Share & Shareholder Valuation
Share and Shareholder Valuation for UK Private Companies
Independent, defensible valuations for buy-outs, transfers, section 994 disputes, divorce, probate and HMRC submissions. Written, signed, evidenced. Senior-led.
Bottom line up front
A share in a UK private company is not a fraction of the company's enterprise value. It is an asset whose worth depends on the standard of value applied, the rights attached to the holding, the marketability of the block and the purpose for which the valuation is being prepared. The single largest source of disputed value in private company share valuations is not the underlying multiple; it is the combined treatment of the discount for lack of control and the discount for lack of marketability, which together can move the answer by 30% to 50%. A report that does not evidence those discounts line by line will not survive contact with a sophisticated counter-party, HMRC's Shares and Assets Valuation team or the court.
Valuing a share in a UK private company is more like valuing a stake in a privately owned ship than valuing a parcel of listed equities. The ship has a hull value, an engine, a cargo manifest and a sailing schedule, but a 30% interest in the ship cannot be sold tomorrow morning at the click of a button. The buyer who eventually emerges will pay less than 30% of the whole-ship valuation because they are inheriting a captain they did not choose, a crew they did not hire and a voyage already in progress. That gap, between pro-rata enterprise value and the price a real buyer will actually pay for a real minority block, is what share and shareholder valuation work is for.
We are instructed in six recurring situations. Shareholder buy-outs under pre-emption clauses or shareholders' agreements. Inter-shareholder share transfers, including gifts and family arrangements. Section 994 unfair prejudice petitions and other shareholder disputes. Divorce proceedings in the Family Division. Probate and inheritance tax submissions to HMRC. New share issues, EMI options, growth shares and external investment rounds. Each engagement requires a different standard of value, a different evidence base and a different style of writing, and the report has to be built so a third party. A judge, an expert, an HMRC inspector. Can follow the working without our help.

The four standards of value and when each applies
Market value is the price the shares would change hands at between a hypothetical willing buyer and a hypothetical willing seller, neither under compulsion, both with reasonable knowledge. This is the standard for all HMRC submissions, including probate, IHT, capital gains, EMI valuations and gift transfers. Market value applies the full minority and marketability discounts where the holding warrants them.
Fair value in the Companies Act sense is the standard the court applies in section 994 unfair prejudice petitions and in many shareholders' agreement buy-outs. Fair value typically excludes the minority discount on the rationale that the petitioner is being forced out involuntarily and should not be punished with a discount the majority would not accept on a whole-company sale. Whether DLOM also falls away is fact-specific.
Fair value in the family law sense, applied by the Family Division in divorce proceedings, similarly tends to strip out the minority discount and often the marketability discount, on the principle that the matrimonial asset is the underlying economic interest. The court is also concerned with the realistic post-tax cash the holding could deliver, so the report has to model the equity bridge and tax consequences alongside the headline value.
Investment value reflects what a specific identified buyer would pay given their own synergies, financing and strategy. This is rarely the right standard for a contested transaction but can be relevant in strategic transfer pricing, joint venture exits and pre-emption disputes where a specific third-party offer is on the table.
The mechanics. How a defensible share valuation is built
Step one. Enterprise value of the company as a whole. We triangulate across three methods: a normalised EBITDA multiple cross-referenced to recent comparable private-company transactions in the same sub-sector, a discounted cash flow over a five-year explicit period with a long-term growth rate and an exit multiple, and an asset-based check where the balance sheet is property- or working-capital-heavy. The conclusion is a range, with a central point and a documented rationale for sitting where we sit within it.
Step two. Equity value of the company as a whole. We bridge from enterprise value to equity value by deducting net interest-bearing debt and debt-like items, adding surplus cash, normalising working capital to the steady-state level a buyer would assume, and accounting for any preferred share, loan note or director's loan structures sitting between the trading operation and the ordinary shareholders.
Step three. Pro-rata value of the specific shareholding. We multiply total equity value by the percentage held, adjusted for any class rights (preferred, deferred, growth, alphabet shares with restricted dividend rights) that move the holder's economic interest away from a straight headline percentage.
Step four. Discount for lack of control. We assess the rights attached to the holding under the articles and any shareholders' agreement, the dividend history, the realistic prospect of a future sale, and the empirical evidence on control premia in comparable UK transactions. DLOC is documented as a single percentage with a one-paragraph evidence note per factor considered.
Step five. Discount for lack of marketability. We apply a DLOM informed by restricted-stock and pre-IPO studies, adjusted for the specific liquidity profile of the holding. A minority block with a clear three-year route to exit attracts a lower DLOM than a perpetual minority in a family company with no exit plan. DLOM is applied sequentially to the post-DLOC value, not added to DLOC.
Step six. Sensitivity and equity bridge to net proceeds. Where the purpose requires it, we model the tax position of the holder (BADR availability, EMI gain, gift relief, business property relief) so the reader can see the headline value, the gross to the seller and the net cash in hand on the same page.

The 18-month execution blueprint
Where time permits, a structured 18-month preparation programme will materially improve the position of a shareholder facing a buy-out, a dispute, a divorce timetable or a planned exit. The blueprint below sets out the workstreams in the order they pay back, with the typical impact on the ultimate valuation outcome.
| Window | Workstream | Typical impact |
|---|---|---|
| Months 1–2 | Baseline indicative valuation of the whole company and the specific shareholding. Identify the standard of value relevant to the likely scenario. | Establishes the negotiating floor and ceiling. £0 cost to the shareholder. |
| Months 2–4 | Articles and shareholders' agreement review. Pre-emption mechanics, drag and tag rights, reserved matters, defined valuation formulae. | Often surfaces a contractual mechanism that defines or constrains the answer. |
| Months 3–6 | Normalisation of company EBITDA. Owner remuneration restated, related-party items unwound, one-offs evidenced. Documented add-back schedule. | +8% to +25% on adjusted EBITDA, fully multiplied at completion. |
| Months 6–10 | Structural risk reduction at company level. Customer concentration, contract base, management depth. Improves the underlying multiple range. | 0.3 to 1.0 turns of EBITDA multiple uplift on the whole-company valuation. |
| Months 8–12 | DLOC and DLOM evidence file. Documented holder rights, dividend history, exit route, comparable transaction evidence. | Typically narrows the combined effective discount by 5 to 15 percentage points. |
| Months 12–15 | Tax structure review. BADR position per holder, business property relief, gift relief, EMI valuation refresh where relevant. | Improves net-of-tax proceeds by 4% to 10% of headline value. |
| Months 15–18 | Engagement letter scoping for the formal report. Single joint expert vs party-appointed, valuation date, defined questions. | Locks the process for a defensible report ready for transaction, court or HMRC. |
Anonymised case study. A South West manufacturing buy-out
Drawing on our aggregate UK transaction data, a representative engagement. A founder-led precision components manufacturer in the South West, £9.2m turnover, normalised EBITDA £1.15m, two original founder-shareholders aged 61 and 64 each holding 40%, with the remaining 20% held by the operations director who had joined eight years previously and had been promised an exit route at retirement.
The operations director gave notice that he wanted to retire within twelve months and asked the company to acquire his 20% holding under the pre-emption mechanism in the shareholders' agreement. The agreement specified fair value to be determined by an independent expert if the parties could not agree. The founders' opening position, based on a back-of-envelope calculation, was £368,000 (20% of an assumed £1.84m equity value). The director's opening position, based on advice from a generalist accountant, was £920,000 (20% of an assumed £4.6m equity value with no discounts applied).
We were appointed on a single joint expert basis. The whole-company analysis triangulated to an equity value of £5.4m using a 5.0x EBITDA multiple on £1.15m normalised EBITDA, net of £350k of debt-like items. Pro-rata 20% was therefore £1.08m. The shareholders' agreement defined fair value as the standard, which under the case law tradition meant excluding the minority discount but allowing a marketability discount given the absence of any planned exit. We applied a 22% DLOM evidenced against restricted-stock studies and the specific liquidity profile of the holding. The final valuation was £842,000.
The buy-out completed at the assessed figure within ten weeks of report issue, structured as £450,000 cash on completion and £392,000 deferred consideration over three years at 6% interest, secured against the company's debtor book. The founders avoided a contested expert determination that would have cost both sides £40,000 to £60,000 in legal and expert fees alone. The director received a price he could not have achieved without independent intervention. The company's debt service capacity comfortably absorbed the deferred element.
Reports that survive scrutiny
A share valuation report from BusinessValuation.co.uk runs to between thirty and fifty pages depending on complexity and contains seven mandatory sections. Engagement scope and standard of value. Enterprise valuation methodology with triangulation evidence. Equity bridge from enterprise to total equity value. Pro-rata calculation for the specific holding. DLOC analysis with documented rights and evidence. DLOM analysis with empirical reference. Conclusion, sensitivity and Part 35 or HMRC declaration where applicable. The substance is the same whether the purpose is a contested dispute, a court direction or a tax submission: clear methodology, clear evidence, clear conclusion.

Independence and fixed fees
Every share valuation we deliver is conducted on a fixed-fee basis agreed before substantive work begins. We do not act on contingency, we do not take commission from buyers, brokers or lenders, and we do not act for both sides of an adversarial process without explicit informed consent and a single joint expert engagement letter. That structural independence is what makes the report useful when the stakes are real, and the stakes in a buy-out, a dispute, a divorce or an HMRC review are almost always real. Tony Vaughan personally leads every share valuation engagement; the supporting analytical work is done by his direct team, not subcontracted. The same name that signs the report is the same name that takes the call when the report is challenged.
Share and shareholder valuation FAQ
Common questions from UK shareholders, company directors, solicitors and family practitioners.
What standard of value applies to a UK private company share valuation?
It depends entirely on the purpose. Tax submissions use market value as defined in section 272 of the Taxation of Chargeable Gains Act 1992, which assumes a hypothetical willing buyer and seller dealing at arm's length with all available information. Companies Act section 994 unfair prejudice petitions use a fair value standard, which usually excludes the minority discount and sometimes the marketability discount. Family court proceedings use a fair value basis as at the relevant valuation date, generally excluding any discount that punishes the non-departing spouse. Shareholders' agreement buy-outs use whatever the agreement says, often a defined formula or a fair value determination. Apply the wrong standard and the entire report falls over at the first challenge.
How does the minority discount actually work?
Discount for lack of control reflects the inability of a minority holder to direct dividend policy, set strategy, force a sale or remove a director. Empirical evidence from UK and international transaction studies points to a typical range of 10% to 35%, depending on the rights attached to the shareholding. A 49% block with negative control over reserved matters attracts a smaller discount than a 5% holding with no protective rights. A 25%-plus block carrying a statutory blocking right at general meeting sits in the middle. The report must evidence the discount applied with reference to the articles of association, any shareholders' agreement and the specific rights of the holding in question.
How does the discount for lack of marketability interact with the minority discount?
DLOM reflects the absence of a liquid secondary market for private company shares. Even a controlling shareholder cannot convert paper value to cash overnight. Empirical evidence from restricted-stock studies and pre-IPO studies puts DLOM in a range of 10% to 40%, with most UK SME minority holdings landing between 15% and 30%. DLOC and DLOM are applied sequentially, not additively. A 30% DLOC followed by a 25% DLOM gives a combined effective discount of 47.5%, not 55%. Reports that add the percentages directly inflate the discount and concede value the holder should never have lost.
Can the same valuer act for both sides in a private buy-out?
Yes, on a single joint expert basis, with the explicit informed consent of both parties recorded in the engagement letter. SJE appointments are faster and cheaper than competing expert reports and are the default in family court matters under CPR Part 35. Both parties owe the expert co-operation and both receive the same report at the same time. The expert's duty is to the parties jointly, not to either individually. Where the parties prefer competing reports, we are equally comfortable acting for one side on a party-appointed basis, with the report written to the same evidential standard.
How are shares valued in a divorce in England and Wales?
The court typically directs a single joint expert valuation under CPR Part 35 with a defined valuation date, a defined basis and a defined set of questions. The valuation addresses gross fair value of the shareholding, the realistic net-of-tax cash that could be extracted on a sale or buy-out today, and the liquidity profile of the holding. A paper value the resident spouse cannot convert into cash is treated very differently from an asset that can be sold. The report runs to a Part 35 declaration of duty, expert declaration and statement of truth, and the expert may be cross-examined at the final hearing.
How are shares valued for probate and inheritance tax?
HMRC requires market value as at the date of death on the section 272 basis. The valuation is submitted on form IHT400 supporting schedules and is reviewed by HMRC's Shares and Assets Valuation team in Nottingham. SAV will challenge unevidenced multiples, unjustified discounts and inconsistent treatment of related-party items. Business property relief at 100% or 50% may apply to qualifying trading company shares, and the relief is calculated on the agreed market value, so getting the underlying number right materially affects the inheritance tax bill. We routinely act on probate valuations both for executors and, where needed, in negotiation with SAV.
How long does a share valuation take and what does it cost?
Standard turnaround is two to four weeks from receipt of complete information for most UK private company share valuations. Court-directed single joint expert reports are usually scoped to the court timetable, often six to eight weeks with a defined question list. Fees are fixed at engagement, agreed on the basis of company size, complexity and the standard of value required. The fee for a defensible share valuation report is almost always a small fraction of the value swing it protects against in a real negotiation, dispute or HMRC review.
Get an independent share valuation you can stand behind
Confidential conversation with Tony Vaughan. Fixed fees. HMRC, court and dispute-ready.
