─── Specialist Micro-Entity Accountants In The UK

CT600 Tax Return Filing in Kingston upon Hull: Prepare and File Your Company Tax Return with HMRC

CT600 Tax Return Filing is the process of preparing and submitting your company’s Company Tax Return to HMRC so that its Corporation Tax position is reported accurately. For companies based in Kingston upon Hull, professional support takes the guesswork out of working through the figures, checking that income, allowable expenses and reliefs have been treated correctly, and handling the HMRC submission itself. It is important to remember that the CT600 is not the same as the statutory accounts filed with Companies House — they are separate documents with separate purposes and separate filing routes. Statutory accounts report the company’s financial performance and position, while the CT600 reports its Corporation Tax position to HMRC. The two are closely connected, because the accounting figures normally form the starting point for the Corporation Tax computation, but they are not interchangeable. Good CT600 Tax Return Filing in Kingston upon Hull means clear explanations, tidy Corporation Tax records, and a return that reflects your company’s circumstances as fully as possible.

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.

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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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 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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 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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What Is a CT600 and How Does It Work for Companies Operating as Micro-Entities?

There is no separate official form called a “micro-entity CT600”. The CT600 is the standard Company Tax Return used to report a company’s Corporation Tax position to HMRC, and it applies whether the company prepares accounts under a micro-entity framework such as FRS 105, a small company framework, or fuller accounting standards. A company that operates as a micro-entity may still have Corporation Tax obligations and, where HMRC requires a Company Tax Return, it needs to submit a CT600 — although whether Corporation Tax is actually payable depends on the company’s circumstances and its taxable position. Filing is one obligation; payment is another, and the two are dealt with separately. It also helps to keep the paperwork distinct. A micro-entity’s statutory accounts are prepared and filed with Companies House, whereas the CT600 goes to HMRC. The accounting records and the figures in those accounts normally feed into the Corporation Tax calculation, but the accounts do not by themselves determine the tax bill, and the accounting framework used does not set the liability. Taxable profit can differ from accounting profit because the Corporation Tax computation may require adjustments — for example adding back disallowable expenditure, deducting allowable capital allowances, or dealing with items that are treated differently for tax than they are in the accounts. Working through those adjustments carefully is what turns accounting profit into the taxable profit reported on the CT600.

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 the Numbers: Professional CT600 Tax Return Filing in Kingston upon Hull

Preparing a Company Tax Return often becomes complicated once you start adjusting accounting profit for tax, tracking down the records behind each figure, and working out exactly what HMRC needs from the CT600. Micro Entity Accounts supports companies in Kingston upon Hull with CT600 preparation, Corporation Tax computation, tax adjustment review and the HMRC filing itself, so the return is prepared carefully and submitted through the correct channel. We keep the process straightforward, explain the figures in plain English, and help you keep your Corporation Tax records organised throughout the year. Get in touch to talk through your company’s CT600 Tax Return Filing requirements and let us take the administrative burden 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?

A 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, deductions and reliefs, and arrives at the taxable profit and the Corporation Tax due for the accounting period. It is submitted to HMRC, not to Companies House, and it is the formal document through which a company reports its Corporation Tax position for a given period.

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

Yes, they are two separate documents with two separate purposes. Statutory accounts are prepared for the company's members and filed at Companies House, showing the company's financial performance and position. The CT600 is the Company Tax Return submitted to HMRC, reporting the Corporation Tax position. The accounting figures from the statutory accounts are usually the starting point for the tax calculation, but the CT600 and the accounts are prepared and filed independently of one another.

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

Possibly, depending on the company's circumstances. Operating as a micro-entity changes how the statutory accounts are prepared and filed with Companies House, but it does not automatically remove the need to deal with HMRC. Where HMRC requires a Company Tax Return, the company needs to submit a CT600. Whether any Corporation Tax is actually payable is a separate question, determined by the company's taxable position rather than by the accounting framework used.

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

The Corporation Tax computation is the working that starts from the accounting profit in the accounts and makes the necessary tax adjustments — such as adding back disallowable expenditure and deducting allowable capital allowances — to arrive at the taxable profit and the Corporation Tax liability. The CT600 is the return itself, submitted to HMRC, which reports those figures. In practice the computation supports the CT600 rather than replacing it.

What information is needed to prepare a CT600?

Typically the preparation starts with the company's accounts or a trial balance for the accounting period, together with the underlying records behind income and expenditure. Supporting information often includes details of fixed asset purchases and disposals, expense records, payroll information, interest and investment income, and any other items that affect the tax position. Having the records organised in advance makes the tax adjustments far easier to identify and explain.

How is taxable profit calculated from accounting profit?

Accounting profit is the starting point, but it is rarely the same as taxable profit. The Corporation Tax computation adjusts the accounting figures by adding back items that are not allowable for tax, deducting items that are allowable but treated differently in the accounts, and applying reliefs such as capital allowances. The result is the taxable profit on which Corporation Tax, if any, is calculated. Because those adjustments depend on the individual company's transactions, the computation needs to be worked through carefully rather than assumed.

Is filing a CT600 the same as paying Corporation Tax?

No. Filing the CT600 is about reporting the company's Corporation Tax position to HMRC by the relevant deadline. Paying Corporation Tax is a separate obligation, with its own payment arrangements and dates, and the amount payable — if anything is payable at all — depends on the figures in the computation. A company can have a filing obligation even where no Corporation Tax is due, so the two should always be treated as distinct tasks.

What happens if a company files its CT600 late?

HMRC expects Company Tax Returns to be filed by the statutory deadline that applies to the company, and filing late can lead to penalties and interest, with the exact treatment depending on how long the return is outstanding and on HMRC's rules. Submitting the return late does not remove the obligation to file it — the company still needs to send an accurate CT600. If you are concerned that a return may be late, it is sensible to prepare the figures as quickly as possible and to take advice on your company's specific position.