─── Specialist Micro-Entity Accountants In The UK

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

Filing a CT600 Tax Return can feel like a lot to manage on top of running a company, especially when the figures in your accounts need adjusting before your taxable profit is clear. Our CT600 Tax Return Filing service in Ashington helps you prepare an accurate Company Tax Return, work through the Corporation Tax computation and submit your CT600 to HMRC with confidence. We review your accounting records, identify the adjustments typically needed for tax purposes, and make sure the figures reported to HMRC are supported by the information behind them. The CT600 is a separate filing from the statutory accounts you send to Companies House, and it is easy to confuse the two — we can look after both, or just the Corporation Tax side if your accounts are already prepared. What you get is a clear explanation of your Corporation Tax position, a properly prepared return and a straightforward filing process, without the jargon.

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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   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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 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 Micro-Entity CT600? Corporation Tax Filing for Small and Micro Companies

Micro-entity is an accounting term, not a type of tax return. There is no separate official ‘micro-entity CT600’ form — qualifying as a micro-entity affects how a company prepares its statutory accounts, but if HMRC has issued a notice to deliver a Company Tax Return, the company uses the same CT600 as any other company to report its Corporation Tax position. The accounting records and accounts prepared under a framework such as FRS 105 are usually the starting point for the Corporation Tax calculation, but they do not determine the tax liability on their own. Corporation Tax is calculated on taxable profit, which can differ from the accounting profit shown in the accounts because the computation may require adjustments — adding back items that are not allowable for tax, treating capital expenditure through capital allowances instead of depreciation, and reflecting any reliefs or other adjustments that apply. It is also worth separating filing from payment: submitting the CT600 to HMRC reports the company’s Corporation Tax position and tells HMRC what is due, while paying any Corporation Tax is a separate obligation with its own dates. Not every micro-entity will owe Corporation Tax — that depends on the company’s own circumstances and taxable position, and a company may still need to file a return even where no tax is payable.

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 File Your CT600? Get Your Company Tax Return Prepared and Submitted

If your accounting period has ended and the CT600 is still sitting on the to-do list, you are not alone — Corporation Tax computations, tax adjustments and HMRC’s online filing requirements are easy to put off when you are busy running the business. Micro Entity Accounts can take that off your desk. We prepare the CT600, work through the Corporation Tax computation and the adjustments needed to move from accounting profit to taxable profit, help you keep your Corporation Tax records organised, and submit the Company Tax Return to HMRC on your behalf. If your statutory accounts also need preparing, we can handle those as a separate exercise for Companies House. Get in touch to talk through your company’s position and see how straightforward CT600 Tax Return Filing in Ashington can be.

─── 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 Tax Return?

A CT600 is the form HMRC uses for a Company Tax Return. It reports a company's Corporation Tax position for an accounting period — the income and gains, allowable deductions, the resulting taxable profit and the Corporation Tax due or repayable — along with other information HMRC asks for. It is submitted to HMRC rather than Companies House, normally online through HMRC's Corporation Tax service or commercial filing software. In practice, the CT600 summarises figures that come from a Corporation Tax computation built on the company's accounts.

Who needs to file a CT600 with HMRC?

Most UK limited companies, and some other organisations that are liable to Corporation Tax, need to file a Company Tax Return when HMRC has issued a notice to deliver one. That notice can be issued even for a dormant period or a period where the company made a loss, so it is not safe to assume nothing needs to be filed because no tax is expected to be payable. Whether a return is required depends on the company's own circumstances, its Corporation Tax position and what HMRC has asked for, so it is worth checking rather than guessing.

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

No — they are two separate filings with two separate bodies. Statutory accounts are prepared under an accounting framework, such as FRS 105 or FRS 102, and are filed with Companies House. A CT600 is a Company Tax Return filed with HMRC and deals with Corporation Tax. The two are connected because the accounts are usually the starting point for the tax computation, but completing one does not satisfy the other, and the figures reported to HMRC may differ from the accounting figures once tax adjustments are made.

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

They work together, but they are not the same document. The Corporation Tax computation is the calculation that starts with your accounting profit, adds back items that are not allowable for tax, applies reliefs and allowances such as capital allowances, and arrives at taxable profit and the Corporation Tax figure. The CT600 is the return that reports those results to HMRC. You need the computation to complete the CT600 accurately, and keeping it on file also shows how the reported figures were arrived at.

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

Qualifying as a micro-entity affects how the statutory accounts are prepared, not which tax return is used. If HMRC has asked the company to deliver a Company Tax Return, it files the same CT600 as any other company. Whether Corporation Tax is actually payable depends on the company's taxable position — a micro-entity with losses, no taxable profit or relevant reliefs may owe nothing, but a return can still be required. Accounts preparation and Corporation Tax filing are related but separate processes, and the accounting framework used does not by itself determine the tax liability.

How is taxable profit worked out from accounting profit?

Taxable profit starts with the accounting profit shown in the accounts, but the calculation rarely stops there. The Corporation Tax computation adjusts for items that are not allowable for tax, removes depreciation and deals with capital expenditure through capital allowances instead, and takes account of other reliefs and adjustments that apply to the period. The end result is taxable profit, which can be higher or lower than the accounting profit. Corporation Tax is then calculated on that taxable figure using the rates and rules that apply to the accounting period.

Is submitting a CT600 the same as paying Corporation Tax?

No, the two are separate obligations. Filing the CT600 is how the company reports its Corporation Tax position and tells HMRC what is due; paying any Corporation Tax is a separate step that follows its own timetable. A company can submit its return and owe nothing, or owe tax that needs to be paid by the relevant payment date. Keeping filing and payment distinct in your records helps you see clearly what has been reported to HMRC and what has actually been paid.

What happens if a CT600 is filed late?

If a Company Tax Return is not filed by its deadline, HMRC can charge penalties, and interest or further penalties may also apply to any unpaid tax. HMRC's penalties generally increase the longer the return remains outstanding, and where no return is filed HMRC can issue a determination of the tax it believes is due. The practical answer is to file as soon as you can, or contact HMRC if there is a genuine reason for the delay — preparing the return early is by far the simplest way to avoid the problem.