─── Specialist Micro-Entity Accountants In The UK

CT600 Tax Return Filing in Upton St Leonards — Prepare and Submit Your Company Tax Return to HMRC

CT600 Tax Return Filing is the process of preparing and submitting your company’s Company Tax Return to HM Revenue & Customs so that your Corporation Tax position is reported accurately. For directors in Upton St Leonards, professional support with CT600 Tax Return Filing means the figures drawn from your accounting records are reviewed, any tax adjustments are considered, and the completed return is filed with HMRC on your behalf. It is important to understand that the CT600 is not the same as the statutory accounts you file with Companies House — they are separate obligations, prepared for different audiences, even though they draw on the same underlying bookkeeping. Good CT600 Tax Return Filing brings clarity: you know what has been reported, why the taxable profit may differ from your accounting profit, and that your submission has been checked carefully before it goes to HMRC. It also removes the administrative burden of working through the return yourself, so you can stay focused on running the business while your Corporation Tax reporting is handled properly.

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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 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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 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. 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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   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 CT600, and How Does It Apply to Micro-Entity Companies in Upton St Leonards?

There is no separate official “micro-entity CT600” form. A CT600 is simply the Company Tax Return that a UK company submits to HMRC to report its Corporation Tax position, and it is used by companies of all sizes — including those that prepare their accounts under a small or micro-entity framework. If your company operates as a micro-entity, you may still have Corporation Tax obligations, and where HMRC requires a Company Tax Return, a CT600 will need to be prepared and filed. It is worth being clear about three separate things. First, the CT600 is the tax return submitted to HMRC; it is not the statutory accounts filed with Companies House, and it is not a Confirmation Statement or a VAT Return. Second, your accounting records and the accounts you prepare may be used as the starting point for the Corporation Tax calculation. Third, the profit shown in your accounts — your accounting profit — is not automatically the same as your taxable profit. Corporation Tax calculations can require adjustments, such as adding back disallowable expenditure or deducting items treated differently for tax purposes, before the taxable profit and any resulting Corporation Tax liability are determined. Whether a micro-entity company actually owes Corporation Tax depends on its own circumstances and taxable position for the period. It is also important not to confuse filing the CT600 with paying Corporation Tax: the return reports the position, while payment is a separate obligation handled through HMRC’s own payment arrangements. Preparing accounts and filing a Company Tax Return are related processes, but they are not the same task, and treating them as such is where errors often creep in.

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 Upton St Leonards

Preparing a Company Tax Return can quickly become complicated — especially when you need to work out your taxable profit, decide which expenses are allowable for tax, and keep your Corporation Tax records organised alongside everything else the business demands. Micro Entity Accounts supports directors in Upton St Leonards with CT600 Tax Return Filing from start to finish, including CT600 preparation, Corporation Tax computation, a review of the tax adjustments needed to move from accounting profit to taxable profit, and submission of the Company Tax Return to HMRC. If you would rather not spend your evenings buried in figures and HMRC guidance, get in touch with Micro Entity Accounts and let us take the filing off your hands — clear, straightforward support so your CT600 Tax Return Filing is prepared carefully and submitted with confidence.

─── 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 formal name of the Company Tax Return that a UK company submits to HM Revenue & Customs. It reports the company's income, expenses, profits and Corporation Tax position for an accounting period, and it is filed electronically with HMRC. It is a tax document, not a set of accounts, although the figures used to complete it will usually be based on the company's accounting records and accounts.

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

No — they are two separate filings with two different bodies. The CT600 is your Company Tax Return, submitted to HMRC to report your Corporation Tax position. Statutory accounts are filed with Companies House and are a company law requirement, prepared under an applicable accounting framework such as FRS 105 or FRS 102. The two documents often start from the same underlying figures, but they serve different purposes and are prepared to different rules, so filing one does not discharge the obligation to file the other.

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

It can do. Operating as a micro-entity affects how your accounts are prepared and filed with Companies House, but it does not automatically remove the need to report to HMRC. Whether your company must submit a Company Tax Return depends on its own circumstances and whether HMRC has issued a notice to deliver a return. Many companies do need to file, and some companies that expect no Corporation Tax to be payable may still have a filing obligation. Because the position is specific to each company, it is worth checking rather than assuming.

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

The Corporation Tax computation is the working calculation that starts with your accounting profit and adjusts it to arrive at your taxable profit — for example, by adding back expenditure that is not allowable for tax or treating certain items differently from the accounts. The CT600 is the actual return submitted to HMRC, and the figures from the computation feed into it. In practice, the computation supports and explains the numbers shown on the return.

Is filing a CT600 the same as paying Corporation Tax?

No. Filing the CT600 reports your company's Corporation Tax position to HMRC, while paying Corporation Tax is a separate obligation with its own arrangements and timings. Submitting the return does not, by itself, settle any liability your company may have. It is worth planning for both, because a company can have a filing obligation even when no Corporation Tax is payable, and vice versa.

What information is needed to prepare a CT600?

Typically you will need your accounting records for the period, a set of accounts or draft accounts, details of income and expenditure, information on capital items and any other transactions that may affect the tax position, and the company's registration details for HMRC. Where adjustments are needed, supporting notes or schedules help. If records are incomplete or transactions are unclear, it is usually better to sort that out before the return is prepared rather than after.

How is taxable profit calculated from accounting profit?

Taxable profit starts with the profit shown in the accounts and is then adjusted for tax purposes. Common examples include adding back expenditure that is not allowable as a deduction for tax, adjusting for items treated differently under tax rules, and accounting for reliefs or allowances where they apply. The result is the taxable profit used to work out any Corporation Tax liability. Because these adjustments depend on the company's specific transactions, the calculation is not simply a copy of the accounts.

Can someone prepare and file my CT600 on behalf of my company in Upton St Leonards?

Yes. A company can appoint an agent to prepare its Corporation Tax computation and file its Company Tax Return with HMRC. This is common for directors who would rather not work through the tax adjustments themselves or who want the return checked before submission. You remain responsible for the accuracy of the information provided and for ensuring your filing obligations are met, so it is important to work with someone who asks the right questions and keeps you informed about what is being reported.