AI assistants draw on two broad sources. First, the training data their underlying models were built on, which gives them a general memory of well-known brands and topics. Second, live retrieval: many AI answers are produced by searching the web at the moment the question is asked, then quoting or paraphrasing the pages that best answer it.
The practical implication is that AI visibility is partly a publishing problem. If clear, accurate, crawlable information about your company exists in the places these systems read, you can be cited. If it does not, the engine will either recommend a competitor or repeat whatever it can find, including outdated or wrong information.
Nothing here guarantees a mention. AI systems change frequently, and no honest provider can promise citations or rankings. What you can control is whether accurate, citable material about your company exists and is easy for machines to read.