Ai Search
Where ChatGPT Gets Your Local Business Data
ChatGPT gets local business data from three places: the web pages it trained on, a live search index it queries when it browses, and structured sources like business directories, maps listings, and review platforms. For a local business, that means your own website, your profiles on third-party sites, and whatever other people have published about you are the raw material ChatGPT assembles into an answer.
There is no single database ChatGPT reads from. It stitches an answer together from several sources of different ages and reliability. Understanding which source it used for a given answer tells you exactly what to fix when the answer is wrong, thin, or points at a competitor instead of you.
Two modes: training memory and live retrieval
The most important thing to understand is that ChatGPT has two separate ways of knowing about your business, and they behave differently.
The base model answers from training memory. That memory is a frozen snapshot of the web taken before a knowledge cutoff. If your business opened, moved, rebranded, or changed hours after that snapshot, the base model does not know. It will either give outdated details or make a confident guess.
The second mode is live retrieval. When ChatGPT search is active, the model issues a query to a backing search index, fetches current pages, reads them, and writes its answer from what it just found. This is the mode that can show a clickable source next to your name. If you want ChatGPT to reflect current, correct data, live retrieval is the path that gets you there, and it only works if the page carrying your data is crawlable and clear.
The sources ChatGPT actually pulls from
When ChatGPT assembles a local answer, these are the sources in play, roughly in order of how much weight a well-structured site can earn:
Notice how much of this list is off your own website. You cannot edit a Reddit thread or a competitor's roundup post. What you can do is make your own site the cleanest, most complete, most quotable source on the topic, so the model reaches for it first.
Citation versus mention
These two words get used interchangeably, and they are not the same thing.
A citation is a linked source shown with the answer. It credits a specific URL and, when a reader clicks it, sends a visit to that page. A mention is your business name appearing in the answer text with no link behind it. Both are visibility. Only the citation sends a click and clearly signals that the model grounded part of its answer on your page.
When people ask how to show up in ChatGPT, they usually mean the citation. Earning it is less about volume and more about being the page that most directly and cleanly answers the exact question a user asked.
What makes a page citable
Where an llms.txt file fits in
An llms.txt file is a plain text file published at the root of your domain, at yourdomain.com/llms.txt. Each line points a language model to a canonical page you want it to read, in a stripped-down, link-first format with none of the navigation and markup clutter of a normal web page.
The honest version: llms.txt is an emerging convention, not a universal standard, and not every crawler honors it yet. It does not override crawlability or structured data, and it is not a shortcut to a citation. What it does is make your most important pages easy to find and easy to read for the retrievers that do respect it. Treat it as one clean signal among several, not a magic file. We cover how it works and when it helps on the Ninetyfifth Marketing llms.txt page.
How to control what ChatGPT knows about you
You cannot log into ChatGPT and edit your record. There is no dashboard for that. The only durable lever is the data it reads, so the work is upstream: own the canonical source, keep your entity data consistent everywhere it appears, and keep the crawlers that feed the index unblocked.
That is the method, in plain terms. Make your website the clearest answer to the questions buyers actually ask. Keep your name, location, and services identical across every profile so the model never has to resolve a conflict. Structure the page so a machine can parse it without guessing. Then make sure nothing in your technical setup quietly blocks the crawlers from reading any of it.
This is exactly the work Ninetyfifth Marketing does, and it is the reason we only run SEO and AI search optimization on sites we build. We need control of the source to do the job honestly, which is why the custom website is part of the engagement rather than an add-on. The commercial model and initial term are published on the SEO pricing page, and the broader approach lives on the SEO service page. We do not promise a ranking or a citation, because no one can. We control the inputs ChatGPT reads, and we make them as strong as the evidence allows.
Questions
Where does ChatGPT get local business data?
From three places at once: the web pages it trained on, a live search index it queries when it browses, and structured sources like business directories, maps listings, and review platforms. For a local business, that means your own website, your profiles on third-party sites, and whatever other people have published about you. There is no single database behind the answer, so the only durable fix is to strengthen the sources it reads.
Does ChatGPT use Google to find local businesses?
Not directly. ChatGPT's live search is powered by its own backing index rather than Google's, so ranking well on Google does not automatically mean ChatGPT will cite you. The two systems read overlapping sources, but you should treat ChatGPT visibility as its own problem, not a free byproduct of Google rankings.
Why does ChatGPT have my business details wrong?
Usually because it answered from training memory, a frozen snapshot that predates your change, or because it pulled from an outdated third-party listing. Fix it by making the correct details obvious on your own crawlable website and consistent across your directory and review profiles. Over time, live retrieval and the next training snapshot pick up the corrected source.
Can I submit my business directly to ChatGPT?
No. There is no form, dashboard, or paid listing that injects your data into ChatGPT. The only way in is the data it reads from the open web, which is why the work focuses on your website, your structured data, and your profiles on the sites it trusts.
Does an llms.txt file guarantee ChatGPT will read my site?
No. llms.txt is an emerging convention that some retrievers respect and others ignore, and it does not override basic crawlability or strong structured content. It helps point compliant tools at your best pages, but it is one signal among several, not a guarantee.
