why it is worth keeping your bookkeeping tidy rather than reconstructing everything at the end of the period.

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

Yes. A director or company officer can authorise an accountant or tax agent to prepare and submit the Company Tax Return on the company's behalf. The company remains responsible for the accuracy of the return, so it is important to work with someone who understands your business and asks the right questions about your transactions before filing.

What happens if a company files its CT600 late?

HMRC can apply penalties and interest where a Company Tax Return is filed after the due date, and repeated late filing can lead to escalating consequences. The specifics depend on the length of the delay and the company's filing history. The practical answer is straightforward: keep your records in order, diarise the date, and start the preparation early so there is time to deal with any queries before the return is submitted.