─── Specialist Micro-Entity Accountants In The UK

CT600 Tax Return Filing in Twickenham: Prepare and Submit Your Company Tax Return to HMRC

Professional CT600 Tax Return Filing in Twickenham helps company directors and owners prepare their Corporation Tax position and submit a Company Tax Return to HMRC with accuracy and clarity. The CT600 is a separate filing from the statutory accounts submitted to Companies House, and it reports the company’s Corporation Tax position for the relevant accounting period. It is also distinct from other company filings such as Confirmation Statements and VAT Returns, each of which has its own purpose and requirements. We can support you with the figures, the tax adjustments and the online submission, making the process more convenient and helping you keep your records organised. Whether you are filing for the first time or need help with an ongoing return, professional support can reduce the administrative burden and give you confidence that your CT600 Tax Return Filing is handled methodically. The company remains responsible for the information filed and for paying any Corporation Tax due, but we can help you understand what is needed at each stage.

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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   Pete Wrist 
 
 
 
 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 .

CT600 Tax Return Filing for Micro-Entity Companies: What You Need to Know

A micro-entity company can still have Corporation Tax obligations, and where HMRC requires a Company Tax Return, the company needs to submit a CT600 to HMRC. There is no separate official “micro-entity CT600” form; the CT600 is the same Company Tax Return used to report a company’s Corporation Tax position, although the size and complexity of a micro-entity’s affairs may affect the accounts and information involved. A CT600 is separate from the statutory accounts filed with Companies House. The company’s accounting records and accounts are often used as the starting point for the Corporation Tax calculation, but taxable profit can differ from accounting profit because the Corporation Tax computation may require adjustments, such as adding back disallowable expenses or claiming available reliefs. Not every micro-entity will owe Corporation Tax—the company’s circumstances and taxable position determine whether Corporation Tax is payable. Filing the CT600 and paying Corporation Tax are also separate obligations: submitting the return reports the position, while payment is handled separately. For CT600 Tax Return Filing in Twickenham, professional support can help micro-entity directors understand these distinctions and prepare the return accurately.

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.

Need Help With CT600 Tax Return Filing in Twickenham?

Preparing a Company Tax Return can feel complicated, especially when you need to move from accounting profit to taxable profit, keep Corporation Tax records organised and meet HMRC’s filing requirements. Micro Entity Accounts can help with CT600 preparation, Corporation Tax computation, tax adjustment review and HMRC filing, giving you a clearer route through the process. If you would rather focus on running your Twickenham company and leave the return to professionals, get in touch to discuss your CT600 Tax Return Filing requirements.

─── 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 used to submit a Company Tax Return to HMRC. It reports a company’s Corporation Tax position for an accounting period, including income, gains, deductions, reliefs and the resulting tax calculation. CT600 Tax Return Filing is the process of preparing that information and submitting the return to HMRC. The CT600 is not a payment and it is not the same as statutory accounts filed with Companies House; it is a tax return that sits alongside the company’s other filing obligations.

Who needs to file a CT600?

A company may need to file a CT600 if it is liable to Corporation Tax, if HMRC has issued a notice to file a Company Tax Return, or if it otherwise has a Corporation Tax filing requirement for an accounting period. This can apply to companies of different sizes, including smaller companies and micro-entities. Whether a return is required depends on the company’s circumstances and taxable position, so it is worth checking the position for each accounting period rather than assuming that no return is needed because no tax is payable.

Is a CT600 different from statutory accounts?

Yes. Statutory accounts are prepared under company law and filed with Companies House, while a CT600 is a Company Tax Return submitted to HMRC. The two are related because the accounts often provide the starting figures for the Corporation Tax computation, but they are separate documents with separate purposes. Filing a CT600 does not replace the requirement to file statutory accounts, and filing statutory accounts does not replace the requirement to file a Company Tax Return where one is due.

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

It depends on the company’s circumstances. Being a micro-entity affects the accounting framework and the level of detail in the accounts, but it does not automatically remove Corporation Tax obligations or create a separate “micro-entity CT600u201d. A micro-entity company may still need to submit a Company Tax Return to HMRC if it is liable to Corporation Tax, if HMRC requires a return, or if another filing requirement applies. Even where no Corporation Tax is payable, a return may still be required in some cases. Filing the CT600 and paying Corporation Tax are separate steps, so the filing obligation and the payment position should be considered individually.

Is a CT600 different from a Corporation Tax computation?

Yes. The CT600 is the return form submitted to HMRC, while the Corporation Tax computation is the supporting calculation that starts with the company’s accounting profit and makes the necessary tax adjustments to arrive at taxable profit. The computation may include add-backs, deductions, reliefs and capital allowances, depending on the company’s activities. A CT600 Tax Return Filing often involves preparing or reviewing the computation alongside the return, because HMRC may need to see how the tax figure has been calculated.

What information is needed to prepare a CT600?

To prepare a CT600, you normally need the company’s accounting records for the period, including income, expenses, assets, liabilities and any relevant notes or schedules. It also helps to have the statutory accounts or draft accounts, details of capital expenditure, information about any tax adjustments, and records of previous returns or losses where relevant. The company’s Unique Taxpayer Reference and accounting period details are also needed. Because taxable profit can differ from accounting profit, the preparation process usually involves reviewing the figures for items that need to be treated differently for Corporation Tax.

Is filing a CT600 the same as paying Corporation Tax?

No. Filing a CT600 is the act of submitting the Company Tax Return to HMRC and reporting the company’s Corporation Tax position. Paying Corporation Tax is a separate obligation. A company can have a filing requirement even if no Corporation Tax is payable, and where tax is payable, the payment must be made separately. The deadlines for filing and payment can also be different, so it is important to check HMRCu2019s current guidance and keep both obligations in view.

What happens if a company files its CT600 late?

If a CT600 is filed late, HMRC may apply penalties and interest under its late filing rules. The exact outcome depends on how late the return is and the company’s circumstances, so it is not possible to give a single answer that covers every case. The best approach is to file as soon as possible, keep HMRC informed where appropriate, and seek professional advice if you are unsure about the position. Professional CT600 Tax Return Filing support can help you prepare and submit the return, but any penalties already applied by HMRC are a separate matter.