By Joey N. Friedman, CPA, ABV, M.Acc, MIB — President, Joey Friedman, CPA, P.A.
Quick answer: A law firm is valued with the same three core approaches used for any business — income, market, and asset — but two features set it apart. First, Florida Bar Rule 4-5.4 bars a non-lawyer from owning a law practice or sharing in legal fees, so a firm is transferred through an asset purchase plus an of-counsel or consulting arrangement rather than an outright sale of equity. Second, much of a small firm’s value is personal goodwill tied to one attorney — and Florida courts generally do not treat personal goodwill as a divisible marital asset. A defensible valuation isolates that personal goodwill from the firm’s transferable enterprise value.
A law practice is one of the more nuanced assets a forensic accountant is asked to value. The numbers on the profit-and-loss statement are only the starting point; the rules that govern who may own a firm, and the line Florida draws between an attorney’s personal reputation and the institution he or she built, often matter more to the final conclusion than the raw earnings do. This article explains how a credentialed valuation analyst approaches the assignment and what drives the result.
Why a law firm is valued differently from other businesses
Most businesses can be sold to anyone willing to pay. A law firm cannot. Florida Bar Rule 4-5.4 (“Professional Independence of a Lawyer”) generally prohibits a lawyer from sharing legal fees with a non-lawyer and from practicing law in a firm in which a non-lawyer holds an ownership interest or directs a lawyer’s professional judgment. Unlike a handful of jurisdictions that have piloted alternative business structures, Florida retains the traditional prohibition for for-profit firms.
That single rule reshapes the entire transaction. Because a non-lawyer cannot buy in, the realistic buyer pool is limited to other lawyers or the firm’s own remaining partners, and the deal is typically structured under Rule 4-1.17 (Sale of a Law Practice) as a purchase of assets — client files (with required notice and consent), the firm’s goodwill, work in process, receivables, and furnishings — paired with a transition, of-counsel, or consulting agreement for the departing attorney. A valuation that ignores this constraint, and simply applies a generic “business” multiple, overstates how readily the interest can actually be converted to cash.
The valuation methods — and why the “rule of thumb” is only a sanity check
A common shortcut prices a firm at roughly 0.5 to 1.0 times annual revenue, with published ranges running higher for strong practices. Treat that as a rough reasonableness test, not a conclusion. A revenue rule of thumb ignores profitability, realization and collection rates, practice area, fee model, client concentration, and how dependent the work is on one person — all of which a forensic accountant must evaluate directly.
The substantive work is done with the three standard approaches:
- Income approach. This is usually the primary method for a profitable firm. The central adjustment is normalizing owner compensation: the analyst replaces what the partners actually pay themselves with reasonable market compensation for the legal work they perform, isolating the firm’s true economic profit. That normalized earnings stream is then capitalized or discounted to present value. Reported earnings multiples for law practices vary widely — observed market data spans roughly 0.5 to 3.3 times normalized earnings — because a stable, institutionalized firm and a single-rainmaker shop are very different risks.
- Market approach. Where reliable data exists, the analyst evaluates comparable practice transactions. Law-firm deal data is thin and largely private, so this approach typically corroborates rather than drives the conclusion.
- Asset approach. This matters most for contingency-fee practices, where much of the value sits in the case inventory — work in process and unbilled time on pending matters — together with receivables (adjusted for realistic collection), fixed assets, and the firm’s liabilities.
For a deeper look at the underlying mechanics, see our overview of business valuation methods and the related discussion of valuing a professional-services firm.
Personal vs. enterprise goodwill — the heart of a law-firm valuation
The most contested issue in valuing a small or solo law practice is goodwill, and Florida law draws a sharp line. In Thompson v. Thompson, 576 So. 2d 267 (Fla. 1991) — a case that itself involved a personal-injury and medical-malpractice law firm — the Florida Supreme Court held that goodwill may be treated as a marital asset only to the extent it exists separate and apart from the reputation or continued presence of the individual attorney. Goodwill that depends on the lawyer’s own skills, relationships, and reputation — personal goodwill — is not a divisible marital asset in Florida.
The practical consequence is that a forensic accountant valuing a law practice for a divorce must separate enterprise goodwill (value that would survive the departure of the owner — an established brand, systems, staff, repeat institutional clients, and referral channels not tied to one person) from personal goodwill (value that walks out the door with the attorney). Only the enterprise portion is generally available for equitable distribution. Conflating the two is the single most common way a law-practice valuation is successfully challenged. We address this distinction in detail for divorce matters in personal vs. enterprise goodwill in a Florida divorce, and the same framework applies when we value an accounting practice or any other professional firm.
The situations that call for a law-firm valuation
A credentialed valuation is typically needed in four contexts:
- Partner buyout or withdrawal. When a partner leaves, the buyout often begins with the capital-account balance and adds a goodwill premium. Many partnership and operating agreements specify a formula — for example, a partner’s interest valued as average annual compensation times a stated multiplier times the ownership percentage. The forensic accountant assesses whether that contractual formula reflects fair value or materially departs from it.
- Partnership dispute. When partners disagree on what a departing or expelled member is owed, an independent analysis supports negotiation, mediation, or testimony. See partnership buyouts and disputes.
- Divorce. Florida’s equitable distribution statute reaches the marital portion of a practice — which, under Thompson, means the enterprise (not personal) goodwill plus the firm’s other net assets.
- Death or disability. A buy-sell agreement is usually triggered by death, disability, or withdrawal, and the valuation must follow the standard of value and method that agreement specifies. See business valuations for buy-sell agreements.
Florida specifics that shape the conclusion
Three Florida-specific factors recur in these engagements: the Rule 4-5.4 ownership constraint that limits marketability and dictates deal structure; the Rule 4-1.17 framework for transferring a practice; and the Thompson line of authority governing how professional goodwill is — and is not — divided in a dissolution of marriage. A valuation prepared for a Florida court or a Florida partnership dispute should account for all three, and should clearly state the standard of value (fair market value, fair value, or another standard) the engagement requires, because the answer can change materially depending on which standard applies.
Frequently asked questions
How much is a law firm worth?
There is no single multiple. As a rough check, some practices change hands near 0.5 to 1.0 times annual revenue, but the defensible figure comes from normalizing the firm’s earnings (especially owner compensation) and applying an income or market approach. Observed earnings multiples for law practices range widely — roughly 0.5 to 3.3 times — depending on profitability, practice area, fee model, and how dependent the firm is on one attorney.
Can a non-lawyer buy a law firm in Florida?
Generally, no. Florida Bar Rule 4-5.4 prohibits non-lawyer ownership of a for-profit law practice and fee-sharing with non-lawyers. A practice is transferred to another lawyer or firm under Rule 4-1.17, typically as an asset purchase combined with a transition or of-counsel arrangement, rather than an ordinary sale of equity.
Is a law practice a marital asset in a Florida divorce?
In part. Under Thompson v. Thompson, the firm’s enterprise goodwill and other net assets can be marital property, but the attorney’s personal goodwill — value tied to his or her own reputation and continued work — is not a divisible marital asset. Separating the two is the core of the analysis.
What method is used to value a law firm?
The income approach is usually primary for a profitable firm, built on normalized earnings after adjusting owner compensation to a market level. The market and asset approaches corroborate the result, and the asset approach is especially important for contingency-fee practices where value sits in the pending case inventory.
How do you value a contingency-fee firm?
By analyzing the case inventory — work in process and unbilled time on pending matters — and risk-adjusting it for the probability and timing of recovery, then adding receivables, fixed assets, and any enterprise goodwill, less liabilities. The inherent uncertainty of contingency fees makes a careful, matter-by-matter assessment essential.
Working with a credentialed valuation analyst
Joey Friedman, CPA, P.A. prepares business valuations of law firms and other professional practices for partner buyouts, partnership disputes, divorce, and buy-sell matters throughout Florida and nationally. As an Accredited in Business Valuation (ABV) analyst and forensic accountant, Mr. Friedman determines a supportable conclusion of value, isolates personal from enterprise goodwill, and prepares analysis that withstands scrutiny in negotiation, mediation, and litigation. To discuss a matter, contact the firm.
This article is general information, not legal or accounting advice for a specific matter. Statutes, Bar rules, and case law change; engage a qualified professional for your situation.