When Should You Use a Heads of Agreement (Hoa) for Your Business, and When Is It

Alex Solo
byAlex Solo12 min read

A heads of agreement can be useful when a deal is moving forward but the full contract is not ready yet. It helps both sides record the main commercial points, narrow down what still needs to be negotiated, and avoid later arguments about what was discussed. But this is also where businesses get caught. Some founders treat an HOA as if it is meaningless and sign it casually. Others assume it guarantees the whole deal, spend money on setup, and only later find out key terms were never finalised.

Common mistakes include copying wording from another deal, using unclear language about whether the document is binding, and agreeing heads terms before checking exclusivity, confidentiality, deposits, termination rights, or break rights. Those errors can create real legal and commercial risk before you sign the final contract.

This guide explains when a heads of agreement makes sense for UK businesses, when it may be legally enforceable, which clauses are often binding even if the wider document is not, and what to check before you rely on it.

Overview

A heads of agreement is usually a preliminary document that records the key terms of a proposed deal before the full contract is drafted. In the UK, it can be partly binding, fully binding in rare cases, or mostly non-binding, depending on the wording, the subject matter, and the parties' conduct.

The practical question is not just whether to use one, but what legal effect you want it to have before you sign.

  • Decide why you need the HOA, such as recording headline terms, securing exclusivity, or setting a timetable.
  • State clearly whether the document is intended to be legally binding, non-binding, or only binding in specific clauses.
  • Identify which provisions should bind immediately, such as confidentiality, exclusivity, costs, governing law, or dispute process.
  • Check whether the deal type has extra formality requirements, especially for land, shares, lending, or regulated arrangements.
  • Avoid relying on vague commercial promises if you may spend money on setup before the final agreement is signed.
  • Make sure the HOA matches the negotiations, emails, draft contract, and any side promises.

What When Should You Use a Heads of Agreement Hoa for Your Business and When Is It Legally Enforceable Means For UK Businesses

You should use a heads of agreement when the deal is serious enough to record in writing, but not yet ready for a full contract. It works best as a practical bridge between early negotiations and definitive documents.

For many UK businesses, an HOA is helpful when a transaction has enough momentum that both sides want structure, but there are still points to finalise. That often happens in investment discussions, business sales, major supply arrangements, joint ventures, property deals, licensing negotiations, and long-term service relationships.

When an HOA is useful

A heads of agreement is often worth using where the parties need commercial clarity before legal drafting begins. It can save time, reduce misunderstandings, and help each side decide whether to keep investing effort in the deal.

Common examples include:

  • a founder negotiating the sale of part of the business and wanting the headline price, payment structure, and exclusivity recorded before due diligence starts
  • a company discussing a long-term supply or manufacturing arrangement and needing agreement on volumes, territory, timing, and price framework
  • two businesses planning a joint venture and wanting to set out the broad commercial model before a shareholders' agreement and supporting contracts are drafted
  • a tenant agreeing commercial points for a commercial lease, licence, or occupation arrangement before the formal property documents are settled
  • an investor and startup agreeing valuation, investment amount, milestones, and confidentiality before full investment documents are prepared

It is particularly useful before you sign a contract where several teams are involved, such as founders, finance staff, commercial managers, and lawyers. A clear HOA can keep everyone aligned on the same deal.

What an HOA usually covers

The content depends on the transaction, but most heads of agreement cover the core business terms rather than every legal detail. They are meant to frame the final contract, not always replace it.

A typical HOA may include:

  • the names of the parties
  • the proposed transaction or project
  • price or pricing mechanism
  • payment timing
  • scope of goods or services
  • key dates, milestones, or completion timetable
  • due diligence process
  • conditions that must be satisfied before the deal proceeds
  • exclusivity or no-shop period
  • confidentiality obligations
  • allocation of costs
  • whether the document is intended to be binding or non-binding

If those points are left vague, the value of the HOA drops quickly. This is where founders often get caught. They feel they have a deal because the commercial discussion sounded settled, but the written terms leave too much open.

When an HOA may be legally enforceable

A heads of agreement can be legally enforceable if it contains the usual elements of a contract and shows an intention to create legal relations. The label alone does not decide the outcome.

In plain English, courts look at substance over title. Calling a document a heads of agreement, memorandum of understanding, or term sheet does not automatically make it non-binding. If the wording is sufficiently clear, the essential terms are settled, and the parties objectively intended legal effect, some or all of it may be enforced.

The enforceability question usually turns on factors such as:

  • whether the document says it is legally binding, non-binding, or binding only in specific clauses
  • whether key terms are certain enough to be enforced
  • whether anything important is still subject to further contract or formal approval
  • whether consideration is present where needed
  • whether the parties acted as though they had already committed
  • whether the subject matter has extra legal formalities

Many HOAs are drafted so that only some clauses are binding. For example, confidentiality, exclusivity, costs, governing law, and dispute resolution may bind immediately, while the wider commercial deal remains subject to contract.

What “subject to contract” really means

If a document clearly says the commercial deal is subject to contract, that usually helps show the parties do not intend to be bound on the main transaction until the final agreement is signed. But that wording needs to be used consistently.

Problems arise where one document says “subject to contract” but emails, side letters, board minutes, or later conduct suggest the parties had already agreed to proceed. Mixed messaging creates room for dispute.

It is also possible for specific clauses to be binding even where the main deal remains subject to contract. For example, an exclusivity clause may stop a seller from negotiating with another buyer for a fixed period if the wording is clear enough.

Can an HOA ever bind the whole deal?

Yes, but only if the wording and circumstances support that result. If the essential terms are complete and the parties show a clear intention to be immediately bound, the HOA may operate as the contract itself, even if a fuller version was expected later.

That is why businesses should not sign one casually. Before you rely on a verbal promise that “this is just a formality”, check what the paper actually says.

The safest approach is to decide upfront which parts of the HOA should have legal effect and draft it that way. Most disputes come from uncertainty, not from the idea of using an HOA itself.

1. Is the document binding, non-binding, or mixed?

The first legal issue is intention. The HOA should say clearly whether:

  • the entire document is legally binding
  • the entire document is non-binding
  • only specific clauses are legally binding

A mixed approach is common and often sensible. If you want only certain protections before the final contract, identify them expressly and say that the remaining provisions are subject to contract.

2. Are the key terms certain enough?

Even if the parties want legal effect, an agreement may be hard to enforce if essential terms are too vague. Phrases like “price to be agreed”, “formal agreement to follow”, or “parties will negotiate in good faith” may not give enough certainty on their own.

Before you sign, check whether the HOA actually states:

  • what is being bought, sold, supplied, licensed, or delivered
  • the price or a clear pricing method
  • the time frame
  • any conditions or approvals needed
  • when the deal becomes unconditional, if at all

If those basics are not settled, treat the HOA as a roadmap, not a guarantee.

3. Which clauses should bind immediately?

Many businesses want immediate protection on a few points while keeping the main transaction open. That can work well if those clauses are drafted as stand-alone obligations.

The most common binding provisions are:

  • confidentiality, so sensitive financial or technical information cannot be misused
  • exclusivity, so one side gets a short period to negotiate without being gazumped
  • costs, setting out who pays for due diligence, drafting, or aborted transaction costs
  • access and due diligence process, including document sharing and management meetings
  • governing law and jurisdiction
  • non-solicitation or limited conduct restrictions, where appropriate

If a clause is meant to bind, say so expressly. Do not assume a court will infer it from context.

Some transactions cannot be safely papered with a casual HOA because the law expects more formal steps. Property and share deals are common examples where wording and execution matter.

Depending on the transaction, you may need to consider:

  • whether a land agreement must satisfy specific statutory formalities
  • whether board approval or shareholder approval is required
  • whether lending or security documents need formal execution
  • whether regulatory rules apply to the arrangement
  • whether the final contract needs signatures as a deed

An HOA may still be useful in those situations, but it should not be mistaken for the final legal instrument unless it is structured to do that.

5. Are there pre-contract risks if the deal falls away?

The commercial risk usually appears before the final agreement is signed. One side may start spending money on setup, reserving stock, pausing talks with others, or sharing confidential information.

Before you sign, think about whether the HOA should deal with:

  • break fees or cost recovery, if appropriate and carefully drafted
  • ownership and return of confidential material
  • whether work can begin before the final contract
  • whether deposits are refundable
  • what happens if due diligence reveals a problem
  • how either party can walk away

If these points are left open, the business impact can be serious even where the legal position is technically non-binding.

6. Does the wording match what people are saying?

Misalignment between the document and the negotiations is a major source of disputes. Sales teams may describe the HOA as a done deal while the legal wording says otherwise. Founders may rely on WhatsApp messages or meeting notes that never made it into the document.

Before you sign, make sure the written terms match the commercial understanding. If there is an agreed point that matters commercially, record it clearly. If it is still open, say that too.

Common Mistakes With When Should You Use a Heads of Agreement Hoa for Your Business and When Is It Legally Enforceable

The biggest mistake is assuming a heads of agreement is automatically harmless. It is not. A poorly drafted HOA can create obligations you did not intend, or fail to protect you where you expected it to.

Businesses often think that if a document is called an HOA or term sheet, it cannot be enforced. That is wrong. Courts look at the actual wording and the surrounding facts.

If you want the main deal to stay non-binding until the final contract, say that clearly and keep the rest of your communications consistent with that position.

Using vague language on the important points

Founders sometimes negotiate hard on commercial headlines but leave the paper full of broad phrases. That creates uncertainty when things go wrong.

Examples include:

  • unclear payment terms
  • no start or end date for exclusivity
  • no definition of the products, services, or assets involved
  • no conditions for due diligence or approvals
  • no process for ending discussions

If a point matters commercially, it should usually be specific enough to work in practice.

Agreeing exclusivity without enough protection

Exclusivity can be valuable, but it should not be open-ended or one-sided. A buyer may want time to investigate the deal, while a seller does not want to be tied up for too long.

A workable exclusivity clause should usually address:

  • the exact start and end date
  • what conduct is restricted
  • whether passive approaches from third parties are allowed
  • whether there are milestones the protected party must meet
  • what remedies may be available if the clause is breached

Without those details, exclusivity can become more argument than protection.

Spending money too early

This is a common founder mistake. A business signs heads terms, assumes the deal will complete, then starts hiring, ordering stock, booking contractors, or turning away alternatives.

If the HOA does not bind the other side to proceed, those costs may sit entirely with you. Before you spend money on setup, check whether there is a final contract, a binding commitment, or at least a clear cost allocation clause.

Forgetting confidentiality and information control

During negotiations, businesses often share financials, customer data, pricing models, software details, or supplier lists. If the deal falls away, that information can still have value.

Do not assume the general tone of the relationship is enough. Confidentiality terms should set out what information is protected, how it can be used, who can see it, and what happens when talks end.

Letting conduct contradict the document

Even well-drafted heads terms can become risky if the parties act like the final contract already exists. Starting performance early, issuing invoices, making public announcements, or communicating internally that the deal is confirmed can muddy the legal picture.

That does not always create a contract by itself, but it can make disputes harder to resolve. Internal discipline matters as much as drafting.

Copying a template from a different deal

An HOA for investment is not the same as one for a property arrangement or supply contract. Templates often import irrelevant clauses and miss transaction-specific issues.

This is where businesses end up with odd wording, conflicting binding language, or no proper treatment of the commercial risks that matter most in that deal.

FAQs

Is a heads of agreement legally binding in the UK?

Sometimes. It depends on the wording, the certainty of the terms, the parties' intention, and the nature of the deal. Some HOAs are entirely non-binding, some are partly binding, and some may bind the whole transaction.

What is the difference between a heads of agreement and a contract?

A contract is usually the final document that creates enforceable obligations on the full deal. A heads of agreement is usually a preliminary document recording key terms while the final contract is still being negotiated, although some clauses may still be enforceable.

Should I use “subject to contract” in a heads of agreement?

If you do not want the main commercial deal to be binding yet, that wording is often helpful. But it must be used consistently, and you should still specify if any clauses, such as confidentiality or exclusivity, are meant to bind immediately.

Can I rely on a heads of agreement to force the other side to complete the deal?

Not usually unless the HOA clearly creates a binding obligation to do so and contains sufficiently certain terms. Many HOAs are drafted to record intention only, with the final commitment deferred until full contracts are signed.

What clauses are usually binding in a non-binding HOA?

Common examples are confidentiality, exclusivity, costs, governing law, jurisdiction, and how documents or information must be handled during negotiations. Those clauses should be clearly identified as binding.

Key Takeaways

  • A heads of agreement is useful when a deal is serious but the final contract is not ready.
  • In the UK, an HOA can be non-binding, partly binding, or in some cases fully enforceable, depending on the wording and circumstances.
  • The label does not decide the legal effect. Clear drafting, certainty of terms, and intention matter most.
  • Confidentiality, exclusivity, costs, and governing law are often drafted as immediately binding clauses.
  • Before you sign, check the deal structure, any required formalities, what happens if negotiations fail, and whether anyone is likely to spend money before the final contract is agreed.
  • Founders should not rely on verbal assurances that the document is “just a formality” without checking the actual wording.

If you want help with heads of agreement drafting, exclusivity clauses, confidentiality terms, final contract negotiations, or a contract review, you can reach us on 08081347754 or team@sprintlaw.co.uk for a free, no-obligations chat.

Alex Solo
Alex SoloCo-Founder

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.

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