Created in February 2020 by Stéphane Ghenassia, Planctonid Environnement is a Startup specialized in the production of microalgae. Stéphane and SmartFood Paris provide an update on disruptive technology in this article, the foundation of this company. This project was born from a meeting with Cristian Gomis Catala, marine biologist and creator of the first microalgual plants of global importance.