For many SME business owners, the moment the share purchase agreement arrives is when the transaction begins to feel real. What may have started as a straightforward commercial discussion is now expressed through detailed legal drafting, with each clause carrying weight and consequence.
‘A share purchase agreement is where the commercial deal is translated into legal reality,’ says Tom Bodkin, a partner at Borneo Martell Turner Coulston. ‘It is not just about recording what has been agreed. It is about allocating risk, anticipating issues and ensuring that both parties are clear on their rights and obligations.’
In this article, Tom explores the key provisions typically found in a share purchase agreement, how due diligence influences negotiations, and the legal and tax considerations that underpin a successful transaction.
Purchase price and payment terms
The purchase price is often the headline figure that attracts the most attention. However, the way that price is structured and paid can have an equally significant impact on the overall value of the deal.
In many transactions, the price is not paid entirely on completion. Instead, it may be divided into different components, for example:
- an initial payment on completion;
- deferred consideration payable at a later date; and
- an earn-out, where part of the price depends on the future performance of the business.
Warranties and disclosure
Warranties are a central feature of any share purchase agreement. They are statements made by the seller about the condition of the business, covering areas such as financial information, contracts, assets, employees and compliance with laws.
From the buyer’s perspective, warranties provide reassurance and a route to compensation if the business is not as described. For the seller, they represent a potential source of liability after completion.
This is where the disclosure process becomes critical. Sellers are given the opportunity to qualify the warranties by disclosing matters that might otherwise constitute a breach.
Indemnities
Indemnities sit alongside warranties but serve a different purpose. Rather than providing general protection, they are used to allocate risk regarding specific, identified issues.
These might arise from matters uncovered during due diligence, such as:
- a known tax exposure;
- an ongoing piece of litigation; or
- a regulatory concern affecting the business.
Indemnities are often more favourable to buyers than warranty claims, as they can provide a direct pound-for-pound recovery without the need to prove loss in the same way. As a result, they are frequently the subject of detailed negotiation.
Restrictive covenants
Restrictive covenants are designed to protect the goodwill that the buyer is acquiring. Without them, a seller could theoretically sell a business and then immediately set up in competition.
These clauses typically prevent the seller from:
- competing with the business;
- soliciting its customers; or
- recruiting its employees.
While such restrictions are common, they must be reasonable in scope, duration and geographical reach to be enforceable. For business owners, this is an important area to consider carefully, particularly where future ventures or ongoing involvement in the sector are anticipated.
Due diligence and its impact on the share purchase agreement
Due diligence is the process by which the buyer investigates the target business before committing to the transaction. It acts as both a verification exercise and a risk assessment, and its findings often shape the content of the share purchase agreement.
Typically, due diligence will focus on areas such as:
- financial performance and historic accounts;
- key commercial contracts and customer relationships;
- employees, pensions and HR matters; and
- regulatory compliance and potential liabilities.
Legal and tax considerations
Beyond the commercial terms of the share purchase agreement, there are a number of legal and tax steps that must be addressed to ensure the transaction is properly implemented.
From a legal perspective, this will typically include:
- obtaining any necessary board and shareholder approvals;
- agreeing and coordinating the mechanics of completion, including the exchange of documents and funds; and
- making the required filings at Companies House to reflect the change in ownership.
Each of these steps plays a role in ensuring that legal title to the shares passes correctly and that the transaction is effective in law.
Tax considerations are equally important and should not be treated as an afterthought. The structure of the transaction can have significant implications for both buyer and seller, affecting the overall value realised from the deal.
For an informal conversation about a proposed sale or acquisition, please contact Tom Bodkin in the commercial team on 01604 622101 or email tom.bodking@bmtclaw.co.uk
This article is for general information only and does not constitute legal or professional advice. Please note that the law may have changed since this article was published.

