How To Change Articles Of Association In The UK

Your Articles of Association are the rulebook for how your company is run. Over time, most growing businesses find that the default “Model Articles” no longer fit how they operate, or investors ask for extra protections before they put money in. That’s when changing your Articles of Association becomes a smart move.

The good news? Amending your Articles is perfectly normal under UK law. The key is to follow the correct process, use clear drafting, and make sure your changes don’t clash with other documents (like your shareholders’ agreement).

In this guide, we’ll walk you through how to change Articles of Association properly, the legal steps to follow, common pitfalls to avoid, and the kind of clauses small companies often add as they scale.

What Are Articles Of Association And When Should You Change Them?

Articles of Association (your “Articles”) set the ground rules for your company’s decision-making and day-to-day governance. They sit alongside your statutory obligations under the Companies Act 2006 and the company’s registers and resolutions. Think of the Articles as your company’s operating manual.

You might consider changing your Articles if you want to:

• Introduce new share classes (for example, “A” and “B” shares) with different voting or dividend rights to reflect investors, founders or employees. If this is on your roadmap, it’s worth reading about Class A vs Class B Shares.
• Add or tighten pre-emption rights on new share issues and transfers (so existing shareholders get first refusal).
• Build in drag-along and tag-along rights to manage future exits cleanly (explained in more depth under Drag-Along Rights).
• Clarify director decision-making, quorum and voting rules, or allow for written board resolutions and virtual meetings.
• Add vesting, leaver and transfer restrictions for founder/employment equity plans (often paired with a Shareholders Agreement for day-to-day mechanics).
• Reflect investor requirements following a funding round, or replace legacy bespoke Articles with a simpler, modern set.

If you’re unsure whether your current Articles still do the job, a quick Articles Of Association Review can highlight what should change now versus later.

How To Change Articles Of Association (Step-By-Step)

The Companies Act 2006 allows a company to amend its Articles by special resolution (section 21). In plain English, that means you need at least 75% shareholder approval to adopt the changes. Here’s a practical process small companies typically follow:

1) Audit Your Current Constitution And Map Your Goals

• Pull your current Articles and any amendments filed at Companies House.
• List the issues you want to solve (for example, adding pre-emption on share transfers, introducing new share classes, or tightening quorum).
• Check for any entrenched provisions (clauses made “harder” to change) - these require the entrenchment process to be followed.

2) Cross-Check Other Documents

• Make sure proposed changes don’t conflict with your Shareholders Agreement (if you have one). Where there’s a conflict, companies usually update both documents so they align.
• Review board rules, option schemes and any investor side letters - updates may be needed for consistency.

3) Draft The Amendments (Or A Clean New Set)

• For small tweaks, you can draft specific amendments to existing clauses.
• For bigger changes, it’s often cleaner to adopt a fresh, consolidated set of Articles - easier to read and manage over time.
• Keep language plain and consistent. Avoid ambiguity and duplication (a common source of disputes).

4) Board Approves The Proposal And Calls A Shareholder Vote

• Hold a board meeting (or pass a written board resolution) to approve the proposed amendments and convene a general meeting or send a written resolution to shareholders. If you’re new to this, this resource on Board Resolutions is a good refresher.
• Decide whether to use a general meeting (with notice) or a written resolution. A written resolution can be quicker for private companies.

5) Pass A Special Resolution (75% Approval)

• The vote to change Articles must be a special resolution - not an ordinary one. If you need a quick comparison, this guide on Ordinary vs Special Resolutions explains when each is required, and this overview of Special Resolutions covers the 75% threshold.
• Make sure your notice or written resolution clearly states the text of the changes or attaches the new Articles.
• Check whether class consents are needed (for example, if a change varies or abrogates rights of a specific class of shares).

6) File At Companies House Within 15 Days

• Send the special resolution and the updated Articles to Companies House within 15 days of the resolution. Late filing can lead to penalties and administrative headaches.
• Keep signed copies with your company records and update any internal policy references to the Articles.

7) Communicate And Implement

• Tell directors, company secretaries and relevant team members which governance processes have changed.
• Update board/committee terms of reference, onboarding materials and investor packs so everyone is reading from the same rulebook.

What Should You Include When You Amend Articles?

Every company is different, but here are common additions or refinements small businesses make as they scale:

Share Capital And Classes

• Define classes (e.g. A, B, non-voting) and their rights: voting, dividends, liquidation preferences, conversion rights and any restrictions.
• Set clear processes for creating new classes and variations of class rights (including when class consent is required).

Pre-Emption And Transfer Controls

• Pre-emption on new issues: give existing shareholders first refusal on newly issued shares to prevent dilution.
• Pre-emption on transfers: restrict exits to approved buyers unless pre-emption steps are cleared.
• Compulsory transfers for bad leavers (if you’re running an employee or founder equity plan).

Exit And Investor Protections

• Drag-along and tag-along rights to manage majority-led sales and protect minority shareholders.
• Information rights for investors and periodic reporting obligations.

Board And Decision-Making

• Director appointment/removal mechanics and any investor nomination rights.
• Quorum and voting rules (including chair’s casting vote if desired), written board resolutions, and virtual/hybrid meetings.
• Reserved matters that require shareholder approval or enhanced board majorities.

General Housekeeping

• Notice and communication methods (including electronic communications).
• Share certificate and register provisions to reflect your current practices.
• Indemnities and limitation language consistent with the Companies Act and your D&O insurance.

Before you lock anything in, it’s worth a quick check that your drafting is consistent with how you execute corporate documents in practice - if you have questions here, this primer on Executing Contracts & Deeds highlights common pitfalls.

Legal Requirements And Risks To Watch

Changing Articles is straightforward when you follow the Companies Act steps, but there are a few traps that can cause issues later.

Special Resolution And Filing

• You must pass a special resolution (75% approval) to amend the Articles. Using an ordinary resolution risks invalid amendments.
• File the new Articles and the resolution at Companies House within 15 days. Keep your statutory books up to date.

Class Rights And Minority Protection

• If a change affects rights of a particular class of shares, class consent or a separate class meeting may be required.
• Minority shareholders may challenge changes that are oppressive or unfairly prejudicial. Transparent processes and clear drafting help reduce this risk.

Conflicts With Other Documents

• Inconsistencies between the Articles and your Shareholders Agreement are a common source of disputes. Fix conflicts by amending both, and state which document takes priority where appropriate.

Director Duties

• Directors must act within their powers and promote the success of the company when proposing amendments. Avoid changes that solely benefit one group without legitimate business purpose.

Entrenchment

• Some Articles include entrenched provisions that require a more onerous process to change. Identify these early so you can plan the correct approval route.

Should You Amend Or Replace Your Articles?

There are two main approaches:

• Targeted amendments to specific clauses - useful for minor tweaks where the rest of the document still works well.
• Adopting a completely new set - best if your Articles have been amended multiple times, you’re adding several investor protections at once, or your current Articles are based on outdated precedent.

Replacing the entire set avoids version-control confusion and makes future investors, buyers and advisers more confident in your governance. If you decide to replace the Articles, circulate the clean draft with your special resolution so shareholders see exactly what they’re approving.

FAQs About Changing Articles Of Association

Can Directors Change Articles Without Shareholder Approval?

No - directors can propose changes, but only shareholders can amend the Articles by passing a special resolution.

Do We Always Need 75% Approval?

Yes. Amending the Articles requires a special resolution under the Companies Act (75% approval). An ordinary resolution (simple majority) isn’t enough. For clarity on the voting thresholds, see Ordinary vs Special Resolutions and the overview of Special Resolutions.

Do We Have To Tell Companies House?

Yes. You must file the new Articles and a copy of the special resolution within 15 days. Late or missing filings can result in penalties.

Can We Backdate Changes?

Not in a way that rewrites history for actions already taken. Your amended Articles apply from the date of the special resolution (or a later date stated in the resolution). Avoid backdating - it can create compliance issues and undermine trust.

What If Our Shareholders Agreement Conflicts With The Articles?

Align them. Many companies state in their Shareholders Agreement which document takes priority, then update both documents so they’re consistent. If you’re putting a Shareholders Agreement in place for the first time, get it drafted alongside your Articles to avoid conflicts.

What If We’re Adding New Share Classes?

Make sure the Articles clearly set out each class’s rights, and consider whether existing classes need to consent to the change. Many teams combine this step with a tidy-up of pre-emption and transfer provisions. If you’re weighing up structures, this explainer on share classes is a helpful starting point.

Practical Tips For A Smooth Amendment

• Keep The Draft Plain And Consistent: Use clear headings and avoid overlapping provisions. Complexity increases the risk of disputes.
• Align With Day-To-Day Reality: Don’t add governance hurdles you can’t practically follow. Your Articles should reflect how you actually run the company.
• Use Written Resolutions To Save Time: For private companies, written shareholder resolutions can speed things up.
• Prepare A Brief Summary For Shareholders: A one-page summary of what’s changing builds trust and helps you secure approvals.
• Record The Decision Properly: Make sure you have a board minute and the special resolution on file - consider keeping a standard template to keep your corporate records tidy (this guide to board resolutions is a handy reference).
• Review Annually: As you grow, revisit your Articles, your Shareholders Agreement, and key company policies to keep everything aligned.

If your Articles have been patched together over time, consider a professional Articles Of Association Review to identify gaps, remove contradictions and implement a clean, scalable structure for the next stage of growth.

Key Takeaways

• Changing Articles of Association is common as small companies grow - typical updates include share classes, pre-emption, transfer restrictions, investor rights and clearer board rules.
• Under UK law, you must pass a special resolution (75% approval) to amend your Articles and file the updated version and resolution at Companies House within 15 days.
• Watch for class rights variations, entrenched provisions and conflicts with your Shareholders Agreement - these are the most common pitfalls.
• Decide whether you need targeted amendments or a fresh, consolidated set. Replacing the Articles often makes future fundraising, due diligence and exits smoother.
• Document the process properly with board minutes and shareholder resolutions, and make sure your internal practices match the new rulebook. This quick refresher on board resolutions is useful when you prepare your approvals.
• Getting your drafting right upfront saves time and avoids disputes later - consider a professional Articles Of Association Review to ensure the changes are robust, compliant and consistent.

If you’d like help drafting or changing your Articles of Association, or aligning them with a Shareholders Agreement, you can reach us at 08081347754 or team@sprintlaw.co.uk for a free, no-obligations chat.