Business Sale Agreement Template: What To Include Before You Sign

If you’re buying or selling a business, it’s tempting to search for a business sale agreement template UK, fill in the blanks, and move on.

But a business sale isn’t a “fill-in-the-form” kind of deal. Even a small transaction can involve staff, leases, supplier contracts, customer data, intellectual property, and liabilities that don’t show up until after completion.

In this guide, we’ll walk you through what a business sale agreement typically needs to cover in the UK, what to watch out for before you sign, and why using a generic sale of business agreement template UK can be risky if it’s not tailored to your deal.

What Is A Business Sale Agreement (And When Do You Need One)?

A business sale agreement is the main contract that documents the terms of a business sale. It sets out what’s being sold, what’s not, the price and payment terms, what happens at completion, and what promises (warranties) each side is making.

In practical terms, it’s the document that should protect both sides by answering the big questions upfront, like:

• What exactly is the buyer getting (and not getting)?
• What liabilities stay with the seller?
• Who keeps key contracts, customer lists, websites, and brand assets?
• Do employees transfer across, and on what terms?
• What happens if something turns out to be untrue after completion?

You’ll usually need a business sale agreement when:

• You’re selling the assets of a business (an “asset purchase”).
• You’re selling shares in a company that carries on the business (a “share purchase”).
• You’re buying a going concern and need a clear handover of operations, contracts, and risk.

If you’re looking for a starting point, a properly drafted Business Sale Agreement is typically the core document that ties the whole transaction together.

Asset Sale Vs Share Sale: Your Template Needs To Match The Deal

One of the biggest issues with using a generic business sale agreement template UK is that it may assume the wrong type of sale.

In the UK, most business sales fall into one of two buckets:

1) Asset Sale (Sale Of Business And Assets)

In an asset sale, the buyer purchases specific assets of the business. This could include equipment, stock, IP, website, goodwill, customer lists, and sometimes contracts (if they can be assigned or novated).

Asset sales are popular for small businesses because they can be simpler in terms of “what you’re buying”, but they still require careful drafting to deal with:

• which assets are included/excluded;
• which liabilities (if any) move across;
• how employees are handled under TUPE (more on this below);
• whether key contracts transfer (and how);
• whether the business name/branding transfers.

2) Share Sale (Sale Of Shares In A Company)

In a share sale, the buyer buys the shares in the company that owns the business. That means the company stays the same, but ownership changes hands.

This usually means the buyer also inherits:

• the company’s existing contracts;
• any existing liabilities (including unknown ones);
• employment relationships;
• tax history and compliance risks.

Share sales tend to be more warranty-heavy because the buyer is relying on the seller’s statements about what’s “inside” the company. If a template isn’t structured for a share sale, it may completely miss the protections a buyer expects.

Also, if your deal involves shareholders (for example, multiple founders or investors), it’s worth checking what obligations exist under a Shareholders Agreement before you assume the shares can be sold freely.

What Should A Business Sale Agreement Template UK Include?

A strong sale of business agreement template UK should read like a “map” of the transaction: who, what, when, how, and what happens if something goes wrong.

Below are the clauses and schedules we typically expect to see (and tailor) in a business sale agreement.

The Parties And The Structure Of The Sale

This sounds basic, but it matters. Your agreement should clearly identify:

• the seller (and whether they are an individual, partnership, or company);
• the buyer (and whether they’re buying personally or via a new company);
• whether it’s an asset sale or a share sale;
• any guarantors (if relevant).

If the seller is a company, you may also need to confirm the seller has authority to enter into the contract (for example, board approval).

What’s Included In The Sale (And What’s Excluded)

This is where a generic template often causes disputes, because the parties think they agreed to “the business” - but they have different assumptions about what that means.

Your agreement should list, with as much clarity as possible, what is included. For example:

• Tangible assets: equipment, vehicles, furniture, tools, POS systems.
• Stock: how stock is valued, and whether it’s included in the price or paid separately.
• Intellectual property: brand names, logos, domain names, social media accounts, copyrighted content.
• Goodwill: effectively, the reputation and customer base you’re buying.
• Customer data: whether and how customer lists can transfer (this has privacy implications).
• Contracts: supplier agreements, customer agreements, leases (not always transferable).

It should also list what is excluded. Common examples include:

• cash in the bank (unless agreed otherwise);
• old debts (accounts receivable) the seller is keeping;
• certain liabilities;
• the seller’s separate trading entities or other assets.

Purchase Price, Deposit, And Payment Terms

The agreement should set out the total purchase price and how it will be paid, including:

• deposit amount and when it’s payable;
• how the balance is paid at completion (bank transfer, escrow, etc.);
• any price adjustments (for example, stock valuation, work in progress, debt adjustments);
• earn-outs or deferred consideration (if the buyer is paying over time).

If part of the price is deferred, you’ll also want to think about what security the seller has if the buyer doesn’t pay (and what remedies exist if payment is late or missed).

Completion Mechanics (What Happens On The Day)

“Completion” is the moment the business legally changes hands. Your agreement should list what must happen at completion, such as:

• transfer of assets;
• handover of keys, equipment, records, and logins;
• delivery of signed ancillary documents;
• payment of the purchase price balance;
• the seller’s resignation as director (for share sales) and appointment of new directors.

Many deals also use a separate checklist to keep things organised, particularly when there are multiple moving parts. A Completion Checklist can be the practical “to-do list” that helps everyone avoid last-minute surprises.

Employees And TUPE Considerations

If you’re buying a business with staff, you can’t treat that as an afterthought.

In some business transfers, the Transfer of Undertakings (Protection of Employment) Regulations 2006 (TUPE) may apply. Whether TUPE applies is fact-specific and depends on how the business (or part of it) is transferring. If it does apply, employees can transfer automatically to the buyer on their existing terms, and continuity of employment is preserved.

Your sale agreement should address:

• whether TUPE is expected to apply (and how the parties will handle it);
• responsibility for employee claims arising before or after completion;
• information and consultation obligations;
• any agreed staff changes (which can be legally sensitive under TUPE).

If the buyer will rely on the seller staying on temporarily (for example, to help transition clients), that arrangement should be documented separately as well - often through a short-term Service Agreement.

Premises: Leases, Licences, And Landlord Consents

If the business operates from a physical location, the property position is often the deal-breaker.

Your agreement should clearly state what’s happening with the premises, for example:

• Is the buyer taking an assignment of the lease?
• Is the buyer getting a new lease directly from the landlord?
• Is the premises excluded (and the buyer is relocating)?

Many leases require landlord consent for assignment, and there may be conditions (such as financial checks, references, or a rent deposit). A template that doesn’t build in these approvals as “conditions precedent” can create a situation where the parties are contractually committed but practically stuck.

Transfer Of Contracts: Assignment Vs Novation

In an asset sale, the buyer often wants key contracts to move across (supplier agreements, customer contracts, maintenance agreements, software subscriptions, and so on).

But not every contract can simply be “transferred.” Sometimes you can assign rights, but not obligations. Sometimes the other party’s consent is required. Sometimes you need a full novation.

If contracts need to be novated, it’s worth documenting that properly using a Deed of Novation, rather than relying on informal emails or assumptions.

Warranties, Disclosures, And Indemnities (Where The Real Risk Sits)

If you’ve ever looked at a sale of business contract template free UK and thought, “This looks short and manageable,” it’s often because it’s missing the part where most risk is managed: warranties and indemnities.

Warranties are statements of fact (promises) about the business, such as:

• accounts are accurate and not misleading;
• the business owns the assets it says it owns;
• there are no undisclosed disputes or litigation;
• tax filings are up to date;
• key customer/supplier contracts are valid and not in breach.

Indemnities are often used for specific known risks (for example, a particular dispute or a known tax issue), where the seller agrees to reimburse the buyer if the risk materialises.

Warranties and indemnities are also tied closely to:

• time limits for claims;
• financial caps on liability;
• how claims must be notified;
• the disclosure letter / disclosures (what the seller tells the buyer that qualifies the warranties).

This is one of the biggest reasons generic templates can be dangerous: they can be too seller-friendly, too buyer-friendly, or simply not aligned with the commercial reality of the deal.

Restrictive Covenants (Non-Compete And Non-Solicit)

If you’re the buyer, you’ll usually want to ensure the seller doesn’t sell you the goodwill on Friday and open a competing business on Monday.

Restrictive covenants can include:

• Non-compete: the seller can’t run a competing business within a set area for a set period.
• Non-solicitation: the seller can’t approach key customers, suppliers, or staff.
• Non-dealing: the seller can’t accept business from those parties even if approached.

In the UK, restrictive covenants generally need to be reasonable (in time, geography, and scope) to be enforceable. A “one size fits all” template often gets this wrong, either making them too broad (harder to enforce) or too narrow (not useful).

Data Protection And Confidential Information

Customer lists, supplier details, pricing structures, and marketing strategies are often a huge part of what you’re buying.

Your agreement should deal with confidentiality both before and after completion, and you should also think about whether any personal data is being transferred. Under the UK GDPR and the Data Protection Act 2018, you generally need a lawful basis for processing and sharing personal data, and you should document what data is transferring and why.

If the deal includes mailing lists or customer contact details, you may also need a careful handover plan (and in some cases customer communications) to stay compliant.

Why A “Sale Of Business Contract Template Free UK” Can Create Expensive Problems

We get it - when you’re already paying for accountants, due diligence, and potentially finance, it’s natural to look for ways to keep legal costs down.

But a generic business sale agreement template UK (especially a free one) often creates risks that cost far more later, such as:

• Ambiguity about what’s included, leading to disputes about assets, stock, or IP.
• No clear liability allocation, meaning the buyer may inherit problems they didn’t price in (or the seller may be chased for issues they thought were excluded).
• No TUPE strategy, which can lead to employee claims and regulatory risk.
• Missing consents (landlords, suppliers, regulators), making completion impossible or delayed.
• Weak warranty protections, leaving the buyer without meaningful remedies if something was misrepresented.
• Unenforceable restrictive covenants, leaving the buyer exposed commercially.

A template can be a helpful starting point for understanding structure, but it shouldn’t be the finish line. The agreement needs to reflect your exact business, your risk appetite, and how the deal is actually being funded and handed over. Tax and financial outcomes can also vary depending on the structure and your circumstances, so it’s worth getting accountant input early.

Before You Sign: A Practical Checklist For Small Business Owners

Whether you’re buying or selling, there are a few steps you should take before you sign anything (including heads of terms).

1) Confirm The Deal Structure Early

Be clear on whether it’s an asset sale or share sale, and make sure the agreement matches. This impacts tax, liabilities, contract transfers, and the documents you’ll need at completion.

2) Do Targeted Due Diligence (Even For Small Deals)

Due diligence doesn’t need to be overwhelming, but it does need to be real. At a minimum, the buyer should check:

• ownership of key assets and IP;
• key customer and supplier contracts (including termination rights);
• employee terms and any ongoing disputes;
• leases and property obligations;
• financial records and tax position.

When you want a structured approach (without reinventing the wheel), a Legal Due Diligence Package can help ensure you’re checking the right things for the type of business you’re buying.

3) Make Sure Warranties Match What You’ve Checked

Warranties aren’t just “standard clauses.” They should line up with what was investigated, what was disclosed, and what risks remain.

If you’re the seller, you’ll want to ensure you can honestly give the warranties and that disclosures properly qualify them.

If you’re the buyer, you’ll want warranties that actually protect you where you have information gaps.

4) Tie Up Third-Party Consents Before Completion

Common consents include:

• landlord consent to assign a lease;
• supplier consent to transfer a key agreement;
• finance provider consent if assets are secured;
• software platform approvals if accounts are being transferred.

If you sign too early without these lined up, you can end up committed to a deal that can’t complete on time (or at all).

5) Get The Agreement Reviewed (Even If You Started With A Template)

If you’ve started with a sale of business agreement template UK, it’s still worth getting it checked and tailored. A quick legal review can flag missing clauses, unenforceable terms, or commercial issues you may not have considered.

For example, many small business owners ask us to review transaction documents the same way they’d review any high-stakes contract - through a Contract Review that focuses on risk, clarity, and enforceability.

Key Takeaways

• A business sale agreement is the key legal document that sets out what is being sold, how the sale works, and how risk is allocated between buyer and seller.
• Your business sale agreement template UK needs to match the deal structure - asset sale and share sale agreements are not interchangeable.
• A well-drafted agreement should cover assets included/excluded, price and payment terms, employees (including TUPE), premises, contract transfers, warranties/indemnities, restrictive covenants, and completion mechanics.
• Using a sale of business contract template free UK can create costly gaps, especially around warranties, liabilities, TUPE, and third-party consents.
• Before you sign, confirm the structure early, complete practical due diligence, line up consents, and have the agreement reviewed so you’re protected from day one.

Note: This article is general information only and isn’t legal, tax, or financial advice. Business sales are highly fact-specific, and you should get advice for your situation (including from your accountant on tax treatment).

If you’d like help with a business sale agreement (whether you’re buying or selling), you can reach us at 08081347754 or team@sprintlaw.co.uk for a free, no-obligations chat.