This guide is maintained as a current resource for September 2026 and covers only the laws of England and Wales. Information is for general guidance, not legal advice. Consult a qualified solicitor for advice specific to your situation.
Comprehensive guide to dormant company registration in the UK, explaining how a limited company becomes dormant, the differences in definitions for Companies House and HMRC, ongoing filing and compliance duties, obligations for dormant accounts and confirmation statements, and steps when restarting activity.
A dormant company is a legally registered company that is temporarily inactive - it does not carry out business, generate income, or make significant transactions during a financial year. Dormancy is a recognised status under UK corporate law, applying mainly for Companies House and HM Revenue & Customs (HMRC) purposes. Many business owners use dormancy to preserve a company name, restructure a business, or pause operations without striking the company off the register. However, even when inactive, dormant companies have ongoing compliance obligations and legal responsibilities that must be understood and met to avoid penalties and statutory enforcement.
This article explains what a dormant company is, how to register one as dormant for tax and corporate purposes, what filings and deadlines apply, how to restart an inactive company, and common legal issues you should consider.
What Is a Dormant Company?
Definition for Company Law
For Companies House purposes, a company is dormant if it has had no ‘significant accounting transactions' during the accounting period. This means it has not engaged in normal business activities such as purchasing goods, making sales, paying salaries or receiving income. Certain transactions are allowed without undermining dormant status, including:
- Payment for shares on incorporation.
- Filing fees paid to Companies House.
- Penalties for late filing.
A dormant company remains on the public register and retains its legal existence, but its accounts and filing obligations may be simplified.
Definition for Tax Purposes
For Corporation Tax, HMRC considers a company dormant if it has stopped trading and has no other income or if it is a newly formed company that has not yet begun trading. Dormancy for tax and corporate reporting are related but separate concepts; a company may be dormant for tax but not necessarily for Companies House, and vice versa.
Trading (and therefore non‑dormancy) is broadly defined - even receiving bank interest or renting property can count as trading for tax purposes.
Why Register a Company as Dormant?
There are several legitimate reasons for maintaining a dormant company:
- Preserving a company name: Holding a legally registered name until you're ready to launch.
- Pausing operations: Temporarily suspending business activity, perhaps while restructuring or awaiting resources.
- Asset holding: Keeping intellectual property, licences or property in a corporate entity.
- Future plans: Establishing company age or credit history before starting actual trading.
Dormancy can reduce administrative burden while preserving legal and commercial benefits.
How to Register as Dormant
Informing HMRC for Corporation Tax
To be treated as dormant for Corporation Tax, you can tell HMRC that your company is dormant if you expect no taxable activity, income or liabilities for the foreseeable period. HMRC may respond to confirm that the company is ‘inactive' and no tax returns are required.
If your company has already been notified by HMRC to deliver a Corporation Tax return, you may need to file that return showing no activity before HMRC will consider the company dormant.
Important: If the company is already registered for VAT or operates a PAYE scheme but becomes dormant, it may need to deregister for those taxes or close the scheme, unless trading is expected to resume.
Filing Dormant Company Accounts with Companies House
For Companies House, you don't formally “register” a company as dormant ahead of time. Instead, you reflect dormant status in the company's annual accounts. If the company has had no significant accounting transactions, it may file dormant accounts, which are simplified and free to submit.
Dormant company accounts generally include a simple balance sheet with minimal items and a statement confirming dormancy throughout the period. If the company qualifies as ‘small' under UK law, additional audit exemptions may apply.
A confirmation statement must still be filed at least once every 12 months, confirming company details such as directors, registered office, and share structure, despite inactivity.
Compliance Obligations for Dormant Companies
Annual Filing Deadlines
Even when dormant, a company must:
- File dormant or annual accounts with Companies House.
- Submit a confirmation statement at least once a year.
The deadlines for these filings are usually tied to the company's accounting reference date and incorporation anniversary.
Director Responsibilities
Directors remain legally responsible for ensuring that all statutory filings are made on time and that company records (such as registers of directors, PSCs, and shareholdings) are up to date. Failure to comply can result in late filing penalties, fines, and, in serious cases, risk of the company being struck off the register.
Tax and Other Registrations
While dormant for Corporation Tax may exempt a company from filing full tax returns, it must still notify HMRC of changes in trading status. It may also need to deregister for VAT if it is registered and no longer trading, and consider closing its PAYE scheme if it has no employees.
Restarting a Dormant Company
If a dormant company begins to trade again - for example by making sales, hiring employees, or earning income - this change must be recognised in your statutory and tax reporting:
- Tell HMRC that the company has started trading so Corporation Tax registration and returns resume.
- Prepare and file statutory accounts covering trading activities.
- Submit Company Tax Returns and pay any Corporation Tax due within statutory deadlines.
Trading activities define the end of dormancy for both tax and accounting purposes, and new reporting obligations apply from that point.
Common Questions About Dormant Companies
Do Dormant Companies Pay Corporation Tax?
Not while they are dormant and have no trading or income. Once HMRC has confirmed that the company is dormant for tax purposes, Corporation Tax returns and payments are not required until activity resumes.
Can a Dormant Company Hold Assets?
Yes. Holding assets such as intellectual property or property does not necessarily affect dormancy if there are no significant transactions related to these assets. However, any income or transactions related to assets may change the company's status.
Can I Keep a Company Dormant Indefinitely?
A company can remain dormant indefinitely, but all statutory obligations must continue to be met. Directors should ensure filings occur on time each year to maintain compliance and avoid penalties.
Legal and Practical Risks
Late Filings and Penalties
Failing to file dormant accounts or a confirmation statement by the deadline can result in automatic penalties, even for companies that have never traded. The penalties apply regardless of inactivity.
Misinterpreting Dormancy
Dormancy definitions for Companies House and HMRC are not identical. A company may be dormant for one purpose but not the other, leading to unexpected filing obligations or unintended tax liabilities if directors do not clarify status with the relevant authority.
Incorrect Accounting Transactions
A seemingly minor transaction, such as earning bank interest or buying supplies, can break dormant status for Companies House and require full accounts instead of dormant accounts. Directors should monitor company activity carefully.
Summary
A dormant company is a legally registered entity that is not trading and has no significant accounting transactions during an accounting period. Dormancy has distinct definitions for Companies House and HMRC, and both authorities must be informed appropriately. Dormant companies still have ongoing compliance obligations, including filing dormant accounts and confirmation statements with Companies House and notifying HMRC if the company is dormant for tax purposes. Directors must ensure these filings are completed on time to avoid penalties, and must recognise when dormancy ends on resumption of trading activity. Understanding these requirements helps business owners and advisers maintain compliance while preserving the legal benefits of retaining a dormant company.
