─── Specialist Micro-Entity Accountants In The UK

CT600 Tax Return Filing in Thornaby: Prepare and File Your Company Tax Return with HMRC

Professional CT600 Tax Return Filing in Thornaby helps limited companies bring their figures together, understand their Corporation Tax position and submit a Company Tax Return to HMRC with care and accuracy. It is worth being clear from the outset: the CT600 is a tax return, not a set of statutory accounts. Your statutory accounts are a separate filing obligation, generally sent to Companies House, while the CT600 reports your company’s Corporation Tax position to HMRC. With proper CT600 Tax Return Filing support, your accounting profit is reviewed for tax adjustments, your taxable profit is calculated on a clear and defensible basis, and the completed Company Tax Return is filed with HMRC on your behalf, with the workings documented so you can see how the numbers were arrived at. For directors in and around Thornaby, that means fewer evenings spent wrestling with tax software and more confidence that the return reflects the company’s actual position.

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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   Sofia 
 
 
 
 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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   Zest For Life 
 
 
 
 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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   Hansen Personal Training 
 
 
 
 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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   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 .

What Does a CT600 Mean for a Micro-Entity Company?

There is no separate official “micro-entity CT600” form. The CT600 is the standard Company Tax Return that a UK company submits to HMRC to report its Corporation Tax position, and it is used across companies of all sizes — including those that meet the criteria to be treated as micro-entities for accounting purposes. Being a micro-entity changes how you prepare and file your statutory accounts, but it does not create a different tax return. Where a micro-entity company has a Corporation Tax obligation and HMRC requires a return, the company still needs to go through a CT600 Tax Return Filing process: gather the accounting records and accounts, review the figures for tax adjustments, work out the taxable profit, and submit the return. It helps to understand that accounting profit and taxable profit are not always the same figure, because expenses that are allowable in the accounts may be disallowed for tax, and reliefs or allowances may need to be factored in. It is also worth separating filing from payment: submitting a CT600 reports the position, while whether any Corporation Tax is actually payable depends on the company’s own circumstances and taxable position. Accounts preparation and Corporation Tax filing are related but distinct processes, and the accounting framework a company uses does not by itself determine its Corporation Tax liability.

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.

Ready to Hand Over Your CT600 Tax Return Filing in Thornaby?

Putting a Company Tax Return together is rarely anyone’s favourite job. There is the Corporation Tax computation to work through, tax adjustments to review, records that may need tidying up, and HMRC’s filing requirements to meet — all while you are trying to run the business. Micro Entity Accounts can take that off your desk, helping you prepare the CT600, build the Corporation Tax computation, review the adjustments between accounting profit and taxable profit, and file your Company Tax Return with HMRC. If you would rather spend your time on the business than on tax workings, get in touch and let us help you get your CT600 Tax Return Filing in Thornaby sorted.

─── 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 a UK limited company uses to submit its Company Tax Return to HMRC. It reports the company's Corporation Tax position for an accounting period, including figures drawn from the company's accounts and a Corporation Tax computation showing how taxable profit has been arrived at. It is a tax filing, not a set of statutory accounts, and it is submitted to HMRC rather than to Companies House.

Is a CT600 different from statutory accounts?

Yes. Statutory accounts are prepared under an accounting framework and are generally filed with Companies House as part of the company's public filing obligations. The CT600 is the Company Tax Return submitted to HMRC. The two are prepared from the same underlying records and share many figures, but they serve different purposes and go to different authorities, which is why accounts preparation and CT600 Tax Return Filing are usually treated as related but separate pieces of work.

Is a CT600 different from a Corporation Tax computation?

They go together, but they are not the same thing. The Corporation Tax computation is the working paper that starts with the company's accounting profit, adds back disallowable expenditure, deducts allowable items and reliefs, and arrives at the taxable profit and the resulting Corporation Tax figure. The CT600 is the return itself, which reports those figures to HMRC. In practice, the computation is usually prepared first and then used to complete the CT600.

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

It depends on the company's circumstances. Being a micro-entity affects how the statutory accounts are prepared; it does not exempt a company from Corporation Tax reporting. Where a company has a Corporation Tax obligation and HMRC requires a Company Tax Return for the period, a CT600 needs to be filed regardless of size. Not every micro-entity will have Corporation Tax payable, but the filing requirement is driven by the company's own position rather than by its accounting category.

Can a company file its CT600 without filing its accounts?

The two obligations run in parallel rather than one replacing the other. Statutory accounts still need to be prepared and filed with Companies House under the company's own filing requirements, while the CT600 is filed with HMRC. Filing accounts at Companies House does not satisfy the Corporation Tax reporting requirement, and filing a CT600 does not remove the need to file accounts. Keeping both on the same timetable helps avoid last-minute scrambling for figures.

What information is needed to prepare a CT600?

Typically we need the company's accounting records and period-end accounts, details of income and expenditure, fixed asset and capital allowance information, any loan or director's account details, and the figures for the accounting period covered by the return. Confirmation of the company's registration details with HMRC is also useful. If records are incomplete, that is not unusual — part of CT600 Tax Return Filing support is helping you identify what is missing and how to fill the gap.

How is taxable profit calculated from accounting profit?

The starting point is usually the accounting profit shown in the company's accounts. From there, the Corporation Tax computation adjusts for items treated differently for tax purposes — for example, adding back expenditure that is not allowable for tax, deducting allowable reliefs or capital allowances, and accounting for items such as disallowed depreciation and any non-trading income treated separately. The result is the taxable profit on which any Corporation Tax is based, which can therefore differ from the accounting profit shown in the accounts.

Is filing a CT600 the same as paying Corporation Tax?

No. Submitting the CT600 is the reporting step: it tells HMRC what the company's position is for the period. Paying Corporation Tax is a separate obligation with its own payment arrangements and dates. A company can file its return and have nothing to pay, or it can have a liability to settle. Once the return is prepared, we can help you understand both the filing and the payment position clearly.