Blog Series
Buyer Behaviour Analysis
How AI is reshaping the way professional services firms get found, evaluated and chosen.
B2B Buyers Now Run an AI Visibility Audit Before Contacting You. Most Firms Fail.
TL;DR
47% of enterprise buyers now start vendor evaluation inside an AI assistant, shortlisting from what comes back, yet AI recommends only 1.2% of businesses in professional services queries. Firms absent from those shortlists lose deals they never knew were live, because 95% of buyers choose from their day-one shortlist. AI builds recommendations from third-party citation density and review presence, and AI-referred visitors convert at 4.4x organic.
47% of enterprise tech buyers now start their vendor evaluation inside an AI assistant rather than a search engine (6sense, 2026). They enter a category or firm name into ChatGPT, Perplexity, or Google AI Mode, and they make shortlist decisions based on what comes back. That process is an informal AI visibility audit. Most UK professional services firms fail it before the first enquiry is ever sent.
"Our competitors show up in ChatGPT but we don't" is one of the most common problem statements UK B2B firms report in 2026 (National Law Review, 2026). Buyers are already selecting. They complete 70% of their purchasing journey before speaking to any vendor (Forrester, 2024). A growing proportion starts that journey inside an AI platform, not on a search engine or a supplier's website.
How Buyers Run the AI Audit
Buyers searching in AI platforms are not looking for your website. They test whether the model has formed a view of your firm at all. ChatGPT, Perplexity, and Google AI Mode draw on third-party citations, review signals, and entity recognition data to generate recommendations (McKinsey, 2025; Gartner, 2025). Your website SEO ranking carries little weight in that process. ChatGPT frequently cites content that does not rank in Google's top results, so page-one Google rankings don't ensure your firm appears in AI-generated shortlists.
AI search platforms recommend only a small fraction of businesses in professional services queries (National Law Review, 2026). UK B2B buyers adopt AI search faster than consumers. The buyers most likely to be your clients are the most likely to be running this audit, and if your brand is not appearing in AI answers, they cut your firm before a conversation starts.
What the Audit Reveals About Your Visibility Gap
When a buyer searches "best accountants in Birmingham" or "top HR consultants in Manchester" in ChatGPT and your firm doesn't appear, they build their shortlist without you. No buyer sends an enquiry. Your CRM stays empty. Website sessions hold steady. Nothing in your dashboards captures what happened.
Standard metrics track form fills, website sessions, and MQL conversion rates (HubSpot, 2025; Forrester, 2024). None of them capture AI-mediated evaluations that buyers run days or weeks before any contact is made. 95% of buyers who complete a purchase choose from their Day One shortlist (6sense, 2025). Firms absent from that AI-generated shortlist lose deals they never knew were in play.
AI-referred visitors convert at materially higher rates than traditional organic traffic. Those buyers arrive having already evaluated your firm in AI and formed a positive view. Firms that pass the AI visibility audit capture that traffic. Those that fail it don't see any.
How AI Platforms Decide Who to Recommend
AI systems build their recommendations from third-party citation density, review platform presence, and entity recognition strength (Pew Research Center, 2025). Firms cited across several review platforms receive materially more ChatGPT citations per query than firms on a single platform.
LinkedIn is among the most cited sources in AI search responses, so LinkedIn activity helps determine whether buyers find your firm through AI platforms. Brands cited by LLMs also tend to see a lift in organic click-through rates compared to uncited competitors. Firms visible in AI attract more organic clicks; those clicks feed back into AI citation signals. Firms absent from both miss the compounding effect.
B2B buyers in the UK use LinkedIn to verify AI recommendations (Edelman, 2025). When ChatGPT recommends a firm and a buyer checks on LinkedIn, a thin or inactive profile removes your firm from their shortlist. Buyers now run a multi-step AI visibility audit that crosses platforms before they contact anyone.
The Consequence of Failing the Audit
Run an AI visibility audit of your own firm: search for the services you provide from a buyer's perspective in ChatGPT and Perplexity. If you don't appear, buyers running the same searches aren't finding you either. That gap between where AI places your firm and where buyers expect to find you is your pipeline gap.
94% of B2B buyers use LLMs during purchasing research (6sense, 2026). Analysts project strong growth in the GEO services market over the coming decade. Businesses are catching up with a buyer research behaviour shift that started months ago.
Sales teams reviewing quarterly reports see declining enquiry volumes from shortlists buyers built weeks earlier in AI searches. The firms that invest in AI visibility now, through multi-platform citation building, LinkedIn authority, and consistent third-party coverage, build citation positions that grow over time. Waiting makes entry harder with every month that passes.
Want to see how your firm performs in AI search?
Run your free AI Discoverability Score to find out whether buyers can find you in ChatGPT, Perplexity, and Google AI Mode, or book a free Growth Assessment to review your full AI visibility position.
References
- 6sense (2025) B2B Buyer Experience Report. Available at: 6sense.com.
- 6sense (2026) B2B Buying Behaviour and AI Adoption Study. Available at: 6sense.com.
- Edelman (2025) 2025 B2B Thought Leadership Impact Report. Available at: edelman.com.
- Forrester (2024) The B2B Buying Journey. Available at: forrester.com.
- Gartner (2025) The B2B Buying Journey. Available at: gartner.com.
- HubSpot (2025) State of Marketing Report 2025. Available at: hubspot.com.
- McKinsey & Company (2025) The New Rules of B2B Buying. Available at: mckinsey.com.
- National Law Review (2026) AI Recommends Only a Fraction of Businesses for Professional Services Queries. Available at: natlawreview.com.
- Pew Research Center (2025) How Americans Use Generative AI Tools. Available at: pewresearch.org.
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