What is a professional practice worth?
A professional practice is typically valued off its recurring, normalized earnings, weighted heavily by how likely clients are to stay once the founder steps back, since the asset is the relationship and the fee base rather than equipment or inventory, and a low-retention or founder-dependent book is priced accordingly.
Valuing a professional practice trips up owners who compare themselves to a product business. There is no inventory to count, often little in the way of hard assets, and the thing generating the revenue — the client relationships — is exactly the part a sale puts most at risk. A high-revenue practice with fragile client relationships can be worth less than a smaller one with a loyal, diversified client base.
Earnings, normalized for one owner’s time and pay
As with other owner-operated businesses, buyers price a practice off normalized earnings — profit after adjusting for the owner’s actual compensation, personal expenses run through the business, and one-off items — rather than off top-line billings. Two practices with similar revenue can carry very different value once you account for how the owner was actually compensating themselves and how efficiently the practice runs without them.
Why goodwill dominates the value
In most practice sales, the purchase price is attributed overwhelmingly to goodwill rather than to physical assets, because there simply is not much else on the balance sheet — some office equipment, maybe a modest amount of work-in-progress, and otherwise the value sits entirely in the relationships and reputation being sold. This matters for more than semantics: how goodwill is priced, how it is treated on each party’s tax return, and how confident a lender is lending against something intangible all flow from this starting point, and it is worth understanding before you get attached to a specific number.
Retention is the number that matters most
How many clients are realistically expected to stay through and after a change in ownership is arguably the single biggest driver of value in a practice sale. A book where clients have strong, personal loyalty to the founder specifically — rather than to the firm, the team or the process — is a riskier asset for a buyer, and buyers and lenders both discount for that risk, often by structuring part of the price as an earn-out tied to actual retention rather than paying it all up front.
Client concentration cuts value fast
A practice where a small number of clients represent a large share of billings is inherently riskier than one with a broad, diversified base, because losing even one relationship during a transition can meaningfully damage revenue. Buyers will ask for a breakdown of billings by client, and a concentrated book — even a large one — is typically priced more cautiously than a smaller, well-diversified one.
- Normalized earnings after realistic owner compensation
- Client retention history and how personally the relationships run to the founder
- Concentration — how much of billings sit with the top few clients
- Recurring versus one-off engagement mix
- Depth of the team and how founder-dependent day-to-day work is
Work-in-progress is its own conversation
Many professional practices carry unbilled work-in-progress — time or services already delivered to clients but not yet invoiced — and this is usually treated as a separate item from the goodwill value of the practice itself, similar in spirit to how a retailer’s inventory is priced apart from the business. Get clear, early, on how work-in-progress will be counted, valued and paid for at closing, and who is responsible for completing and billing work that was already underway on the handover date. Leaving this vague is a common source of disputes after a practice sale closes.
Recurring revenue is worth more than project revenue
A practice built on recurring engagements — ongoing accounting, retained legal work, subscription-style advisory relationships — is generally viewed as more valuable than one built on one-off projects, because recurring revenue is more predictable for a buyer stepping into the business and easier for a lender to underwrite. A practice with a healthy mix leans on that recurring base as its foundation when the story is told to a buyer.
The buyer sitting across the table changes the number
A practice sold to another established professional in the same field, who already has staff and systems to absorb the client base, is often valued differently than one sold to a first-time buyer who needs the seller’s ongoing support just to keep the doors open. Larger consolidators and multi-practice groups have also become active buyers in some professional sectors, and they sometimes price differently again, weighing standardization and integration into an existing platform alongside the practice’s own numbers. Know who is realistically likely to be bidding on your practice before you anchor on a single expected outcome.
Multiples in this sector are discussed as a range, not a formula
General industry commentary discusses professional-services valuation multiples as a range that moves with the factors above — retention, concentration, recurring mix, team depth — rather than a fixed formula applied uniformly across practices. Treat any multiple you hear as a starting conversation about risk, not a number you can plug in without adjustment for your own practice’s specifics.
Sources
Every requirement and figure referenced in this guide traces to a primary source. Links were last confirmed on the dates shown.
- 01Canada Revenue AgencyGovernmentSelling a business
- 02Treadstone AssociatesAdvisoryProfessional Practice Owners
- 03Treadstone LawLegal commentaryHow Much Is a Small Business Worth? Valuation Basics for Ontario Buyers
- 04Treadstone LawLegal commentaryHow Goodwill Is Taxed When You Sell a Business in Ontario
Deavo is an advertising and listings platform, not a brokerage, law firm or valuation firm. This page is general information, not legal, tax, accounting or valuation advice, and rules differ by province. Confirm anything you rely on with a qualified professional before you act on it.