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Company Valuation UK: Methods, Legal Issues & Tips

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Written by Brad Askew Solicitor (non-practising)
Brad is on the roll of solicitors of England & Wales but does not hold a practising certificate and does not provide legal advice.
Updated June 2026 · England & Wales
Putting a figure on a business is rarely as simple as looking at last year's accounts. Whether you are planning a sale, buying out a co-owner, settling a shareholder dispute, raising investment, or meeting an HMRC requirement, the value you arrive at needs to hold up to scrutiny. Valuation draws on financial data, market conditions, the nature of the assets involved, and the reason the valuation is being carried out in the first place. This guide walks through the main methods used in the UK, the legal and commercial factors that move the needle, and the practical issues that often trip people up. It is written for business owners, directors, and shareholders who want to understand what sits behind a valuation figure before they rely on one.

Overview

A company valuation is an assessment of what a business is worth at a particular point in time, based on a chosen methodology and a defined purpose. The same company can genuinely have different values depending on who is asking and why.

A valuation prepared for a share sale between willing parties may look very different from one prepared for a divorce settlement, a probate return, or a shareholder dispute under section 994 of the Companies Act 2006. In the UK, valuations are used for a wide range of purposes: selling or buying a business, issuing or transferring shares, employee share schemes, tax filings with HMRC, loan security, insurance, litigation, and succession planning.

There is no single 'correct' number. What matters is that the approach is appropriate to the purpose, the assumptions are clearly stated, and the figure is supported by evidence. A defensible valuation explains its reasoning, not just its result.

Key steps

  1. Clarify the purpose of the valuation. Before choosing a method, be clear on why the valuation is being done. A sale, a tax return, a shareholder exit, and a divorce each call for different assumptions about willing buyers, minority discounts, and timing. The purpose also shapes whether the figure needs to be formally reported or is simply for internal planning.
  2. Gather the financial and commercial evidence. Pull together at least three years of accounts, management information, forecasts, key contracts, lease terms, intellectual property records, employee data, and details of any debt or contingent liabilities. Buyers and advisers will test the numbers against the underlying documents, so the quality of your records has a direct effect on credibility and ultimately on value.
  3. Select an appropriate valuation method. Common approaches include earnings multiples (such as a P/E or EBITDA multiple), discounted cash flow, asset-based valuation, and entry-cost analysis. Many valuers use more than one method as a cross-check. The right choice depends on the sector, the stability of earnings, the weight of tangible assets, and whether the business is a going concern.
  4. Adjust for the specifics of the business. Headline figures are rarely used raw. Valuers normalise earnings to strip out one-off costs, owner remuneration above market rate, and non-recurring income. Adjustments also reflect customer concentration, key-person risk, pending litigation, regulatory exposure, and the transferability of contracts. These adjustments often matter more than the method itself.
  5. Document the reasoning and test it against the market. A valuation that cannot be explained is a valuation that will not hold up in negotiation, tax enquiry, or court. Record the assumptions, the comparables used, the discounts applied, and the reasons for each. Where possible, sanity-check the outcome against recent transactions in your sector and be ready to defend the figure on its merits.

Common questions

If you're dealing with this kind of situation, a call with an experienced legal adviser can help you work out the right next step — from £89.

Common questions

Q Which valuation method is best for a small UK company?
For most owner-managed businesses with steady profits, an earnings multiple approach (often based on adjusted EBITDA or profit before tax) is the starting point. Asset-heavy businesses such as property companies may be better valued on a net asset basis. Early-stage or loss-making companies often rely on discounted cash flow or comparable transactions. In practice, using two methods as a cross-check is common.
Q Do I need a formal valuation to sell my business?
There is no legal requirement to obtain a formal valuation before selling. Price is ultimately what a willing buyer will pay. That said, going to market without a considered view of value usually weakens your negotiating position. A structured valuation helps you set expectations, justify your asking price, and respond to buyer due diligence with confidence.
Q How does HMRC value shares for tax purposes?
HMRC applies a 'market value' test for many tax purposes, broadly the price shares would fetch between a willing buyer and willing seller on the open market. Minority shareholdings in private companies are typically valued with a discount to reflect lack of control and limited marketability. Shares and Assets Valuation at HMRC handles many of these cases, and specialist input is usually sensible.
Q What is goodwill and how is it valued?
Goodwill is the part of a business's value that sits above its identifiable net assets, reflecting things like reputation, customer relationships, brand, and recurring revenue. It is generally measured by reference to sustainable earnings rather than as a standalone figure. Personal goodwill tied to a departing owner may not transfer with the sale, which can reduce the price a buyer is willing to pay.
Q How do minority shareholder disputes affect valuation?
In unfair prejudice petitions under section 994 of the Companies Act 2006, the court often orders the majority to buy out the minority. The valuation date, whether a minority discount applies, and how the conduct complained of has affected value are all contested issues. These cases usually require an independent expert and can produce figures quite different from a straightforward market valuation.
Q Can I value my business myself?
You can produce an internal estimate using published multiples and your own accounts, and this is a useful starting point. However, self-prepared valuations rarely carry weight with buyers, lenders, HMRC, or courts. For any situation where the figure will be relied on by a third party, an independent valuer with sector experience is usually worth the cost.
Q How long does a company valuation take?
A straightforward valuation of a small, stable business can be completed in a few weeks once the financial information is available. More complex cases involving multiple entities, international operations, intellectual property, or contested ownership can take considerably longer. The main bottleneck is almost always the quality and completeness of the underlying records.
If you're dealing with this kind of situation, a call with an experienced legal adviser can help you work out the right next step — from £89.

Sources

This guide is based on primary UK law and official guidance.

Brad Askew, Solicitor (non-practising)

Written & reviewed by

Brad Askew Solicitor (non-practising)

Brad is on the roll of solicitors of England & Wales but does not hold a practising certificate and does not provide legal advice. LegalDocuments.co.uk is not a law firm and does not provide regulated legal advice.

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Legal disclaimer
This article is for general information only. It is a tool to help you find your way — not legal advice, and not a substitute for speaking to a qualified adviser about your situation.