How to Value a UK Business: Methods, Multiples and Worked Examples

The short version

A UK private trading company is valued by establishing the sustainable earnings a new owner would inherit, applying a multiple that reflects the sector and the risk profile of the specific business, then bridging from enterprise value to equity value by deducting net debt.

Everything difficult about a valuation sits inside those three steps. The arithmetic is trivial. The judgement is not.

> Want a number before you read on? Use the Business Valuation Calculator for an indicative range, then come back to understand what sits behind it.

The three methods, and when each applies

Earnings multiples

For profitable UK trading companies, this is the default and it accounts for the overwhelming majority of completed transactions. Enterprise value equals adjusted EBITDA multiplied by a multiple derived from comparable transactions and listed peers.

Use it when the business is profitable, the earnings base is reasonably stable, and there is observable transaction evidence in the sector. That covers most UK SMEs.

Discounted cash flow

DCF discounts forecast free cash flows to present value using a weighted average cost of capital. It is the right primary method where forecasts are genuinely reliable - long-cycle contracts, signed order books, infrastructure and energy assets - and where a trailing multiple would understate a business growing quickly.

For most UK SMEs, DCF is a cross-check rather than the headline. It is highly sensitive to the terminal value and the discount rate, and a forecast that no third party can verify carries little evidential weight.

Net asset value

NAV establishes the floor. A trading business should be worth at least the realisable value of its assets less liabilities and the cost of an orderly wind-down.

It becomes the primary method for property companies, investment holding companies, asset-heavy businesses with weak earnings, and businesses in distress. It is rarely the headline for a profitable trading company.

Which method wins

A defensible valuation uses two or three methods, cross-checks them, and concludes on a range. Where the methods diverge sharply, the divergence is itself the finding: it usually means the earnings base is unstable, the balance sheet carries value the trade does not use, or the forecast is not supported by the historic record.

Step 1: building adjusted EBITDA

The starting figure is never the statutory profit. It is what the business would earn under a new owner, on a sustainable basis.

The five standard categories of adjustment:

Each adjustment must be evidenced. An unsupported add-back is the first thing a buyer's due diligence team removes, and every pound removed at 6x costs six pounds of headline price. The full mechanics are in EBITDA adjustments.

Step 2: choosing the multiple

Sector sets the band. The specific business decides where inside the band it sits.

The seven factors that move a business within its band:

• Revenue predictability. Contracted and recurring revenue beats project work, consistently.
• Customer concentration. A top customer above 25% of revenue compresses the multiple sharply.
• Growth. Consistent double-digit growth pushes toward the top; flat or declining pushes to the bottom.
• Margin trajectory. Expanding gross margin signals pricing power.
• Owner dependency. If the owner is the relationship, the technical lead and the rainmaker, the business is harder to transfer.
• Scale. Larger EBITDA attracts a wider buyer pool, including private equity, and a higher multiple.
• Consolidator activity. Sectors with active buy-and-build platforms trade above their fundamentals.

Sector detail and the evidence behind these ranges is in UK SME EBITDA multiples 2026.

Step 3: enterprise value to equity value

The multiple gives enterprise value. The seller receives equity value. The gap is the equity bridge, and it routinely moves the final cheque by 5-15%.

• Deduct net debt. Bank borrowings, hire purchase, leases, directors' loans, less cash.
• Deduct debt-like items. Deferred consideration on prior acquisitions, dilapidations provisions, unfunded pension liabilities, overdue tax, accrued but untaken holiday.
• Adjust for working capital. Buyers price on the assumption of a normal level of working capital at completion. A shortfall against the agreed peg comes off the price pound for pound.
• Add surplus assets. Investment property, excess cash beyond operating requirements, non-trading assets.

What counts as debt-like is negotiated, not defined. This is where deals move most after heads of terms are signed. See Net debt and cash-free, debt-free.

Worked example

A UK B2B services company:

• Revenue £4.2m, growing 12% a year
• Statutory profit before tax £480k
• Owner on £60k against a £140k market salary
• Top customer 18% of revenue
• Management team in place under the founder
• Net cash £180k

Adjusted EBITDA:

Multiple: B2B services band is 5x-7x. Customer concentration at 18% pulls down; growth and an in-place management team pull up. Selected range 5.5x-6.5x.

Enterprise value: £2.81m to £3.32m.

Equity value: add net cash of £180k, giving £2.99m to £3.50m, central estimate £3.20m.

A five-year DCF on the company's own forecast lands at £3.18m, inside the range. The conclusion holds.

Why a calculator is not a valuation

A calculator applies your assumptions. A valuation tests them. The five things a buyer, HMRC or an opposing expert will challenge:

1. The add-backs. Every one needs documentary support. Unevidenced adjustments get stripped out.

2. The comparables. A multiple lifted from a broker's marketing material is not evidence. Comparable transactions must be genuinely comparable in size, sector and structure.

3. The forecast. If the valuation leans on growth, the historic record has to support the claim.

4. The debt-like items. Buyers find liabilities sellers had not classified as debt. Each one comes straight off the price.

5. The purpose. A sale value, an EMI value and a probate value are three different numbers for the same company. Using the wrong basis invalidates the whole exercise.

Valuation by purpose

The same business is worth different amounts depending on why the question is being asked:

Two valuers can reach two different numbers for the same company without either being wrong. They may be answering different questions.

FAQ

Related guides

• Business Valuation Calculator - indicative equity value in two minutes
• EBITDA adjustments - how buyers normalise SME accounts
• UK SME EBITDA multiples 2026 - sector benchmarks
• Net debt and cash-free, debt-free - the equity bridge
• How buyers value UK SMEs - the buyer's perspective