Brantech is a specialist in technology applied to the exclusively digital communication of brands. It bought from Fimalac, Marc Ladreit de Lacharrière's group, the company Jellyfish.

The latter is one of the world leaders in digital marketing with customers such as Uber, eBay, Disney or Spotify. Since its creation in 2015, Brantech Group has raised 500 million euros. The group, unlisted, claims to post organic growth of "more than 30%" over the last four years.