The short answer
- When buyers ask AI who the best firm is for a need in a place, they get a named shortlist — and professional services is exactly the reputation-led category AI is now mediating.
- Referrals still matter, but AI is increasingly the silent second opinion that confirms a referral — or quietly replaces it.
- Category and locality clarity is decisive: AI must understand precisely what you do and where, or it recommends a generalist or a competitor.
- Named partners matter as much as the firm — AI often reasons about people, not just the entity.
Professional services has always run on reputation and referral. That has not stopped — but a new step has quietly inserted itself into how clients choose. When a buyer asks an AI tool who the best firm is for a particular need in a particular place, they get a named shortlist. For a reputation-led, referral-driven category, AI is now either confirming the referral, or quietly replacing it.
How buyers choose a firm now
Historically, a prospective client asked a trusted contact and acted on the name they were given. Today the same client increasingly takes that name and checks it against an AI tool — or skips the contact entirely and asks AI first. Either way, the AI answer is part of the decision. If you are absent from it, or described as a generalist when the buyer wants a specialist, the referral can be undone before you ever hear about it.
The category-and-locality trap
Buyers ask very specific questions: the best employment solicitors in a city, accountants for a particular sector, consultants for a defined problem. AI answers them by matching practice area and location precisely. A firm that describes itself broadly — to seem capable of everything — gives AI nothing sharp to match, and loses to a competitor that is unmistakably the specialist in exactly that thing, in exactly that place.
Referrals still open doors. Increasingly, AI is the second opinion that confirms the referral — or quietly replaces it.
In professional services, AI reasons about people
Reputation in this sector attaches to named partners as much as to the firm. AI builds a view of individuals too — from their authored content, their profiles, the places they are mentioned. A firm that is well-described at the entity level but invisible at partner level is at a disadvantage, because buyers think in terms of who will actually handle the work, and so does AI. The strongest position is a firm whose people and whose practice areas are both legible and consistent.
Why third-party proof decides it
AI leans on what credible, openly-readable sources say about you: sector directories and rankings, reviews, professional bodies, and substantive thought leadership that others can read. A firm with thin or dated third-party presence gives AI no external reason to prefer it, so AI defers to whichever competitor has built that presence. In a category where trust is the product, the corroboration gap is often the whole story.
What to do
The useful first step is to see what AI says when a buyer asks for your practice area in your locality: are you named, in the right specialism, with the right partners surfacing — or is a competitor or a generalist taking the place a referral should have secured? That answer is specific, and it is checkable.