─── Specialist Micro-Entity Accountants In The UK

CT600 Tax Return Filing in Ilkley: 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. It involves more than transferring the figures from your year-end accounts into an online form — the company’s accounting profit usually needs to be reviewed and adjusted before the taxable profit, and any Corporation Tax due, can be calculated. Our CT600 Tax Return Filing service in Ilkley supports company directors through that process: collating the information needed, preparing the Corporation Tax computation, reviewing the tax adjustments, and submitting the Company Tax Return to HMRC on time. It is important to be clear that a CT600 is not the same thing as the statutory accounts filed with Companies House. The two are related, because both draw on the same underlying records, but they are separate documents with separate purposes and separate filing routes. Statutory accounts are prepared under an accounting framework and filed at Companies House; the CT600 is a tax return filed with HMRC. Other obligations, such as the Confirmation Statement, VAT Returns and payroll reporting, sit outside the CT600 as well. Professional support here is about accuracy, a clear audit trail for the figures used, and the convenience of having the paperwork organised so that filing is not left to the last minute. If you would rather focus on running the business than working through tax adjustments and HMRC’s filing system, we can take that on for you.

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  
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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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   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.
  
 
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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.

Is There a Separate Micro-Entity CT600? Understanding CT600 Tax Return Filing for Small and Micro Companies in Ilkley

There is no separate official “micro-entity CT600” form. A micro-entity company that is within the charge to Corporation Tax uses the same Company Tax Return — the CT600 — as any other UK company. What differs is the accounting side: a company that qualifies as a micro-entity may prepare its statutory accounts under a simplified framework, which affects the format and level of detail in those accounts. That accounting framework does not, by itself, determine the company’s Corporation Tax liability. The Corporation Tax position is worked out separately, starting from the company’s accounting records and accounts but then applying the tax rules. This is why accounts preparation and Corporation Tax filing are related yet distinct processes. For a micro-entity company, the figures in the accounts are typically the starting point for the Corporation Tax computation, and that computation may require adjustments. Common examples include disallowable expenditure such as certain entertaining costs, depreciation added back and replaced with capital allowances, and other timing or treatment differences. The result is that taxable profit can be higher or lower than the accounting profit shown in the accounts. Not every micro-entity will owe Corporation Tax — whether any is payable depends on the company’s circumstances and its taxable position for the period. It is also worth separating two ideas that are often confused: submitting the CT600 to HMRC is a filing obligation, while paying any Corporation Tax due is a separate payment obligation with its own timing. Preparing and filing the return does not itself settle the tax, and paying the tax does not replace the need to file. If your company is in Ilkley and you are unsure how the accounts, the computation and the CT600 fit together, professional CT600 Tax Return Filing can help you work through each step in the right order.

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 Ilkley

Preparing a Company Tax Return is rarely as straightforward as copying figures across from the year-end accounts. The taxable profit has to be worked out from the accounting profit, adjustments need to be identified and explained, and the return has to be submitted to HMRC through the right channel with supporting records that make sense if anyone asks questions later. Many directors find that the Corporation Tax computation is the part that eats the time, particularly when capital allowances, disallowable costs or timing differences are involved. Micro Entity Accounts works with limited companies in Ilkley and the surrounding area on CT600 preparation, Corporation Tax computation, tax adjustment review and submission of the Company Tax Return to HMRC, all supported by clear, transparent pricing and fixed-fee options. Get in touch to talk through your company’s position and let us take the filing off your desk.

─── 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 form HMRC uses for a Company Tax Return. It is the document through which a UK company reports its Corporation Tax position for an accounting period — the income, the deductions, the taxable profit and the resulting Corporation Tax. It is submitted to HMRC, normally online, rather than to Companies House. A CT600 is specific to the company and the period it covers, so a company with more than one accounting period will generally have more than one Company Tax Return to file.

Who needs to file a CT600?

A company generally needs to submit a Company Tax Return for an accounting period if HMRC has issued a notice to file, or if the company has Corporation Tax liabilities or other matters to report for that period. The precise position depends on the company's circumstances, including whether it has been active, dormant or newly incorporated. Because the requirement is fact-specific, it is worth checking your company's own position rather than assuming a rule applies to everyone. If HMRC has asked your company for a return, that request needs to be dealt with.

Is a CT600 different from statutory accounts?

Yes, and it is a distinction worth keeping clear. Statutory accounts are prepared under an accounting framework and filed at Companies House. A CT600 Tax Return Filing is submitted to HMRC and reports the Corporation Tax position. They draw on the same underlying accounting records, and the accounts are often the starting point for the tax work, but they are separate documents, filed with separate bodies, serving separate purposes. Filing one does not discharge the obligation to file the other.

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

Being a micro-entity is an accounting concept based on the company's size and the framework it uses for its accounts. It does not create a separate or simplified tax return, and it does not automatically remove the need to file a Company Tax Return. Whether a particular micro-entity company needs to submit a CT600 depends on its own circumstances — for example whether HMRC has issued a notice to file, or whether there are matters to report for the period. Not every micro-entity will owe Corporation Tax, but the filing position is a separate question from whether tax is payable.

Is a CT600 different from a Corporation Tax computation?

Yes. The Corporation Tax computation is the working paper that takes the company's accounting profit, applies the relevant tax adjustments, and arrives at the taxable profit and the Corporation Tax figure. The CT600 is the return that reports those results to HMRC. You need the computation before you can complete the return accurately, which is why a tax adjustment review is often the most valuable part of the process — it is where disallowable costs, depreciation, capital allowances and similar items are dealt with.

How is taxable profit calculated from accounting profit?

The starting point is usually the accounting profit shown in the company's accounts. From there, adjustments are made in line with the tax rules. Expenditure that is not allowable for tax purposes may be added back, depreciation charged in the accounts is typically added back and replaced with any available capital allowances, and other timing or treatment differences may be reflected. The outcome can be a taxable profit that is higher or lower than the accounting profit. The computation should show each adjustment clearly so the figures can be followed and supported.

Is filing a CT600 the same as paying Corporation Tax?

No. Filing and payment are separate obligations with separate deadlines and separate processes. Submitting the Company Tax Return tells HMRC what the company's position is; paying any Corporation Tax due settles the liability itself. A company may have no tax to pay and still have a return to file, and equally the tax may fall due before or after the return is submitted depending on the period involved. It is worth keeping both dates in view so neither is overlooked.

What happens if a company files its CT600 late?

HMRC can apply penalties and interest where a Company Tax Return is filed late or where tax is paid late, and the amount can increase the longer the delay continues. The specifics depend on the period and the circumstances, and commitments about the outcome cannot realistically be made in advance. The practical point is that responding to any HMRC correspondence promptly, and bringing the filing up to date with properly prepared figures, is far better than leaving it unresolved.