Engagement Letter Template for Dormant Accounts & Corporation Tax Return

Prepare dormant accounts and corporation tax returns with clarity, compliance, and expert-backed responsibilities – perfect for directors managing dormant companies.

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Last updated: August 2025

Dormant Accounts & Corporation Tax Return

This schedule should be read in conjunction with the engagement letter and the standard terms and conditions.

Introduction

You have engaged us to help you prepare the dormant accounts and dormant corporation tax return.

Your Responsibilities

Dormant Company Accounts

As directors of the company, you are required by statute for preparing financial statements for each financial year, which give a true and fair view of the state of affairs of the company and of its profit or loss for that period and which have been prepared in accordance with the Companies Act 2006. It is your responsibility to keep proper accounting records that disclose with reasonable accuracy at any particular time the financial position of the company and for ensuring that the financial statements comply with applicable accounting standards and with the Companies Act 2006 and give a true and fair view. By approving the financial statements, you will be acknowledging this responsibility. You are responsible for ensuring that the company complies with the laws and regulations that apply to its activities, and for preventing non-compliance and detecting any that occurs. You are responsible for determining whether, in respect of the year concerned, the company meets the conditions for dormant companies as set out in section 1169 of the Companies Act 2006. As per Section 1169, the company is dormant during the period in which it has no significant accounting transaction. A ‘significant’ accounting transaction is defined as one that the company should enter in its accounting records. In determining whether a company is dormant or not, following transactions are not treated as significant accounting transactions:
  • any filing fees paid to Companies House
  • penalties paid for late filing of accounts
  • money paid for shares when the company was incorporated
If the company has a bank account, earn any income (even small interest) or incur any expenses (even bank charges) except the specific exceptions, the company will not qualify as dormant. You will also need to make other necessary filings to the Companies House (including annual confirmation statement). If you want us to carry out such other duties, you will need to sign separate engagement letter.

Dormant Corporation Tax Return

You are legally responsible for:
  • ensuring that the corporation tax return (including tax computation, any other attached or enclosed information, XBRL tags and iXBRL file) is correct and complete;
  • filing any returns by the due date; and
  • paying tax on time.
Failure to do this may lead to penalties and/or interest. Legal responsibility for approval of the return cannot be delegated to others. You agree to check that the forms that we have prepared for you are complete before they approve them. You are legally responsible to check and confirm whether the company meets the definition of dormant for corporation tax purposes. Your company will generally be considered dormant for corporation tax purposes if any of the following conditions are met:
  • It is not trading and does not have any income.
  • It is new limited company and hasn’t started trading yet.
  • It is flat management company.
  • It is unincorporated association or charity that owes less than £100 of corporation tax.
If you can any confusion on whether the company meets dormant company criteria or not, please contact us to clarify. Where you wish us to deal with HMRC communications you will forward to us all communications received from HMRC such as HMRC statements of account, copies of notices of assessment and letters. These must be provided in time to enable us to deal with them as may be necessary within the statutory time limits. It is essential that you let us have copies of any correspondence received because HMRC is not obliged to send us copies of all communications issued to you. HMRC will send you an agent authorisation code which expires within 30 days of issue. Please send this to us as soon as you receive it. This code will enable us to register as your agent with HMRC. This authorises HMRC to communicate with us as your agent, although they consider that you should still take ‘reasonable care’ over your tax affairs. The work carried out within this engagement will be in respect of the company’s tax affairs. Any work to be carried out for the directors on a personal basis will be set out in a separate letter of engagement.

Our Responsibilities

Dormant Company Accounts

You have told us that the company is dormant for Companies House and Corporation tax. We will not check whether this is the case. However, if we find that the company does not qualify as dormant, we will inform you. As you have told us the company is dormant, we will not request any books and records, bank statements and other documents in relation to the transactions of the company on the assumption that the company does not have any transactions at all. You will need to inform us immediately if this is the case or the situation of the company changes and it becomes non-dormant. We will be preparing dormant accounts and file it to the Companies House.

Corporation Tax Return and iXBRL Tags

We will prepare dormant corporation tax return. If you instruct us, we will tell HMRC that the company is dormant and will not be filing corporation tax return going forward. However, you will need to inform HMRC as soon as the company’s status changes to non-dormant.

Changes in the Law, in Practice or in Public Policy

We will not accept responsibility if you act on advice given by us on an earlier occasion without first confirming with us that the advice is still valid in the light of any change in the law, practice, public policy or in your circumstances. We will accept no liability for losses arising from changes in the law (or the interpretation thereof), practice or public policy that are first published after the date on which the advice is given.

Limitation of Liability

Our services as detailed above are subject to the limitations on our liability set out in the engagement letter and in of our standard terms and conditions of business. These are important provisions, which you should read and consider carefully. There are no third parties that we have agreed should be entitled to rely on the work done pursuant to this engagement letter.

Everything This Template Covers

Fully structured, professionally written, and built for directors handling dormant company responsibilities.

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What is the purpose of this engagement letter template?

The engagement letter template helps define the scope of work, responsibilities, and terms of agreement between you and your client. It ensures both parties have clear expectations and a mutual understanding of the service arrangement.

Who can use this template?

This template is ideal for:

  • Accountants
  • Bookkeepers
  • Tax Advisers

What sections are included in the template?

The template includes:

Scope of Services: Outlining the tasks related to the service
Client Responsibilities: Clearly defining what the client needs to provide.
Other Key arrangements: Covering other key agreements related to the service.

Can I customise the template to suit my business needs?

Yes, the template is fully customisable. You can modify sections to align with your business practices, legal requirements, and client preferences.

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