Paris-headquartered, publicly listed French company building sovereign generative AI and LLM/RAG deployment tools for enterprises.

LightOn is a French generative AI company headquartered in Paris, developing LLMs and RAG tools for enterprise and public-sector customers. In November 2024 it became one of the first generative AI startups in Europe to go public, listing on Euronext Growth Paris.

The company focuses on “sovereign” AI deployments that can run inside a customer’s own cloud or on-premises, targeting regulated sectors like finance, defense, and higher education.

As a company listed in France, LightOn’s ownership and governance are subject to French/EU securities regulation.