Ex-google search engine startups

Glean is a startup that provides a platform for workplace search and knowledge management, which aligns with the search engine criterion. Additionally, it was founded by former Google employees, including Arvind Jain, Piyush Prahladka, and Tony Gentilcore, who have extensive experience in Google's search and related technologies.

Promoted.ai is a startup that offers a search engine SDK for marketplaces, and several of its employees, including Dan Hill, James Hill, Scott McMaster, and Steven Hill, previously worked at Google.