Selling a business in the UK: the complete owner's guide.

Who this guide is for

This guide is written for owners of profitable, privately owned UK SME companies — typically with turnover up to approximately £5 million, which indicates where the service usually fits rather than a strict threshold, as every situation is considered individually — who are considering a sale in the next one to five years. It covers a share sale of a trading company to a trade buyer, a private-equity-backed acquirer, a management team or an employee ownership trust. It assumes no prior knowledge of the process and works through it in the order you will meet it. If you want a considered view of value first, request a pre-sale business valuation; if you want to understand how a represented sale runs, see selling a business.

The eight stages of a UK business sale

A private company sale runs through eight stages: deciding what you want from the exit; preparing the business and its records; establishing a defensible view of value; identifying and approaching buyers under confidentiality; negotiating offers and heads of terms; due diligence; the legal documents and completion; and the obligations that survive completion. The stages overlap in practice, but they do not reorder. Owners who try to skip the first three and go straight to market almost always spend the time later, at a worse moment, under someone else's timetable. Each stage is covered in more depth below; you can also explore more guidance on selling a business in the selling a business archive.

Stage 1 — Deciding what you actually want

Price is only one variable. Before anything else, be clear on how much cash you need on day one, how long you are willing to stay after completion, whether you care what happens to your staff and your name, and whether you would accept deferred money to reach a higher headline number. These answers determine which buyers are suitable. An owner who needs certainty and a clean break should not be running a process aimed at a private-equity buy-and-build that will want two years of continuity and a rollover of equity. An owner who wants to keep building with more capital behind them should not be sold to a trade acquirer that will absorb the business into its own operation.

Write the objectives down before you meet an adviser or a buyer, because they will be tested under pressure at the point where a large number is on the table. Broader planning of the exit itself — timing, successors, personal finances — sits in exit planning.

Stage 2 — Preparing the business

Preparation is the part of the process a seller fully controls. It rarely changes what a business is worth in principle; it decides how much of that value survives verification and negotiation. The core work is four things: management accounts that reconcile to the filed statutory accounts; documented, contracted revenue rather than revenue held by habit; reduced dependence on the owner; and written agreements where important relationships currently rest on a handshake. Twelve months is a comfortable run-up, three months is enough to avoid the worst outcomes, and none at all is the most common reason a sound business sells badly.

Preparation also includes the unglamorous administrative layer: a clean share register and evidence of historic transfers, intellectual property properly assigned to the company by contractors and developers, a lease that can be assigned or that has landlord consent contemplated, and personal expenditure separated from company costs. Work through the preparation checklist in full, and be aware that filed accounts, charges, officer history and late-filing markers are on the public register before a buyer asks a single question.

Stage 3 — Understanding value before you go to market

A private company is normally valued as a multiple of maintainable earnings, most often adjusted EBITDA, with the multiple reflecting size, growth, sector, customer concentration, contracted revenue, management depth and the competitive tension in the process. Two businesses with identical profit can be worth materially different sums. The adjustments matter as much as the multiple: adding back genuine one-off costs and above-market owner remuneration is ordinary and accepted, while adding back deferred maintenance or discretionary spending the business will need to keep making is not, and attempting it damages credibility across every other number.

Understand the mechanics before you hear a figure from a buyer — see how a business is valued before sale. Understand also that the multiple is applied to enterprise value, and that what you receive is equity value after cash, debt and adjustments. That distinction is explained in cash-free, debt-free and working capital adjustments, and it is the single largest source of disappointment among first-time sellers.

Stage 4 — Finding the right buyers

For a company of this size, waiting for enquiries from a listing site is not a strategy. The buyers who pay the most are usually the ones who were not looking: trade acquirers in adjacent markets, competitors seeking capacity or geography, groups executing a buy-and-build, and management teams backed by funders. A properly run process builds a researched list of named acquirers, approaches them on an anonymous basis, qualifies interest and financial capability before anything identifying is released, and creates a timetable so that several credible parties are considering the business at the same time.

Competition is what moves price. A single interested buyer sets the terms; three set the market. This is why the sequencing of disclosure, the quality of the information memorandum and the discipline of the timetable matter more than the volume of enquiries. Live requirements from acquirers currently in the market are published on live projects.

Stage 5 — Offers and heads of terms

Heads of terms record what has been agreed in principle: price and the mechanism for calculating it, the structure of the consideration, the treatment of cash and debt, the working capital arrangement, exclusivity, the timetable, and what the seller is expected to do after completion. They are usually not legally binding on price, but they are commercially binding in practice: everything conceded here has to be argued back afterwards, from a weaker position, once exclusivity has removed your alternatives.

Keep exclusivity short and tied to milestones, and settle the pricing mechanism — not just the headline number — before signing. Heads of terms and deal structure covers the detail, and earn-outs and deferred consideration covers how the deferred elements are constructed and where they go wrong.

Stage 6 — Due diligence

Due diligence is the buyer verifying, with their own advisers, everything you have told them. It normally runs across financial, legal, commercial and employment workstreams and occupies six to twelve weeks on an owner-managed company. Sellers lose money here far more often through disorganisation than through anything genuinely wrong with the business: a defect the buyer finds is a price adjustment, while a defect you disclosed at the outset is a negotiated term. Prepare the data room before launch, not in response to the first request list. See due diligence preparation.

Stage 7 — Legals and completion

The share purchase agreement, the disclosure letter and the ancillary documents are drafted in parallel with diligence. The commercial negotiation at this stage is about risk allocation: the scope and duration of the warranties, the indemnities for known issues, financial caps and de minimis thresholds, any retention or escrow, restrictive covenants, and the mechanism for completion accounts or a locked box. Instruct a solicitor who closes owner-managed company sales regularly. General commercial firms can and do handle these transactions, but experience of what is market on warranty caps and disclosure practice is worth more than an hourly rate.

Where the transaction is an asset sale, or where part of a business transfers as a going concern, employment obligations transfer with it and carry statutory information and consultation duties that must be built into the completion timetable rather than discovered late.

Stage 8 — After completion

Completion transfers ownership; it does not end your involvement. The share transfer is stamped where duty applies, the statutory registers and Companies House filings are updated, the warranty period runs for typically twelve to twenty-four months for commercial matters and longer for tax, any retention is released on the agreed dates, any earn-out is measured against defined accounts, and the handover you agreed to has to be delivered. Your own tax on the disposal is reported and paid in the relevant tax year. See life after completion.

Choosing between types of buyer

Trade buyers acquire for capability, capacity, customers or geography, and can often pay more because part of the value is what the business is worth inside their group rather than on its own. They also ask the most searching commercial questions and may absorb the business entirely. Private-equity-backed acquirers and buy-and-build platforms bring funding discipline and usually want continuity: a management team that stays, often some reinvested equity, and a performance period. Individual buyers and search funds can be excellent owners but depend on external funding, so their offers carry more conditionality. Management buyouts preserve continuity and confidentiality but are limited by what the team can raise.

There is no universally superior category. The right buyer is the one whose reasons for buying match what you want from the exit, and whose funding is capable of surviving diligence.

Employee ownership trusts and management succession

A sale to a qualifying employee ownership trust transfers a controlling interest to a trust held for the benefit of employees, and has its own statutory conditions and tax treatment. It suits owners who value continuity and cultural preservation, and who can accept that much of the consideration is typically paid from the company's future profits rather than upfront by a third party. It is a genuine succession route, not a shortcut to a full-price cash exit, and the funding profile should be modelled with your accountant before it is committed to. Management succession raises similar questions and is covered further in exit planning and selling a business to retire.

What selling costs

Expect four cost lines: the sell-side adviser, usually a modest retainer plus a success fee weighted to outcome; corporate legal fees for the share purchase agreement, disclosure letter and ancillaries, which vary widely with how contested the warranty negotiation becomes; accountancy support for tax advice and financial diligence responses; and personal financial advice on the proceeds. Fees are worth judging against the range of outcomes rather than in isolation — the difference between a single unopposed buyer and three competing ones normally exceeds the entire cost of the process.

What owners commonly misunderstand

Four beliefs cause most of the disappointment. The first is that turnover drives value; it does not, maintainable profit and risk do. The second is that the headline price is the amount received; it is the starting point of a calculation. The third is that a buyer's initial offer represents their ceiling; a first offer is a position, and it is normally structured to leave room. The fourth is that preparation can be done during the process; it cannot, because the point at which a buyer asks for something is the point at which producing it slowly becomes evidence of weakness.

A fifth, less common but more damaging, is the belief that the business can be quietly shopped around without consequence. Approaches made informally to competitors, without an adviser, without qualification and without a non-disclosure agreement, transfer commercially sensitive information to the party with the strongest incentive to use it.

What sophisticated buyers focus on

Experienced acquirers do not read a business the way its owner does. They test the durability of earnings rather than their level: what proportion of revenue is contracted, what the renewal history looks like, how pricing is set and whether it has moved with cost inflation. They examine customer concentration and, more precisely, the number of individual decision-makers inside each large customer. They look at whether the management team makes decisions or executes the owner's. They read the working capital cycle to work out how much cash the business will absorb as it grows. And they form a view, early, on how much of the performance walks out of the door with the seller.

What damages value and creates price chips

Price reductions between heads of terms and completion follow a predictable pattern. Management information that cannot be reconciled to the statutory accounts is the most frequent trigger, because it undermines every other number. Add-backs that fail scrutiny are next. Then come working capital levels below the agreed normal, undocumented related-party transactions, contracts containing change-of-control provisions that require consent, intellectual property created by contractors and never assigned, property matters such as an unassigned lease or missing consent to alterations, and employment issues found late. Almost all of these are visible in advance to anyone who looks for them before a buyer does.

Why deals fall through

Sales collapse for a small number of recurring reasons: the buyer's funding does not arrive on the terms assumed; diligence uncovers something material that was not disclosed; the parties agree a price without agreeing the mechanism behind it and discover the gap after exclusivity; the seller's motivation changes once the reality of leaving becomes concrete; or the process simply runs so long that trading performance drifts away from the figures the offer was based on. The last of these is preventable, and it is the reason a disciplined timetable is a commercial protection rather than administrative tidiness.

Confidentiality and why it has commercial consequences

A leak is not merely embarrassing. Staff update their CV, competitors call your customers to suggest instability, suppliers review credit terms, and the trading performance a buyer is underwriting starts to deteriorate at exactly the moment it is being examined. Confidentiality is therefore managed procedurally: an anonymised profile that cannot be reverse-engineered, buyers qualified before release, non-disclosure agreements signed before the information memorandum is issued, staged disclosure of sensitive commercial detail, and site visits scheduled to avoid speculation. How to sell a business confidentially sets out the mechanics.

Tax: the headline points and where to take advice

A share sale by an individual normally gives rise to Capital Gains Tax on the disposal. Business Asset Disposal Relief may reduce the rate on qualifying gains up to the lifetime limit, subject to conditions including a qualifying two-year period and the company being a personal company of the seller; the relief rate has changed in recent years, so the rate that applies depends on the date of disposal. Sales to a qualifying employee ownership trust have their own treatment and their own conditions. Deferred consideration and earn-outs raise timing questions that need to be settled before heads of terms are signed, not afterwards. Take advice from your own accountant on your own figures before agreeing a structure.

Choosing advisers

A typical sale team is a sell-side adviser running the process, a solicitor drafting and negotiating the documents, your accountant advising on tax and supporting the financial diligence, and, after completion, a regulated financial adviser for the proceeds. Judge a sell-side adviser on how they intend to find buyers, whether the fee structure aligns them to outcome, how they handle confidentiality, and whether they will tell you something you do not want to hear before exclusivity rather than after it. How EXITS.co.uk works is set out on selling a business and who we are.

How long does it take to sell a business in the UK?

Six to twelve months from launch to completion is the realistic range for a prepared, profitable company, with preparation adding three to twelve months before that. Within the sale, marketing and buyer qualification typically take two to four months, heads of terms two to six weeks, and heads to completion eight to sixteen weeks. See how long it takes to sell a business.

How much is my business worth?

Most UK private companies are valued as a multiple of adjusted, maintainable EBITDA, with the multiple driven by size, growth, contracted revenue, customer concentration, management depth and competitive tension. Sector rules of thumb are a starting point at best. A considered view requires your own figures, which is what a pre-sale valuation produces.

Do I need a business broker to sell my company?

There is no legal requirement to use one. The practical question is whether you can research and approach a full buyer universe, run a confidential competitive process, and negotiate heads of terms and the diligence period while continuing to run the business at the performance level the offer assumes. Owners who sell to a buyer they already know sometimes manage without representation; owners seeking the best available buyer rarely do.

When should I tell my employees?

In most sales, not at the outset. Key individuals whose cooperation the buyer needs are usually brought in shortly before or after exclusivity, under confidentiality and with retention arrangements settled. Wider announcement normally happens at or immediately after completion. The timing is a judgement to take with your adviser rather than a fixed rule, and it changes where employment obligations to inform and consult apply.

Can I sell only part of my business?

Yes. A partial sale, a sale of a division or trade and assets, or an investment that takes a minority or majority stake while you continue are all routine. Each carries different tax and legal consequences from a clean share sale, and the structure should be settled with your accountant and solicitor before terms are agreed.

What is the first step?

A confidential conversation and a view of value based on your own figures. Nothing is advertised and no buyer is approached without your agreement. Read the preparation checklist, browse the selling a business archive for the specific questions that come up most often, or contact EXITS.co.uk to discuss where you are.

This page is general information about the law and tax treatment of business sales in the United Kingdom as at 9 August 2026. It is not personal advice, and the treatment of any particular transaction depends on how the deal is structured, the shareholders' own circumstances, the status of the company, the legislation in force at completion and the interpretation of your own accountant and solicitor. Take advice on your own facts before acting.