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Step‑by‑Step Guide: Register a Company with Companies House (2026)

LexaUpdate Editorial Team🇬🇧 United KingdomLegal Article

Registering a company with Companies House is mandatory for most UK businesses; this guide shows exactly what you need to file, when, and how.

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Companies House is the official registrar of companies in the United Kingdom, responsible for incorporating businesses, maintaining statutory registers, and publishing company information. Under the Companies Act 2006, any entity that wishes to trade as a limited company must file incorporation documents with Companies House to obtain a Certificate of Incorporation, which confers legal personality.

Accurate registration is crucial because it determines a company’s legal obligations, tax status, and ability to enter contracts. This pillar guide walks you through every legal requirement, required documentation, filing methods, fees, timelines, and common pitfalls, ensuring compliance across England, Wales, Scotland and Northern Ireland.

Quick Answer: You must submit the required incorporation documents to Companies House—online via WebFiling or by post—and pay the registration fee; the company is legally formed once the certificate of incorporation is issued.

Key Takeaways

  • A company is legally created only after Companies House issues a Certificate of Incorporation.
  • All directors, shareholders and the registered office address must be disclosed at incorporation.
  • Online filing via WebFiling is fastest and cheapest, but paper filing is still permitted.
  • Late or inaccurate filings attract penalties and may require corrective filings.
  • A post‑incorporation checklist helps avoid common rejections and ensures ongoing compliance.

What is Companies House and what role does it play in UK company registration?

Quick Answer: Companies House is the statutory registrar for England and Wales that incorporates companies, maintains their public records and enforces filing obligations under the Companies Act 2006.

Established by the Companies Act 2006 (s 7‑8), Companies House receives incorporation documents, issues certificates of incorporation, and stores statutory registers (directors, secretaries, shareholders). It provides a searchable public register, monitors compliance, and may strike off non‑compliant entities under s 1003. The agency also disseminates information to HMRC and other regulators, ensuring transparency and legal certainty for creditors and investors.

What types of companies can be registered with Companies House?

Quick Answer: All forms of corporate entities recognised by the Companies Act 2006—including private limited companies, public limited companies, limited liability partnerships, and community interest companies—may be incorporated at Companies House.

Specifically, s 9‑12 of the Companies Act allow registration of: • Private company limited by shares (Ltd) • Private company limited by guarantee • Public limited company (PLC) • Unlimited company • Limited liability partnership (LLP) under the Limited Liability Partnerships Act 2000 • Community interest company (CIC) under the Companies (Audit, Investigations and Community Enterprise) Act 2004. Each form has distinct statutory requirements for share capital, director numbers and public disclosure.

When is it legally required to register a business with Companies House?

Quick Answer: Registration is mandatory when a business adopts a corporate structure defined by the Companies Act 2006, such as a limited company or LLP, before commencing trading.

Section 7 of the Companies Act 2006 obliges any person forming a company to file incorporation documents (Form IN01) with Companies House. Failure to register before trading can result in the entity being deemed an unregistered partnership, exposing participants to unlimited personal liability. The registration must be completed prior to the company’s first commercial activity, and the certificate of incorporation marks the legal commencement of the corporate personality.

Which businesses are exempt from registration at Companies House?

Quick Answer: Sole traders, partnerships (except LLPs), and unincorporated associations are not required to register with Companies House.

Under s 8 of the Companies Act 2006, only entities that adopt a corporate form need to register. Sole proprietorships operate under the trader’s personal name and are regulated solely by HMRC for tax. Traditional partnerships are governed by the Partnership Act 1890 and do not acquire a separate legal personality. Charitable trusts and clubs may need to register with the Charity Commission but not Companies House unless they incorporate as a charitable company.

What information and documents are required to register a limited company with Companies House?

Quick Answer: Incorporation requires a completed Form IN01, a Memorandum and Articles of Association, details of directors, a registered office address, and share allotment information.

Section 9 of the Companies Act 2006 mandates filing: • Memorandum of association (statutory statement of intent to form a company) • Articles of association (governing rules) • Form IN01 containing company name, registered office, director(s) and secretary (if any), share capital, and subscriber details. Supporting documents may include a statement of compliance (s 86) and, where applicable, a PSC register. All filings must be signed by a director or authorized person and submitted electronically or by post.

What are the director and shareholder duties after a company is registered?

Quick Answer: Directors must act in good faith, exercise reasonable care, avoid conflicts of interest, and ensure statutory filings; shareholders must honour share commitments and may exercise voting rights.

Directors’ duties are codified in s 171‑177 of the Companies Act 2006, including the duty to promote the success of the company, exercise independent judgment, and avoid misuse of information. Failure can trigger personal liability under s 214. Shareholders’ obligations arise from the Articles and the Companies Act s 543 (payment for shares) and s 551 (rights to dividends). Both parties must comply with filing deadlines for annual accounts (s 441) and confirmation statements (s 853A), and maintain accurate registers.

How do you complete the online incorporation process on the Companies House WebFiling service?

Quick Answer: Use the Companies House WebFiling portal to submit Form IN01, upload the Memorandum and Articles, pay the registration fee, and receive an electronic certificate of incorporation.

Log in to WebFiling (or create an account), select “Incorporate a company,” and enter required details: company name, registered office, director and shareholder information, share structure, and SIC codes. Upload the signed Memorandum and Articles (or use the model articles). Pay the fee (£12 for electronic filing as of 2024). Upon validation, Companies House issues a digital certificate of incorporation, which serves as proof of legal existence.

What are the statutory filing deadlines for annual confirmation statements and accounts?

Quick Answer: Confirmation statements are due within 28 days of the anniversary of incorporation; annual accounts must be filed within nine months of the financial year end for private companies.

Section 853A of the Companies Act 2006 requires a confirmation statement (previously annual return) to be filed no later than 28 days after the “made up date.” Failure incurs a £150 penalty. Private companies must file full accounts (including balance sheet, profit and loss, and directors’ report) under s 441 within nine months of the accounting reference date; public companies have a six‑month deadline. Late filing triggers daily penalties up to £1,500 and possible strike‑off proceedings.

How to register a company if you are a non‑UK resident or foreign entity?

Quick Answer: Non‑UK residents may incorporate a UK company by providing a UK‑based registered office, appointing at least one director (who may be overseas), and complying with the same filing requirements as domestic applicants.

Under s 7‑9 of the Companies Act 2006, there is no residency requirement for directors, but a physical registered office in England or Wales is mandatory. Foreign entities must submit Form IN01 with a UK address, provide identification for directors (passport) and, where applicable, a “person of significant control” (PSC) declaration. If the company will be a subsidiary, a “certificate of good standing” from the home jurisdiction may be required for tax or banking purposes, but not for Companies House registration.

How to register a company that will operate in Scotland or Northern Ireland?

Quick Answer: You register the company in England and Wales using the same Companies Act 2006 forms, and you may list a Scottish or Northern Irish address as the registered office.

Under the Companies Act 2006 (s.8) a company must have a registered office “in the United Kingdom”; the address may be in England, Wales, Scotland or Northern Ireland. The incorporation process—submission of Form IN01, articles of association, and payment of the fee—is identical regardless of where the business will trade. No separate registration with the Scottish or Northern Irish authorities is required for a standard private limited company.

Can a company be registered without a physical UK address?

Quick Answer: No; a UK‑registered company must provide a physical address in the United Kingdom that can receive official correspondence.

Section 8 of the Companies Act 2006 obliges a company to designate a registered office that is a “physical location” within the UK. A post‑office box alone is insufficient, although a virtual‑office service may be used provided it supplies a real street address where documents can be delivered. The address is publicly recorded on the Companies House register and must be kept up‑to‑date.

What are the limitations on using a “trading as” name versus the registered name?

Quick Answer: A company may trade under a different name, but the registered name must appear on statutory documents and the “trading as” name cannot be misleading or infringe protected terms.

Section 86 of the Companies Act 2006 permits a “trading as” name, but the company remains legally bound by its registered name for contracts, invoices, and filings. The trading name must not be identical to an existing company’s name (s.55) and cannot contain prohibited words (e.g., “Royal”, “Bank”) without permission. It must be disclosed on the register of “trading as” names and used consistently to avoid breach of the Companies Act and consumer protection rules.

What penalties apply for late filing or inaccurate information during registration?

Quick Answer: Late or inaccurate filings can trigger monetary penalties up to £1,500 per filing, criminal prosecution, and possible director disqualification.

Sections 1134‑1135 of the Companies Act 2006 set out civil penalties for late filing of accounts or confirmation statements, with daily fines accruing to a maximum of £1,500. Providing false or misleading information is an offence under s.862, punishable by up to six months’ imprisonment, a fine, or both, and may lead to director disqualification under the Company Directors Disqualification Act 1986. Companies House may also refuse registration if the initial incorporation documents are incomplete or inaccurate.

How can you rectify errors in a company’s registration details?

Quick Answer: Errors are corrected by filing the appropriate change‑of‑details form with Companies House or, for historic mistakes, by obtaining a court order under s.124.

For most updates—such as a change of registered office, director, or shareholder details—Companies House requires the relevant form (e.g., CH01 for director changes, CH04 for registered office) and supporting evidence. If the register contains a material error that cannot be amended by a form, a company may apply to the court for an order under s.124 to rectify the register. Once the order is granted, Companies House must update the public record accordingly.

What checklist should you follow to ensure a successful Companies House registration?

Quick Answer: Verify name availability, prepare a registered office address, gather director and shareholder details, draft articles, select SIC codes, and pay the correct fee.

Key steps include: (1) Conduct a name search on the Companies House register to avoid prohibited or identical names; (2) Secure a physical UK registered office address; (3) Compile director (minimum one, over 16) and shareholder information with share allocations; (4) Prepare a memorandum and articles of association compliant with s.18‑20; (5) Choose appropriate SIC codes; (6) Complete Form IN01 accurately; (7) Pay the electronic (£12) or paper (£40) filing fee; (8) Submit via Companies House WebFiling or post.

What common mistakes cause registration delays or rejections?

Quick Answer: Typical errors include an unavailable company name, missing director or address details, failure to attach articles of association, and incorrect fee payment.

Companies House frequently rejects applications when the proposed name breaches s.55 (identical or too similar to an existing name) or contains restricted words. Omitting required director or secretary information, providing a PO‑box instead of a physical registered office, or submitting an incomplete Form IN01 also leads to delays. Additionally, using the wrong fee amount or paying by an unaccepted method results in automatic refusal. Ensuring all fields are completed and the fee is correctly remitted avoids most rejections.

How much does it cost to register a limited company with Companies House and are there any hidden fees?

Quick Answer: As of 2024, electronic registration costs £12 and paper registration £40; additional fees may arise for name reservation, same‑day service, and professional assistance.

The Companies Act 2006 prescribes the statutory fees: £12 for online filing via WebFiling and £40 for postal filing. Optional services—such as a £30 name reservation (if you wish to secure a name before filing) or a £150 same‑day incorporation service—are extra. While Companies House does not charge hidden fees, third‑party agents may add charges for document preparation, registered‑office provision, or filing support, which should be disclosed in advance.

What are the differences between registering a private limited company (Ltd) and a public limited company (PLC) with Companies House?

Quick Answer: A PLC requires a minimum £50,000 allotted share capital, at least two directors and a qualified company secretary, whereas an Ltd can be formed with a single director, no minimum capital, and no secretary requirement.

Section 9 of the Companies Act 2006 outlines the formation of a private company limited by shares, while s.10 sets out the stricter criteria for a public limited company, including the £50,000 minimum share capital (with at least 25% paid up) and the mandatory inclusion of “PLC” in the name. A PLC must also comply with additional disclosure obligations, such as a prospectus for public offerings, and is subject to more rigorous corporate governance standards under the UK Corporate Governance Code.

Practical Steps & Evidence Checklist

Whether you are a solo entrepreneur, a partnership looking to incorporate, or an established business expanding its corporate structure, the registration process with Companies House follows a clear sequence. Follow each step carefully and retain the supporting documentation listed to avoid delays or rejections.

  • Step 1: Choose an appropriate company name and verify its availability using the Companies House name‑search service. Reserve the name if you need extra time before filing.
  • Step 2: Decide on the company type (e.g., private limited company Ltd, limited liability partnership LLP, or community interest company CIC) and prepare the required constitutional documents – Memorandum of Association and Articles of Association (model articles can be adopted for most Ltds).
  • Step 3: Appoint at least one director (and a company secretary if required) and, for Ltds, allocate at least one shareholder. Collect identification (passport or driving licence) and proof of address (utility bill, council tax statement) for each officer and shareholder.
  • Step 4: Register the company online via the Companies House Web Incorporation Service or through an authorised agent. Upload the signed incorporation documents, provide the registered office address, and pay the filing fee (£12 online, £40 by post as of 2026).
  • Step 5: After successful filing, retain the Certificate of Incorporation, the filed Articles of Association, and the statutory registers (directors, secretaries, members, and people with significant control). These will be needed for opening a business bank account, registering for taxes, and complying with ongoing filing obligations.

Frequently Asked Questions

Can I register a company online without a solicitor?

Yes. The Companies House Web Incorporation Service allows individuals to file all required documents electronically. You must still ensure that the information provided is accurate and that you have the authority to act on behalf of the proposed directors and shareholders. While legal representation is not mandatory, consulting a solicitor can help you tailor the Articles of Association to your specific business needs and avoid future disputes.

What is the difference between a “private limited company” and a “limited liability partnership”?

A private limited company (Ltd) is a separate legal entity owned by shareholders; liability is limited to the amount unpaid on their shares. Management is vested in directors. A limited liability partnership (LLP) is also a distinct legal entity, but it is owned by members who can be individuals or corporate bodies, and each member’s liability is limited to their capital contribution. LLPs are often preferred by professional firms because they combine partnership flexibility with limited liability.

Do I need a registered office in England and Wales?

Yes. Every company incorporated in England and Wales must designate a physical address in the jurisdiction as its registered office. This address is publicly listed on the Companies House register and is where official correspondence, including legal notices and HMRC letters, will be sent. The address can be a commercial premises, a virtual office provider that offers a physical mailbox, or the address of a director or company formation agent, provided it meets the statutory requirements.

How long does the incorporation process take?

When filed online, incorporation is usually completed within a few minutes to a few hours, provided there are no errors or name conflicts. Paper filings processed by post can take up to 10 working days. Companies House will issue a Certificate of Incorporation once the application is accepted, which serves as proof that the company legally exists.

What documents must I keep after incorporation?

Statutory registers must be maintained at the company’s registered office or a designated inspection location. These include the Register of Directors, Register of Secretaries (if applicable), Register of Members (shareholders), and Register of People with Significant Control (PSC). You must also keep the original Certificate of Incorporation, the signed Memorandum and Articles of Association, and any resolutions relating to share allotments or changes to the company’s constitution.

Do I need to register for Corporation Tax before I can start trading?

Yes. Within 12 months of the company’s incorporation, you must notify HM Revenue & Customs (HMRC) that the company is active for Corporation Tax purposes. This is done by completing the “CT41G – Corporation Tax: Register a new company” online. Failure to register can result in penalties and may delay the issuance of a tax reference number, which is required to open a business bank account.

Can a foreign individual be a director of a UK company?

There is no residency requirement for directors of a UK company; a foreign national can act as a director. However, the director must provide a valid identification document and a proof‑of‑address that complies with Companies House’s anti‑money‑laundering (AML) checks. Some banks may impose additional “fit and proper” criteria before allowing the company to open a UK bank account.

What are the ongoing filing obligations after incorporation?

Companies House requires an annual Confirmation Statement (previously the Annual Return) to be filed within 28 days of the anniversary of incorporation, confirming that the company’s details are up to date. Additionally, a set of annual accounts must be filed within nine months of the financial year end for private limited companies. Late filing attracts daily penalties and may lead to the company being struck off.

Conclusion

Registering a company with Companies House establishes a distinct legal entity, conferring limited liability, separate ownership of assets, and the ability to enter contracts in the company’s name. The process hinges on selecting an appropriate company structure, preparing compliant constitutional documents, appointing qualified officers, and providing verifiable identification and address evidence. Once incorporated, the company must maintain statutory registers, file annual Confirmation Statements and accounts, and meet tax registration obligations to remain in good standing.

While the online incorporation service is user‑friendly, the nuances of corporate governance, tax planning, and sector‑specific regulations often warrant professional advice. Prospective founders should consult a qualified solicitor or corporate adviser to tailor the Articles of Association, assess shareholder agreements, and ensure compliance with anti‑money‑laundering requirements before and after registration.

Legal Disclaimer

This article provides general educational information regarding England and Wales (UK) law and does not constitute formal legal advice, legal representation, or the creation of an attorney‑client relationship. Laws and regulatory guidance are subject to frequent legislative amendments and judicial interpretation. Individuals and organizations facing legal proceedings or disputes should seek personalized counsel from a qualified solicitor, advocate, or attorney in their jurisdiction.

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Editorial & Research Attribution

LexaUpdate Editorial Desk

Reviewed for statutory accuracy and factual integrity by LexaUpdate Editorial Board.

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