Law Firm Goodwill Valuation: How a Solicitor's Practice Is Valued

Goodwill is almost always the largest single asset when a solicitor's practice changes hands, and it is the part of the price that is hardest to pin down. Whether you are planning retirement, weighing a merger, or bringing in a successor, the question that decides the headline number is simple to ask and hard to answer: what is the goodwill worth? This guide explains how law firm goodwill is actually valued, what drives the multiple up or down, and how large a share of the price it typically represents. The tax treatment is covered at a high level here, with a link to the dedicated tax page for the detail.

Goodwill is the intangible value that sits above a firm's tangible assets: the client relationships, the reputation, the recurring work, and the practice's proven ability to keep generating profit after the current owners step back. Because it is intangible, valuing it is an exercise in judgement supported by numbers, not a line you can read off the balance sheet.

What goodwill means in a law firm

Law firm goodwill is built from a handful of components, and a buyer values each of them through one lens: how much of this survives a change of ownership?

• Client relationships and transferability. The central question. Clients tied to the firm, to a brand, or to a documented institutional relationship transfer well. Clients tied personally to a retiring senior partner are the single biggest valuation risk, because they may follow that individual out of the door.
• Recurring and repeat work. Annual retainers, ongoing corporate or commercial instructions, and panel appointments are worth far more than one-off transactional matters. A practice where, say, 70% of fees are recurring commands a higher multiple than one living on ad hoc instructions.
• Reputation and referral networks. Standing in a practice area or a local market, and the referral relationships that come with it, supports future fee flow. A well-regarded specialist in a defined niche carries recognition a buyer can rely on.
• Depth of fee-earners below the owner. Profit that is generated by a team, with systems and supervision, is more durable than profit that walks out when one principal retires. Owner reliance is the most common reason a multiple is marked down.

How goodwill is valued: the two main methods

In practice, two earnings-led methods do most of the work, and a careful buyer cross-checks one against the other. A third, asset-based method acts as a floor.

1. Multiple of normalised profit or EBITDA

This is the method most buyers lead with, because it values the thing they are actually buying: maintainable future profit. You start from the firm's accounting profit and normalise it, which means adjusting it to show what the business genuinely earns on a sustainable basis. The key adjustments are:

• Replace owners' drawings with a market-rate salary. In a partnership or LLP the partners take profit, not a wage, so you deduct a realistic salary for the fee-earning and management work they actually do. What is left is the true return to ownership.
• Strip out one-off and non-recurring items. Exceptional costs, personal expenses run through the firm, and abnormal one-year spikes or dips are removed so the figure reflects a normal year.
• Adjust for anything that will not continue under new ownership. For example, a related-party rent that is above or below market, or a cost the buyer will not inherit.

The normalised figure (often expressed as EBITDA, earnings before interest, tax, depreciation and amortisation) is then multiplied by a factor. Typical multiples run from around 1.5 to 4 times normalised net profit or EBITDA, expressed as a range because where a firm lands depends entirely on the quality factors below.

Worked illustration (anonymised, figures rounded): a two-partner commercial practice shows £400k accounting profit. After deducting market-rate salaries for the two working partners and removing one-off costs, normalised EBITDA settles at around £180k. With strong recurring corporate clients and a team of associates carrying much of the work, a buyer might apply a multiple toward the upper part of the range. The same £180k in an owner-dependent practice with transactional, one-off work would attract a multiple near the bottom. Same earnings, very different goodwill, because the durability of the profit is different.

2. Multiple of gross recurring fees

This quicker approach applies a multiplier to annual gross recurring fee income. It is useful as a sense-check and is common for smaller practices. Multiples here typically range from around 0.3 to 1.2 times gross fees, again as a range rather than a fixed rate. The fee multiple is a proxy: it implicitly assumes a normal profit margin, so a buyer will still want to see the profit picture before relying on it. Where a firm runs an unusually high or low margin, the profit method gives the truer answer and the fee method is used only to corroborate it.

3. Asset-based valuation (the floor)

This method values the identifiable tangible and intangible assets and largely ignores future-profit goodwill. It is mostly relevant to distressed sales, wind-downs, or practices that genuinely have little transferable goodwill. For a healthy ongoing firm it sets a floor, not the price.

What drives the multiple up or down

The valuation method gives you a framework; the quality factors decide where in the range the practice actually sits. The same headline earnings can support a multiple at the top or the bottom of the range depending on the answers to these questions.

Client retention and how the work is held

Transferability of clients is the dominant factor. Practices with institutional clients, formal retainers and documented relationships sit high; practices dependent on individual loyalties to a departing principal sit low. Evidence of client retention over three to five years, and a retention rate above roughly 80% a year, is the kind of proof a buyer will pay for.

Practice area and market position

Some practice areas attract higher multiples because the work is stickier and the barriers are higher. Recurring commercial and corporate work, with ongoing client relationships, generally outranks pure one-off litigation on the multiple. A genuine niche specialism (for example a defined regulatory or sector practice) can warrant a premium despite a smaller client base, because competition is limited and the work recurs.

Owner reliance and team depth

The more the profit depends on one or two principals personally, the lower the multiple, because that profit is at risk the day they leave. A firm with capable fee-earners, delegated client relationships and real supervision sells the durability of its earnings, not just their size.

Consistency of financial performance

Three to five years of steady, well-documented profit supports a higher multiple. Declining or erratic profit, lumpy transaction-driven income, or heavy reliance on a single large client all introduce uncertainty, and buyers price uncertainty as a discount.

How much of the price is goodwill?

On a typical law firm sale, goodwill is the largest single component of the price, because a practice's worth is overwhelmingly its clients, reputation and recurring work rather than its physical kit. Tangible fixed assets (furniture, IT, fit-out) are usually modest by comparison.

Two other elements are settled alongside goodwill but on their own terms. Work in progress and debtors are treated as income, not capital, so the sale agreement should split them out clearly from goodwill and deal with them separately (see our guides on how WIP is treated on a law firm sale and the WIP valuation method for UK firms). Because a partnership or LLP has no shares, its sale is an asset sale rather than a share sale, with the buyer acquiring goodwill, WIP, debtors and fixed assets and the outgoing partners' capital accounts settled in the deal.

Tax treatment: the high-level position

Goodwill is a capital asset, so when a partner or member sells it the gain is charged to Capital Gains Tax, not income tax. That is a fundamentally different (and usually more favourable) treatment than the work in progress and debtors, which are taxed as income.

Business Asset Disposal Relief (BADR) can reduce the CGT on qualifying gains, up to a £1 million lifetime limit per individual, provided the conditions are met over the two-year period to disposal. The relief was formerly called Entrepreneurs' Relief, but do not rely on the old headline rate: the BADR rate is 14% for disposals from 6 April 2025 to 5 April 2026, and 18% from 6 April 2026 (it was 10% only up to 5 April 2025). Any gain above the £1 million lifetime limit, or any gain that does not qualify for BADR, is taxed at the standard individual CGT rates of 18% (within the basic-rate band) or 24% (above it), with an annual exempt amount of £3,000 for 2025/26. The step up from 14% to 18% on 6 April 2026 makes completion timing a genuine planning point for late-2025/26 sales.

This is the headline only. Partnership and LLP goodwill, section 162 incorporation relief, the buyer-side position, and the interaction with the salaried member rules all carry conditions and traps. For the full treatment, read our dedicated guide on how goodwill is taxed when a law firm is sold.

Practical steps for a defensible valuation

Value early, then act on it

Get a goodwill valuation well before any intended transaction, and refresh it every two to three years for succession planning. An early valuation is not just a number: it is a to-do list. It shows you which of the factors above is holding the multiple down while you still have time to fix it.

Improve what the multiple rewards

The levers that lift goodwill value are the same ones a buyer scrutinises: reduce owner reliance by delegating client relationships to named fee-earners; convert ad hoc clients into documented, recurring arrangements; record retention data so you can prove it; and tidy up the financials so a normalised profit figure is easy to derive. These are operational changes, made over a year or two, that move a firm up its valuation range.

Use a sector-aware valuer for anything material

For a complex or higher-value practice, use a valuer who understands the legal sector, SRA requirements and client-money implications, rather than a generic broker. A defensible, sector-specific valuation stands up better in negotiation and for tax purposes, and a valuer who knows the BADR date bands can help you align completion timing with the tax position.