H Company was announced in 2024 with a seed round of about $220 million. Charles Kantor was a co-founder and CEO, alongside Laurent Sifre, Karl Tuyls, Daan Wierstra and Julien Perolat.
In August 2024 Tuyls, Wierstra and Perolat left the company. Kantor stayed as CEO and Sifre as CTO.
In November 2024 H launched Runner H, an agent platform for tasks done on a computer. In June 2025 Gautier Cloix, formerly head of Palantir France, replaced Kantor as CEO.
In May 2026 Sifre stepped down as CTO to lead the scientific council. H is privately held.