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Joint Venture Agreements UK: Contractual vs Corporate

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Part ofCorporate Legal Documents UK

Written by Brad Askew Solicitor (non-practising)
Brad is on the roll of solicitors of England & Wales but does not hold a practising certificate and does not provide legal advice.
Updated June 2026 · England & Wales
When two or more businesses want to pool their strengths for a shared commercial purpose, a joint venture is often the route they pick. It lets each party keep its own identity and operations while working together on something specific, whether that's a single project, a product launch, or breaking into a new market. The trouble is that JVs go wrong more often than people admit, usually because the paperwork was thin at the start. A well drafted joint venture agreement does the unglamorous work of pinning down who puts in what, who gets what out, who decides, and how the parties walk away when the job is done or the relationship sours. This page sets out how JVs are typically structured under English law and what a sensible agreement should cover.

What this document is

A joint venture is a commercial arrangement where two or more parties agree to combine resources, skills, capital, or know-how to pursue a defined objective together. Unlike a merger, the participants remain separate businesses. They collaborate for the life of the venture and then go their own ways, or continue the relationship on renewed terms.

In the UK, there is no single piece of legislation that creates a 'joint venture' as a legal form. Instead, the parties choose a structure that suits their commercial aims, and the chosen structure is then governed by whichever body of law applies to it.

That might be contract law alone, or it might bring in the Companies Act 2006, partnership legislation, or the rules on limited liability partnerships. The agreement you sign is the document that shapes the entire relationship, so it needs to reflect the structure you have picked and the risks you want to manage.

How to use this document

  1. Agree the commercial purpose first. Before any drafting starts, the parties should write down in plain language what the venture is trying to achieve, how long it is expected to run, and what success looks like. Vague objectives produce vague agreements. A clear purpose also makes it easier to resolve disagreements later because you can measure decisions against the original aim.
  2. Choose a structure that fits the deal. The two main options are a contractual JV, where the parties work together under a contract but do not form a new entity, and a corporate JV, where a new company (or LLP) is set up and the parties become members or shareholders. Tax, liability, and the need for a separate balance sheet usually drive this choice.
  3. Map out contributions and ownership. Each party's input needs to be spelled out: cash, staff time, intellectual property, premises, equipment, customer relationships, and anything else of value. The agreement should say how those contributions translate into ownership, profit share, or voting rights, and what happens if someone fails to deliver what they promised.
  4. Nail down governance and decision-making. Who runs the venture day to day? Which decisions need unanimous consent and which can be taken by a majority or by a managing party? Reserved matters, board composition, deadlock mechanisms, and reporting obligations all belong in this section. Without them, even a profitable JV can grind to a halt.
  5. Plan the exit before you start. Joint ventures end, whether through success, failure, or a change of strategy. The agreement should cover term and termination, what triggers an early exit, how interests are valued and bought out, restrictions on competing afterwards, and what happens to shared IP and confidential information. Exit clauses are often the most negotiated and the most important.

Common questions

If you're dealing with this kind of situation, speak to an experienced legal adviser who can walk you through it — from £149.

Common questions

Q What is the difference between a contractual and a corporate joint venture?
A contractual JV is a pure agreement between the parties to work together, with no new entity formed. Each party keeps its own assets, staff, and liabilities. A corporate JV involves setting up a new company or LLP that the parties own jointly, which then holds the venture's assets and liabilities separately. Corporate JVs give cleaner separation and limited liability, but they cost more to set up and run.
Q Is a joint venture the same as a partnership?
Not quite, though the terms are sometimes used loosely. A partnership under the Partnership Act 1890 arises automatically when people carry on a business together with a view to profit, and it brings joint and several liability. A JV may or may not be a partnership in the legal sense, depending on how it is structured. Most JV agreements include wording to make clear whether a partnership is intended.
Q Do I need a written agreement for a joint venture?
Legally, some JVs can operate on handshake terms or informal emails. Practically, you should never do this. Without a written agreement you are relying on implied terms, general contract law, and goodwill, which tends to evaporate the moment money is at stake. A written agreement protects both sides and forces the parties to think through issues they might otherwise ignore.
Q How are profits and losses shared in a JV?
There is no default rule. The parties agree how profits, losses, and costs will be divided, usually in proportion to their contributions or to a formula they negotiate. In a corporate JV, profit sharing typically follows shareholdings, subject to any special dividend arrangements. In a contractual JV, the split is whatever the contract says it is, which is why precise drafting matters.
Q What happens if one party wants to leave the joint venture early?
That depends entirely on what the agreement says. Well drafted JV agreements include exit provisions such as notice periods, buy-out mechanisms, valuation methods, and restrictions on what the departing party can do afterwards. Without these, an early exit can trigger disputes, deadlock, or litigation. This is one of the areas where skimping on the drafting causes the most pain.
Q Are there competition law issues to think about?
There can be, particularly if the JV involves competitors agreeing to work together in the same market. UK and EU competition rules can catch arrangements that share markets, fix prices, or limit output, even indirectly. Larger JVs may also need merger clearance from the Competition and Markets Authority. If either party has significant market share, get specialist input before signing.
Q Can a joint venture be international?
Yes, and many are. Cross-border JVs raise extra questions: which country's law governs the agreement, which courts have jurisdiction, how tax is handled, and whether withholding taxes or transfer pricing rules apply. You will usually want a clear governing law clause, a dispute resolution mechanism (often arbitration), and tax advice in each relevant jurisdiction before the deal is signed.
If you're dealing with this kind of situation, speak to an experienced legal adviser who can walk you through it — from £149.

Sources

This guide is based on primary UK law and official guidance.

Brad Askew, Solicitor (non-practising)

Written & reviewed by

Brad Askew Solicitor (non-practising)

Brad is on the roll of solicitors of England & Wales but does not hold a practising certificate and does not provide legal advice. LegalDocuments.co.uk is not a law firm and does not provide regulated legal advice.

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Legal disclaimer
This article is for general information only. It is a tool to help you find your way — not legal advice, and not a substitute for speaking to a qualified adviser about your situation.