Alex is Sprintlaw’s co-founder and principal lawyer. Alex previously worked at a top-tier firm as a lawyer specialising in technology and media contracts, and founded a digital agency which he sold in 2015.
- What Is A Partner Agreement Under UK Law?
- Should You Use A Free Partner Agreement Template?
What To Include In Your Partner Agreement
- 1) Structure, Purpose And Contributions
- 2) Ownership, Profits And Drawings
- 3) Roles, Decision‑Making And Governance
- 4) Intellectual Property, Branding And Data
- 5) Working Time, Remuneration And Expenses
- 6) Onboarding, Restraints And Good Faith
- 7) Taxes, Accounts And Compliance
- 8) Termination, Exit And Disputes
- LLPs And Alternatives To A Traditional Partnership
- Key Takeaways
If you’re going into business with one or more co‑founders, a partner agreement isn’t just a formality - it’s the rulebook that keeps your venture on track when things get busy or tricky.
The right partner agreement template can save you time, but it still needs to be tailored to your business, your profit model and the way you plan to make decisions together. In the UK, getting this wrong can leave you exposed under default partnership law.
In this guide, we’ll unpack exactly what a partner agreement is under UK law, whether a free template will cut it, the key clauses you should include, and how to finalise it properly so you’re protected from day one.
What Is A Partner Agreement Under UK Law?
A partner agreement (often called a partnership agreement or partners’ agreement) sets out how two or more people will run a business together. It covers the essentials - who does what, how profits are split, how decisions are made, what happens if someone wants out, and how disputes are handled.
In the UK, the legal backdrop matters because if you trade as a general partnership without a written agreement, the Partnership Act 1890 will apply by default. That Act is over a century old and, while serviceable, it often doesn’t reflect how modern small businesses actually operate. For example, without a tailored agreement, profits are presumed to be shared equally regardless of capital or effort, and any partner can bind the business.
It’s also worth distinguishing between structures:
- Traditional partnership - two or more people carry on a business in common with a view to profit. Partners share control and have joint and several liability for business debts (unless you opt for an LLP).
- Limited Liability Partnership (LLP) - a separate legal entity under the Limited Liability Partnerships Act 2000. Members have limited liability, and you’ll use an LLP agreement rather than a standard partner agreement.
- Limited company - separate legal person. If you go this route, your founders’ relationship is governed by a Shareholders Agreement and the company’s constitution/articles, rather than a partner agreement. Many teams weigh up a partnership vs company early on for liability and growth reasons.
Whichever path you choose, your governing agreement is the document that reduces risk, sets expectations and lets you focus on building the business rather than firefighting disputes.
Should You Use A Free Partner Agreement Template?
Short answer: a template is a helpful starting point - but be careful. The biggest risk is that a generic template won’t reflect your business model, the way you plan to share profits, or the rights and responsibilities that actually matter to you. Worse, it might contradict UK law or leave gaps that pull you back into the Partnership Act 1890’s default rules.
Common template pitfalls we see include:
- Vague roles and decision‑making: Templates often under‑specify reserved matters (big decisions that need unanimous approval), leading to confusion or deadlocks.
- Unclear profit and loss allocations: If your contributions differ (capital, time, IP, client lists), “equal split” isn’t always fair and can be hard to change later.
- No clear exit terms: Without good leaver/bad leaver provisions, non‑compete/non‑solicit obligations and buy‑out mechanics, a departing partner can create major disruption.
- Missing IP and brand ownership: Templates often skip who owns the brand, website, code, or content if one partner created or paid for it.
- Boilerplate dispute resolution: Generic “arbitration/mediation” lines may be unenforceable or impractical for a small UK venture.
The cost of a mis‑fit agreement can be far higher than the cost of getting it done properly. If you’re currently operating with no partnership agreement, you’re relying on default law and informal understandings - that’s when misunderstandings turn into disputes.
If you want a document that’s tailored to your venture, a lawyer‑drafted Partnership Agreement builds from your commercial terms, not the other way around. A smart approach is to use a template to structure your discussion, then have a professional convert those decisions into binding, well‑drafted clauses.
What To Include In Your Partner Agreement
Think of this as your template checklist. Each of the following topics should be clearly covered - and tailored - in your partner agreement.
1) Structure, Purpose And Contributions
- Business purpose - a concise description of what the partnership does, and what it doesn’t (useful if you operate multiple ventures).
- Start date and duration - when the partnership begins and whether there’s a fixed term.
- Capital contributions - how much each partner contributes in cash or assets, when, and how further capital calls are handled.
- Non‑cash contributions - value of know‑how, equipment, pre‑existing IP, customer lists or premises, and whether these are licensed or assigned to the partnership.
2) Ownership, Profits And Drawings
- Ownership shares - partner percentages and how they change after capital injections.
- Profit and loss allocation - your split (not always the same as ownership). If one partner takes a salary or management fee, make this explicit and clarify how it affects profit share.
- Drawings policy - timing, limits and approvals for drawings to avoid cash‑flow issues.
- Reserves - whether profits are retained for tax and working capital before distributions.
3) Roles, Decision‑Making And Governance
- Management roles - who handles sales, operations, finance, compliance and marketing. If one partner is the managing partner, define powers and limits.
- Decision thresholds - day‑to‑day decisions vs “reserved matters” that need unanimous consent (e.g. borrowing, large expenditures, new lines of business, hiring senior staff, admitting a new partner).
- Meetings and voting - frequency of meetings, quorum and voting mechanisms.
- Authority - who can sign contracts and up to what value; any two‑signature rules for bank accounts.
4) Intellectual Property, Branding And Data
- IP ownership - confirm that IP created in the business belongs to the partnership, and deal with pre‑existing IP (assignment or licence terms).
- Trade marks and domain names - who will own and pay for registrations, and who controls accounts.
- Confidential information - non‑disclosure obligations between partners and for third parties.
- Data protection - confirm responsibilities for GDPR compliance, including who is responsible for privacy notices and data‑handling policies.
5) Working Time, Remuneration And Expenses
- Time commitments - expected weekly hours or attendance (if relevant), and whether outside work is permitted.
- Remuneration - salaries, management fees or guaranteed payments separate from profit share, and how they’re reviewed.
- Expenses and reimbursements - what counts as a partnership expense and approval limits.
6) Onboarding, Restraints And Good Faith
- New partners - the process for admitting partners, capital requirements and adjustments to shares.
- Non‑compete and non‑solicit - reasonable restrictions during the partnership and for a defined period after exit (tailored to geography and services).
- Good faith and best interests - clear expectations about acting in the partnership’s interests and disclosing conflicts.
7) Taxes, Accounts And Compliance
- Accounting - financial year, accounting standards, appointment of accountant and access to records.
- Tax filings - responsibility for the partnership tax return (SA800) and partners’ self‑assessments.
- Regulatory duties - sector‑specific compliance and who owns these tasks (e.g. licensing, insurance, health and safety).
8) Termination, Exit And Disputes
- Voluntary exit - notice periods, valuation and buy‑out formulae, payment terms and who can buy (partnership, remaining partners or external buyer).
- Bad leaver events - serious breach, fraud or misconduct and consequences for buy‑out pricing.
- Death or incapacity - continuation of the business, insurance proceeds and buy‑out mechanics (so families aren’t left in limbo).
- Dispute resolution - a staged process: internal negotiation, mediation, then courts if needed, with a venue and governing law clause (England and Wales).
For a deeper dive into typical wording and traps, have a look at the key clauses that most small UK businesses need in a partnership agreement.
Plan For Disputes, Exit And Change
It’s easy to agree on everything when you’re setting up. The challenge is designing your partner agreement to handle the “what ifs” - when you disagree, when someone wants out, or when the business needs to pivot.
Here are the areas that deserve special attention.
Decision Deadlocks
Deadlocks happen, especially with 50:50 partnerships. A simple tie‑breaker (independent chair, casting vote for a managing partner on operational matters, or a short mediation clause) avoids paralysis on day‑to‑day issues. For major decisions - like selling the business - keep unanimous consent.
Valuation And Buy‑Out Mechanics
When a partner exits, your agreement should explain how their interest is valued (e.g. EBITDA multiple, independent valuation, or book value) and how it’s paid (lump sum vs instalments). Clear, objective rules prevent arguments when emotions are high.
Bad Leavers And Restrictive Covenants
“Bad leaver” provisions protect the business if someone leaves after serious misconduct or breach. The buy‑out price can be discounted in those cases, and restrictive covenants (non‑compete/non‑solicit) help prevent immediate harm. Reasonableness is key for enforceability - keep scope, duration and geography proportionate.
Death Or Incapacity
It’s uncomfortable to think about - but essential. Consider life or key‑person insurance owned by the partnership to fund buy‑outs, and be clear about whether the business continues with remaining partners or winds up. If you ever need to dissolve a partnership, having your process documented will make a difficult time much smoother.
Dispute Resolution That Actually Works
Include a practical, staged escalation process. Require partners to meet and attempt resolution in good faith, then go to mediation with a recognised UK body. Only if that fails should you escalate to court proceedings in the agreed jurisdiction.
LLPs And Alternatives To A Traditional Partnership
If personal liability is a concern (it often is), consider whether an LLP or a limited company is the better fit for your plans:
- LLP: Offers limited liability and flexibility similar to a partnership. You’ll need an LLP agreement (functionally similar to a partner agreement but tailored to the Limited Liability Partnerships Act 2000 and Companies House filings).
- Limited company: Useful if you want to attract investment or retain profits. Governance between founders is usually set out in a Shareholders Agreement and directors run the company in line with their statutory duties.
If you’re currently weighing up your options, it’s normal to feel unsure. Your decision will affect liability, tax, governance and investor readiness - so get tailored advice before locking it in.
How To Finalise And Maintain Your Agreement
Once you’ve agreed the key terms, there are a few practical steps to make your partner agreement effective and keep it useful as you grow.
1) Turn Commercial Terms Into Precise Clauses
Translate your high‑level decisions into clear definitions, formulas, thresholds and timelines. Avoid “to be agreed” placeholders - they can make the clause unenforceable or push you back into default law.
2) Check Alignment With UK Law
Make sure the agreement works with the Partnership Act 1890 (or LLP/company law, as relevant), data protection law (UK GDPR and Data Protection Act 2018), employment law (if you’ll hire staff), and your regulatory obligations. For consumer‑facing businesses, ensure your refund and terms align with the Consumer Rights Act 2015.
3) Execute It Properly
Have all partners sign and date the agreement. Electronic signatures are generally valid in the UK, but if you’re signing as a deed (sometimes used for certainty around consideration), follow the correct formalities and ensure any required witness is independent and over 18.
4) Put Operational Policies In Place
Your agreement sets the framework - now back it up with day‑to‑day policies. For example, set spending limits, bank mandates, bookkeeping procedures, information security measures, and a schedule for meetings and reporting.
5) Register And Organise
Register the partnership with HMRC, set up your bank accounts in the partnership’s name, and establish a document hub (share drive or DMS) where all key records, contracts and IP assignments live.
6) Review At Trigger Points
Revisit the agreement at key milestones - new partner joining, major investment, new product line, or material change in profit model. Build in an annual review so the document evolves with your business.
7) Have A Wind‑Up Plan
Even if you’re optimistic, plan for a clean exit. Your agreement should include a step‑by‑step process to wind up the business, pay creditors, and distribute remaining assets if you ever choose to close or need to dissolve a partnership.
Key Takeaways
- A partner agreement is essential if you’re trading as a partnership - otherwise the Partnership Act 1890’s default rules apply, which rarely match how modern SMEs operate.
- Use a partner agreement template as a conversation starter, but tailor it carefully or opt for a lawyer‑drafted Partnership Agreement that reflects your profit model, roles, IP ownership and exit strategy.
- Cover the fundamentals: contributions, profit sharing, decision‑making, authority, IP and branding, restraints, tax and accounting, and clear exit and dispute resolution mechanics.
- Think ahead to the “what ifs” - deadlocks, valuation for exits, bad leavers and events like illness or death - and document practical processes, not vague promises.
- Consider whether an LLP or company structure better suits your risk profile and growth plans; the governing document will change accordingly.
- Execute properly, stay compliant with UK law, and schedule regular reviews so your agreement evolves with your business.
If you’d like help tailoring a partner agreement to your business, you can reach us at 08081347754 or team@sprintlaw.co.uk for a free, no‑obligations chat.


