How to Sell a Business in the UK

Selling a business is one of the most significant financial events in most business owners’ lives, often the culmination of decades of work. The difference between a good outcome and a great one almost always comes down to how well prepared the seller is before the formal process even begins.

This article covers the full journey of how to sell a business in the UK: choosing your exit route, preparing the business for sale, appointing the right advisers, the sale process itself, the tax position, and what good planning looks like in the year before and the year after a sale. As a financial planning firm rather than a law firm or broker, our focus here is on what the outcome means for your financial life, not simply on getting a transaction over the line.

Your exit route options and which is right for you?

There are a number of routes available to business owners when looking to sell their business. These are the most common:

Trade sale:

This is when you sell to a competitor or strategic acquirer. It typically achieves the highest valuation, since a buyer who can absorb overheads or cross-sell to your customers will often pay more than a purely financial buyer. It’s usually the cleanest exit too, with 100% cash on completion achievable this route. It’s best for owners wanting a full, clean exit at maximum value.

Private equity (PE):

This is when a financial buyer takes a majority stake in your business, often asking management to reinvest some proceeds and retain a stake for a second exit, typically 3–5 years later. Due diligence tends to be thorough. It’s best for owners who want to de-risk while still growing the business with institutional backing.

Management buyout (MBO):

This is when the existing management team acquires the business, usually funded by bank debt and asset-backed lending. Valuations tend to run a little lower than a trade sale, since the team’s ability to pay is limited by the business’s own cash flow. It’s best where continuity of culture and team matters most.

Employee Ownership Trust (EOT):

This is when the business is sold to a trust held for employees. From 26 November 2025, sellers receive a 50% CGT exemption on qualifying gains (down from 100%), giving an effective CGT rate of 12% – still lower than the standard 24%, or BADR’s 18%. In this route, the consideration is typically deferred, paid from future profits rather than upfront cash. It’s best for owners motivated by legacy, where a strong management team can run things independently.

Family succession:

This is when a business is transferred by gift, at market value, or as a hybrid of the two. Inheritance tax planning in this route is now more significant given the Business Property Relief cap from April 2026 – the first £2.5 million of combined agricultural and business property still qualifies for 100% relief, with 50% relief above that. For many, this is often the most emotionally satisfying route, but often the most complex to structure.

In practice, many owners don’t get to choose freely. A business’s structure, its management team, and the state of the market all shape the realistic options.

Which route feels most natural for your business, and have you started building toward it yet? The best time to start is 3–5 years before your target sale date, not 3–5 months.

Preparing your business for sale

There a number of ways you can prepare your business for its sale, making the process as efficient as possible.

Financial preparation – the 12-month priority list

• Maximise pension contributions before the sale: Employer pension contributions reduce company profits and therefore the tax base before a sale. A business owner who maximises contributions in the 1–2 years before a transaction can materially reduce their tax bill and pre-fund retirement simultaneously. Timing relative to the sale date matters as HMRC scrutinises pre-sale pension contribution spikes
• Check and protect your BADR position: the 2-year qualifying conditions (5% shareholding, employee/director status, trading company test) must be satisfied up to the date of sale. Any changes to share structure, role, or the company’s activities in the run-up to the sale can inadvertently break eligibility. Be sure to review this at least 12 months out.
• Clean up the balance sheet: It’s good practice to remove personal assets from the company (car, property, personal investments). You may also want to ensure cash above the company’s working capital needs is drawn down efficiently ahead of a sale, rather than inflating the balance sheet without increasing valuation
• Normalise the accounts: Three years of clean, consistent management accounts with a clearly documented add-back schedule will significantly smooth due diligence and support the valuation case
• Decide on the structure early: share sale or asset sale has major tax implications for both buyer and seller; resolving this with advisers early shapes how the business is presented to the market.

Operational preparation

You can also make changes to how your company operates, making it a smoother process when you come to selling it.

• Reduce owner dependency – document key processes, relationships, and knowledge; begin transitioning client relationships to senior team members
• Diversify the customer base where possible – any single customer over 15–20% of revenue will attract buyer scrutiny and potentially a valuation discount
• Ensure IP, contracts, and key agreements are properly documented, transferable, and not personally held by the owner
• Put key employees on formal contracts and, where appropriate, consider EMI share option schemes as a retention and alignment tool ahead of a sale

Building your advisory team

The following roles are needed within any robust and comprehensive advisory team when selling your business:

• Corporate finance adviser or business broker: This role holder will lead the sale process, value the business, identify and approach buyers, and manage the data room and due diligence process. Selecting a firm with sector-specific transaction experience matters significantly since a generalist broker and a sector specialist may achieve very different outcomes
• M&A lawyer: This type of lawyer drafts and negotiates the sale agreement, warranties, and disclosure letter. They should be appointed before heads of terms are agreed, not after
• Accountant: This role is responsible for managing the tax structuring, preparing the financial information pack, and advising on the optimal structure of the consideration (upfront cash, deferred, loan notes, etc.)
• Financial planner: Crucially, a financial planner will map the after-tax proceeds against the owner’s retirement and lifestyle goals; model different consideration structures and their long-term implications; manage the invested proceeds post-completion. Often the least visible member of the team, but the one whose work most directly determines what the sale actually achieves for the owner

Most owners appoint the corporate finance adviser first and the financial planner last, if at all. The better order is the reverse – understanding what “enough” looks like for you should shape the deal structure, not the other way round.

The sale process

The sale process isn’t necessarily complex, though there are usually a number of steps which can include:

• Preparation and completing an information pack: This is includes compiling the data needed for a financial information memorandum (both a teaser version and a full IM), management accounts, asset lists, contracts, IP and employee schedules
• Marketing and initial approaches: if using a broker, they will approach a targeted list of buyers under NDA before sharing detailed information
• Non-disclosure agreement (NDA): all parties receiving confidential information sign an NDA before any detailed disclosure
• Initial offers / indicative bids: non-binding at this stage – buyers indicate price, structure, and key conditions
• Shortlisting and management presentations: typically, two to four buyers are shortlisted for management presentations, where the team presents the business and fields detailed questions
• Heads of terms (or letter of intent): a non-binding document capturing the agreed commercial terms – price, structure, timeline, exclusivity period. Critically, the structure of consideration (cash, earnout, loan notes, retained equity) is agreed here; changing it later is difficult
• Due diligence: financial, legal, tax, and commercial due diligence typically takes 6–12 weeks
• Sale and purchase agreement (SPA): the legal document embodying the full transaction; includes warranties (representations about the business) and a disclosure letter (qualifications to those warranties)
• Completion: completing requires a funds transfer, shares or assets transfer, signing and dating of documents
• Post-completion: this stage can involve a combination of earnout periods, locked box adjustments, HMRC notifications, post-sale covenant periods (non-compete, non-solicit)

A realistic timeline that includes all these steps would be 9–18 months for a typical SME transaction. Preparation before appointing advisers can add another 6–12 months. Rushing the process or attempting to compress timelines rarely produces a better outcome.

Share Sale vs Asset Sale

You could also sell your business in a share sale or an asset sale. These involve:

• Share sale: the buyer acquires the shares of the company – buying the whole entity, including all assets, contracts, liabilities (known and unknown), and history. From the seller’s perspective, this is typically more tax-efficient (CGT is owed on the gain, which can potentially be at the BADR rate of 18%). From the buyer’s perspective, they’re taking on historical risk, which typically leads to more extensive warranties and indemnities
• Asset sale: the buyer acquires specific assets (customer lists, equipment, IP, goodwill, contracts) rather than the company itself. The selling company retains any assets not included in the sale and remains responsible for its own liabilities. This method is arguably more favourable for the buyer (they can “step up” the asset values for tax depreciation) and less favourable for the seller, who typically pays tax at the company level (corporation tax on gains) and then again when extracting the proceeds (income tax or CGT on dividend or liquidation).

When comparing these methods, most sellers prefer a share sale, while most buyers prefer an asset sale. The negotiation of this point can be as important as the headline price, and the after-tax proceeds can differ significantly between structures on the same nominal consideration.

The Tax Position – What you’ll owe and what you can do about it

It’s vital to consider the tax implications of selling a business in the UK. Here are some key points to bear in mind:

• BADR (Business Asset Disposal Relief): if the qualifying conditions are met, the first £1 million of qualifying gain is taxed at 18% rather than 24%, a maximum saving of £60,000 on a full £1 million qualifying gain. Review BADR eligibility at least 12 months before the planned sale date, as the two-year qualifying period cannot be retrospectively satisfied
• CGT on amounts above the BADR limit: gains above £1 million are taxed at 24% (or 18% where within the basic rate band). For example, a business sold for £5 million with a base cost of £1 million, the gain is £4 million. £1 million at 18% (£180k) and £3 million at 24% (£720k) = total CGT of £900,000 on a straightforward share sale
• Earnouts: deferred consideration contingent on future performance is generally subject to CGT (not income tax) if structured correctly, but the tax point arises when the right to receive it becomes unconditional, not when the cash is received. Planning the structure of an earnout in advance of the transaction is therefore important.
• Pre-sale pension contributions: employer contributions to the business owner’s pension before the sale can reduce company profits and the tax base, potentially saving corporation tax (at 25% for profits above £250k) while also building the post-sale retirement fund. To avoid HMRC scrutiny, it’s a good idea to seek advice on the timing and amount of these contributions.
• Investing the proceeds post-sale: the period between completion and reinvestment of the proceeds is when the tax planning opportunity is greatest. A financial planner can model the optimal allocation across pensions, ISAs, and investment portfolios to minimise future tax drag on the invested capital

What happens after the sale?

Completion is often the point at which an owner becomes a private investor for the first time, managing a sum far larger than before. The risks here are real: cash sitting idle, rushed reinvestment, and spending habits that haven’t caught up with the fact that business income has stopped.

A plan built before completion, covering ISA subscriptions (£20,000 per person per year in the completion tax year), pension contributions, EIS/SEIS opportunities, and a considered investment strategy – means the proceeds start working from day one rather than months later.

What would “day one” look like for you?

In summary

Selling a business in the UK is a long process, not a single event, and the decisions made 12–24 months beforehand usually shape the outcome more than anything in the transaction itself. Understanding your exit routes, protecting your reliefs, preparing your financials, and knowing how proceeds will be deployed all take advance planning. A financial planner’s job isn’t to run the sale, it’s to make sure the outcome actually delivers what you were building toward all along.

If you’re thinking about how to sell my business and want the financial planning in place well before a process begins, get in touch with First Wealth we’d be glad to help you.

This document is marketing material for a retail audience and does not constitute advice or recommendations. Past performance is not a guide to future performance and may not be repeated. The value of investments and the income from them may go down as well as up and investors may not get back the amount originally invested.