Short answer
If your company has more than one shareholder, yes. The articles alone do not cover deadlock, exits, what happens when a founder leaves, or restrictions on selling shares. A shareholders' agreement is private and fills those gaps.
Company formation
Do I need a shareholders' agreement?
Any company with more than one shareholder should have one. What it covers, how it differs from the articles and what happens without it.
Written and reviewed by Waqas Sagar Member of ICAEW, Fellow of ACCA, Fellow of AAT, a double graduate and entrepreneur at heart, helping startups grow and serving thousands of businesses nationwide with an excellent team. Published by LimitedCompany.Accountants, 12 London Road, Morden, London SM4 5BQ. Reviewed 12 September 2026 against 2026/27 UK rates and current Companies House and HMRC guidance.
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If your company has more than one shareholder, yes. The articles alone do not cover deadlock, exits, what happens when a founder leaves, or restrictions on selling shares. A shareholders' agreement is private and fills those gaps.
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What it should cover
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Agreement versus articles
What it should cover
Decisions requiring unanimous or supermajority consent, dividend policy, transfer restrictions and pre-emption rights, good and bad leaver provisions, drag along and tag along on a sale, deadlock resolution, restrictive covenants, and what happens on death or incapacity.
Founder vesting matters more than most early teams expect. Without it, a co-founder who leaves after six months keeps their full stake permanently.
Agreement versus articles
The articles are public and bind the company. The shareholders' agreement is a private contract between the shareholders and can contain commercially sensitive terms. Where they conflict, the drafting needs to be coherent, so both are usually reviewed together.
Investors will bring their own document at a funding round. Having a sensible agreement already in place makes that negotiation faster and cheaper.
Before you act
Rates, thresholds and deadlines quoted here reflect the 2026/27 UK position and current Companies House and HMRC guidance. Check GOV.UK, or ask us, before relying on them for your own company.
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We work with company directors across London and Surrey from our office at 12 London Road, Morden, London SM4 5BQ. Pick your area, or send the form below and we will call you back.
Frequently asked
Do I need a shareholders' agreement?: questions directors ask
Do I need one as a sole shareholder?
No, there is nobody to agree with. Revisit it the moment a second shareholder appears.
Can I write it myself?
Templates exist, but this is a legal document. We work with solicitors and advise on the tax and share structure elements.
Does it need filing?
No. It is private and never goes to Companies House.
What records are needed for do i need a shareholders' agreement?
Keep bank statements, sales and platform reports, purchase invoices, payroll records, VAT workings, finance agreements and Companies House correspondence. We confirm the exact list at onboarding and identify gaps before a filing deadline becomes urgent.
How much does help with do i need a shareholders' agreement cost?
The fee depends on transaction volume, record quality, VAT and payroll requirements, historic catch-up and the level of reporting needed. We agree a fixed scope and price before technical work starts, with published packages available on our fees page.
Can you take over do i need a shareholders' agreement from another accountant?
Yes. We request professional clearance, collect the prior records and authorities, check the next Companies House and HMRC deadlines, and give you one clear handover list. The process is normally completed remotely.
Can do i need a shareholders' agreement be handled online?
Yes. We work through secure cloud records, scheduled reviews and digital approvals, while keeping a named team available by phone, video call and email. Clients can also visit our Morden office by appointment.
Which accounting software works best for do i need a shareholders' agreement?
We regularly work with Xero, QuickBooks, FreeAgent, Sage and connected sales or expense apps. The right setup depends on transaction volume, integrations and the reports you need, not simply the software brand.
What tax deadlines matter for do i need a shareholders' agreement?
The relevant calendar may include annual accounts, Corporation Tax payment and return dates, confirmation statements, VAT returns, payroll submissions and Self Assessment. We map the dates from your company year end and registrations.
Is this do i need a shareholders' agreement guidance personal tax advice?
No. This page explains general UK rules and common accounting treatment. Your facts, contracts and wider tax position must be reviewed before you rely on a conclusion.
Included approach
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Check the current rules
Use official information as your reference point.
Deadlines, thresholds and filing rules change. GOV.UK and Companies House publish the current statutory position; advice should then be applied to your company’s circumstances.