Buying or selling a business is one of the most significant decisions a business owner will make. It is not a single event, but a structured process involving careful planning, negotiation and legal risk management.

For first time buyers, the acquisition process can feel unfamiliar and documentation heavy. For SME owners selling their business, the transaction will determine not only price, but also how much risk and liability they retain after completion.

This article will walk you through how a typical acquisition works in practice, focusing on the legal mechanics and practical considerations.

How Business Acquisitions Are Structured

Most private company acquisitions in the UK are structured as either a share sale or an asset sale.

In a share sale, the buyer acquires the shares in the target company and therefore takes ownership of the business as a whole. This includes its assets, contracts, employees and liabilities.

In an asset sale, the buyer purchases specific assets and may assume only certain liabilities. While this can reduce risk for buyers, it often has tax, employment and practical consequences for sellers and may require additional consents.

The appropriate structure is usually agreed early in the process, taking into account tax treatment, regulatory issues, risk allocation and commercial objectives.

Before formal negotiations begin, both buyers and sellers should be clear on their objectives, acceptable risk levels and preferred timescales.

Early legal involvement helps identify potential issues that could delay or undermine the transaction later, such as shareholder approval requirements, regulatory consents or restrictions within key commercial contracts. Addressing these issues early reduces the risk of renegotiation or delay once the transaction is underway.

This stage is also where valuation expectations and deal structure are tested against legal and practical realities.

Confidentiality and Information Sharing

Once discussions move beyond an initial approach, the parties will usually enter into a Non-Disclosure Agreement.

An NDA governs how confidential information can be used, who may access it and how long confidentiality obligations apply. It will usually cover financial information, commercial arrangements, intellectual property and the existence of negotiations themselves.

For sellers, this protects sensitive business information. For buyers, it provides a clear framework within which due diligence can be conducted responsibly.

Heads of Terms and Exclusivity

If the parties wish to proceed, they will typically agree Heads of Terms or a Letter of Intent. This document records the principal commercial terms of the transaction, including price, structure, any deferred consideration, and the anticipated timetable.

Heads of Terms often include an exclusivity period, during which the seller agrees not to engage with other potential buyers. While much of the document is usually expressed to be non-binding, certain provisions such as exclusivity, confidentiality and costs can be legally enforceable.

As a result, Heads of Terms should be treated as a substantive legal document rather than a procedural step.

Due diligence is the process by which a buyer verifies the legal, financial and operational position of the target business.

Legal due diligence commonly covers corporate structure and ownership, key customer and supplier contracts, employment arrangements, intellectual property, regulatory compliance, data protection practices, and any existing or potential disputes.

This stage allows buyers to identify risks that may affect value or require contractual protection. For sellers, it often exposes gaps in record keeping or informal arrangements that need to be addressed before completion.

The Sale and Purchase Agreement

The Sale and Purchase Agreement is the principal contract governing the transaction.

It sets out how ownership transfers, how and when the purchase price is paid, and how risk is allocated between the buyer and seller. This includes warranties given by the seller about the business, indemnities for specific known risks, and limitations on the seller’s liability.

In many SME transactions, not all of the consideration is paid on completion. Some or all of the price may be deferred, for example through earn-out arrangements linked to future performance or retention mechanisms designed to protect the buyer.

The SPA is negotiated in detail because it determines what remedies are available if issues arise after completion. This is particularly important in SME transactions, where post completion disputes often relate to warranties or undisclosed liabilities.

Disclosure and Managing Seller Liability

The Disclosure Letter accompanies the Sale and Purchase Agreement and qualifies the warranties given by the seller.

By properly disclosing relevant matters, the seller reduces the risk of warranty claims after completion. For sellers, this is a critical protection and requires careful preparation.

Incomplete or poorly prepared disclosure is one of the most common causes of post completion claims.

Regulatory and Third Party Consents

Many transactions require approvals or consents before they can complete. These may include competition related filings, sector specific regulatory approvals, or consents from landlords, lenders or key commercial counterparties.

Identifying these requirements early is essential, as they often affect timing and deal certainty.

Signing and Completion

Signing occurs when the transaction documents are executed. Completion is when ownership transfers, funds are paid and control of the business passes to the buyer.

In some transactions, signing and completion take place on the same day. In others, completion follows once agreed conditions have been satisfied. Legal advisers coordinate this process to ensure funds are transferred securely, documents take effect correctly and statutory filings are made on time.

Post Completion Matters

Completion does not bring the legal process to an end.

Post completion steps commonly include Companies House filings, contract assignments or novations, implementation of restrictive covenants and employment related actions. These steps ensure that the transaction is fully effective and enforceable.

Final word – buying a business

Buying a business is not simply a commercial negotiation. It is a legal process designed to allocate risk, protect value and provide certainty for both parties.

For first time buyers and SME owners, understanding how that process works and engaging legal advisers early can materially improve outcomes.

At Farringford Legal, we advise clients throughout the acquisition process with a practical and commercially focused approach grounded in UK transactional experience.