Every law firm owner eventually asks some version of the same question: what is my firm worth? The honest answer isn’t a number. It’s a range, and understanding what sets the law firm sale multiple you’ll receive is more valuable than any single estimate. At The Law Practice Exchange (LPE), we’ve been advising law firm transitions for over a decade. We’ve seen firms with identical revenue trade at multiples that are 50–75% apart—not because the market was irrational, but because the value drivers were genuinely different. This piece is about those drivers, not in theory but in practice: what buyers actually look for, what moves your law firm sale multiple, and what you can do about it. How Law Firms Are Actually Valued The most common valuation methods in law firm M&A are SDE (Seller’s Discretionary Earnings) multiples for smaller firms and EBITDA multiples for larger ones. The transition typically happens around $2M–$3M in revenue. That’s when the buyer universe starts to include institutional buyers—PE platforms and MSO operators—who bring professional valuation standards and compete on price. Here are the market ranges we observe in transactions: Revenue Tier Multiple Basis Observed Range Primary Buyer Type Under $500K SDE 1.0x–2.0x SDE Individual buyers, solo practitioners $500K–$1M SDE 1.5x–2.25x SDE Individual buyers, small firm acquirers $1M–$3M SDE / EBITDA 2.0x–3.0x Law firms, individual buyers $3M–$10M EBITDA 3.0x–4.0x EBITDA Law firms, PE-backed acquirers, MSO platforms $10M–$25M EBITDA 3.5x–4.5x EBITDA PE platforms, MSO operators $25M–$50M EBITDA 4.0x–5.0x EBITDA PE / MSO—institutional buyers $50M+ EBITDA 4.5x–5.5x+ EBITDA PE platforms, national acquirers Two things stand out in these ranges. First, a consistent multiple above 3.0x rarely shows up before a firm crosses roughly $3M in revenue. That’s when the buyer universe expands and enterprise goodwill starts to outweigh personal goodwill. Second, multiples near 5.0x or higher are rare below $50M in revenue; they typically require a platform-quality profile. The ranges above are starting points. Where you land within your tier is what we cover below. Pillar 1: Financials, Brand, and Systems These three dimensions are the foundation. Buyers evaluate them before anything else. Weakness here disqualifies a deal. Strength here is simply the price of admission to a premium multiple. Revenue Size and the Buyer Universe Size matters, not because larger firms are inherently better businesses, but because larger firms attract more and better buyers. A $500K revenue firm has a narrow buyer pool. A $5M revenue firm has hundreds of qualified buyers, including PE platforms and MSO operators who drive competitive pricing. Crossing the $3M threshold is where the multiple landscape genuinely changes. EBITDA Margin Buyers pay for cash flow, so margin is fundamental. Firms with EBITDA margins below 15% face meaningful discounts because buyers price in the operational risk. Margins above 22%, especially with an upward trend, signal operational leverage and command premium offers. Brand and Market Position Brand in a law firm context means institutional recognition of the firm as an entity separate from its founding attorney. Does the community know the firm, or do they know you? Firms with institutional brand presence—dominant in their geography or practice area—land meaningfully higher multiples than firms where all the brand equity lives in the founder. Systems and Infrastructure Sophisticated buyers ask one operational question above all others: can this firm run without the founder? The answer reveals the depth of enterprise goodwill, and it shows up directly in the offer. Documented workflows and technology-driven case management matter. So do trained staff and a CRM that holds relationship history at the firm level. Together, they signal that what buyers are acquiring will keep functioning after closing. The firms that consistently land top-of-range multiples made deliberate investments in enterprise infrastructure three to five years before the transaction. Those same investments also made the firm more valuable and easier to run in the meantime. Pillar 2: Owner Dependence, Revenue Consistency, and Organic Growth If Pillar 1 answers “what have you built,” Pillar 2 answers “will it keep working without you.” Every dimension here measures revenue continuity after closing, which is what buyers in law firm M&A care about most. Owner Dependence This is the variable sellers underestimate most, and buyers evaluate most carefully. When a founding attorney generates 70%+ of originations, the buyer is effectively purchasing a transition period and a non-compete, not a sustainable enterprise. A Seller Transition Plan can bridge this gap at closing. But sophisticated buyers still price the risk that the plan won’t work, especially if the firm’s enterprise infrastructure isn’t already in place. The discount for high owner-dependence is systematic and significant. Revenue Consistency and Predictability A three-year upward revenue trend is worth more than a single strong year. Cyclical firms face meaningful discounts because buyers financing acquisitions need predictable debt service. Recurring or retainer-based revenue commands a premium, even when total revenue is comparable to more variable practices. Organic Growth Buyers pay for the future, not the past. A firm showing 8–10%+ annual organic growth, without a proportional increase in overhead, signals both market demand and operational leverage. That combination is rare in professional services, and it commands premium pricing when it exists. Pillar 3: Margin Health, Efficiency, and Platform Positioning Pillar 3 separates good businesses from great acquisition targets. These factors matter most for $3M+ revenue firms, and they grow more important as deal size approaches institutional buyer territory. Margin Health and CAPEX EBITDA margin above 22% signals strong free cash flow generation. CAPEX burden—the share of EBITDA that capital expenditures consume—matters because buyers rely on cash flow for debt service. High-CAPEX practices face multiple discounts compared to asset-light firms. Platform vs. Add-On Positioning This distinction matters most in PE and MSO transactions. A platform-quality firm is one a PE buyer can use as the anchor of a rollup strategy. It has the management depth, geographic presence, and infrastructure to serve as the foundation for multiple add-on acquisitions. Platform firms command multiples 20–40% above add-on multiples in the same revenue tier. What makes a firm platform-quality: Multiple locations or a