What Documents Are Required to Incorporate a Company

Incorporating a company means legally creating a business entity under the Companies Act 2006. This process establishes your company as a separate legal person capable of entering contracts, holding assets and being held accountable under UK law. The incorporation process is handled by Companies House, the registrar of companies for the UK. To be accepted, your application must include specific documents and information that satisfy statutory requirements. This article explains, in clear detail, all documentation needed to incorporate a company in England and Wales, why each piece of information is required, and how recent legal reforms affect the process.

Introduction to Company Incorporation

Incorporation is the legal step that transforms an idea into a company recognised under UK law. Without incorporation, a business cannot lawfully operate as a company, open a corporate bank account, enter certain contracts, or be considered separate from its owners and directors. The process is governed by legislation, with procedural requirements set out in regulations made under the Companies Act 2006.

The key to successful incorporation is ensuring that all required documents and statements are correctly prepared and submitted. Errors or omissions can lead to delays or rejection of your application.

Core Documents Required for Incorporation

When applying to register a company with Companies House, the application must be accompanied by specific legal documents that confirm the company's structure, governance and proposed activities. These are:

1. Application to Register a Company (Form IN01)

The primary document in any incorporation application is Form IN01, the official application to register a company. This form collects essential details including:

• Proposed company name.
• Registered office address and company type (private, public, unlimited).
• Details of all proposed directors and company secretary (if applicable).
• Names and addresses of shareholders or guarantors.
• Statement of capital (for companies limited by shares) or guarantee details (for companies limited by guarantee).
  This form must be submitted with the appropriate filing fee.

2. Memorandum of Association

The memorandum of association is a contractual document signed by each person forming the company (subscribers). It confirms their intention to form the company and, where relevant, to take shares in it. It is a foundational legal requirement and cannot be altered after registration.

For online applications, Companies House will generate this document automatically based on the information provided in Form IN01. For postal applications you must include it yourself, using the prescribed wording and format.

3. Articles of Association

The articles of association are the internal rules governing how the company is run, covering matters such as decision‑making, directors' powers, and shareholders' rights. Every company must have articles on incorporation. You can:

• Use the model articles provided by Companies House.
• Adopt the model articles with modifications.
• Provide your own bespoke articles.

If you choose anything other than pure model articles, the full document must be submitted with your application.

4. Statement of Capital or Statement of Guarantee

Depending on company type, you will need one of the following:

• Statement of capital – required for companies limited by shares. It sets out details of share capital, including the number of shares, their nominal value and rights attached.
• Statement of guarantee – required for companies limited by guarantee. It specifies how much each guarantor agrees to contribute to liabilities on winding up.

5. Registered Office Address

A company must provide a registered office address located within the part of the UK in which it is being registered. Official documents and statutory notices will be delivered to this address. It must be capable of receiving and recording official communications.

6. Registered Email Address

Since 2024, incorporation documents must include a registered email address. This is where Companies House sends formal communications. It is not publicly available, but it must be an appropriate address capable of receiving official correspondence.

Identity Verification Requirements

A recent legal reform under the Economic Crime and Corporate Transparency Act introduces mandatory identity verification for all company directors and persons with significant control (PSCs). From 18 November 2025, verification must be completed before a company can be successfully incorporated. Individuals will receive a unique personal code through the GOV.UK One Login system; this code must be provided on the incorporation documents.

Failure to provide verified identity information will result in Companies House rejecting the application. This new requirement aims to improve transparency and reduce fraud.

Additional Information and Supporting Statements

In addition to the core incorporation documents, your application must include several supporting details and statements:

Business Activity Classification

You must include a Standard Industrial Classification (SIC) code that describes your company's primary business activity. This classification helps statistical and regulatory systems identify what your company does.

Statement of Lawful Purpose

The application must confirm that the proposed company is being formed for a lawful purpose. This standard statement forms part of Form IN01.

Statements About Directors and PSCs

Form IN01 requires:

• Confirmation that proposed directors are not disqualified under company law.
• Details of persons with significant control (PSCs), or a statement that there are none where applicable.

If your company name includes sensitive words or expressions (for example implying a government connection), you must include evidence of approval from the relevant authority with your application.

How Documentation Is Submitted

You may submit incorporation documents either:

• Online, via the Companies House Web Incorporation Service – usually quicker and often less expensive.
• By post, with Form IN01 and supporting documents – typically takes longer to process and has a higher fee.

If your application includes complex PSC protections or certain special situations, you may need to use paper forms even if you prefer online filing.

After Incorporation: Company Records

Once the company is registered, Companies House issues a certificate of incorporation, which is legal evidence of the company's existence and includes the company number and date of formation.

Your company must then maintain statutory registers, such as:

• Register of directors and their usual residential addresses.
• Register of members/shareholders.
• Register of PSCs.

These records are separate from the initial incorporation documents but are statutory requirements under UK company law.

Key Risks and Common Errors

Delays or refusal of your application often result from:

• Incomplete Form IN01 or incorrect information about directors, PSCs or shares.
• Not providing verified identity codes for directors and PSCs where required.
• Failing to include the correct articles or properly drafted statements of capital/guarantee.
• Choosing a company name that is identical to or too similar to an existing name without the necessary approvals.

Ensuring accuracy from the outset reduces risk and prevents costly resubmissions.

Key Takeaways

To incorporate a company in England and Wales, you must prepare and submit several key documents and statements to Companies House:

• Form IN01 (application to register).
• Memorandum and Articles of Association.
• Statement of capital or guarantee.
• Registered office and email addresses.
• Identity verification codes for directors and PSCs (effective from November 2025).
• Supporting information including SIC code, lawful purpose, and statutory statements.

Understanding and completing these documents accurately ensures a smooth incorporation process and lays the foundation for lawful company operations.