Nearly half of consumers now ask AI tools to find local businesses. We reviewed five independent evidence bases to find out what actually determines which businesses get named. The answer sits largely outside the website.
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When someone asks an AI "who is the best plumber near me" or "how much does a loft conversion cost in Manchester", what actually determines which businesses get named? Our audit methodology historically treated local signals and AI signals as two separate checklists. We wanted to know whether that separation still reflects how the AI surfaces work.
We triangulated four independent primary evidence bases plus Google's own developer documentation: Whitespark's 540-query study of AI Overview prevalence in local search across six industries; Whitespark's 2026 Local Search Ranking Factors survey of 47 expert practitioners; BrightLocal's 2026 Local Consumer Review Survey of AI adoption for local discovery; Ahrefs' 300,000-keyword click-through study; and Google's Grounding with Google Maps documentation, which describes the actual mechanism connecting Gemini answers to business data. We kept a vendor-incentive ledger for every source and required non-aligned corroboration before any claim drove a conclusion.
Local AI visibility is not a website property. It is a layered system in which the Google Business Profile and review layer carries the most controllable weight, Google's AI is wired directly to that layer via Maps grounding, and query intent decides which surface answers. We restructured our own audit to score local AI visibility as its own connected dimension as a result.
Whitespark's manual study of 540 local-business queries found AI Overviews on roughly 68% of local-business-type queries on average, but the average hides the real pattern. Queries with clear local intent ("emergency plumber near me") still return a traditional local pack about 93% of the time, with AI Overviews on only about 15%. Queries with informational intent ("how do I stop a tap dripping") trigger an AI Overview about 92% of the time. Hybrid, money-on-the-line queries ("cost of hiring a personal injury lawyer in Houston") are the most AI-saturated of all at roughly 97%.
AI Overviews and the local pack have an inverse relationship by query intent. A local business does not face one AI battleground but two: the Maps/GBP layer for "near me" intent, and answer-ready content for the informational and hybrid queries where AI Overviews dominate.
Those percentages come from a US study run in May 2025 across three cities, so we treat the exact figures as directional rather than UK gospel. The intent mechanism, however, matches Google's own product behaviour and has held stable across follow-up studies.
The 2026 Local Search Ranking Factors survey, the longest-running instrument in the field, puts the weighting like this:
| Signal group | Estimated local pack weight | Controllable? |
|---|---|---|
| Google Business Profile signals | ~32% | Yes, fully |
| Review signals | ~20% (up from ~16% in 2023) | Yes, with process |
| On-page SEO | ~19% | Yes, fully |
| Link signals | ~15% | Partly |
| Behavioural signals | ~9% | Indirectly |
Proximity to the searcher accounts for roughly 55% of the raw ranking decision but is uncontrollable: you cannot move your business closer to every customer. Strip proximity out and the picture is clear: more than half of the controllable weight sits in the GBP and review layer, off the website. Within GBP, the top individual levers are primary category selection and the business title, followed by completeness of services, attributes and photos.
BrightLocal's 2026 Local Consumer Review Survey found that 45% of consumers used an AI tool to find a local business in the past year, up from 6% the year before. That makes AI the third-biggest local discovery channel, behind only Google (which itself fell from 83% to 71%) and Facebook. ChatGPT was used for business recommendations by 31% of consumers, Google AI Mode by 23%.
The strategically vital detail: 88% of AI users still fact-check the AI's recommendation against reviews. An AI mention gets you considered; your review profile still closes or loses the job. Reviews are now doing double duty, feeding both the AI's grounding data and the human's final decision.
This is the mechanism that makes the rest cohere, and it comes from Google's own documentation rather than any SEO vendor. Grounding with Google Maps is generally available in the Gemini API: when a query has local context, the model's answer is grounded on real-world data from over 250 million businesses and places. Google Maps is also rolling out "Ask Maps", conversational AI search over business information, review content and profile data.
Google's guidance for that surface is explicit: businesses with complete profile attributes, specific service descriptions and detailed reviews are more likely to surface than thin profiles. The Google Business Profile is not a legacy local-SEO artefact. It is the data source Google's generative answers are wired to for local intent.
Ahrefs' study of 300,000 keywords measured an average 34.5% drop in click-through rate when an AI Overview is present. For the informational and hybrid local queries where AI Overviews dominate, being the source the AI names is rapidly replacing being the top blue link. Combined with Finding 1, the practical picture is stark: local-intent queries route through Maps and GBP, informational queries route through AI Overviews, and neither rewards a business that has optimised its website while neglecting its data layer.
Our free AI Visibility Snapshot now includes the local layer: your business profile, reviews and entity signals, checked against the evidence above. One clear page, within 24 hours.
Get My Free Snapshot →Part of the AI Visible Research: Our Findings series. We publish the evidence behind our audit methodology, including a vendor-incentive ledger for every source. Questions or challenges to the method are welcome via our enquiry form.