Streum On Studio is a French video game development company based in Paris.

Streum On Studio was founded in 2007 by Jonathan Cacherat, Pierrick Le Nestour and Christophe Longuépée.

Prior to starting the company, the team had worked on a mod for Half-Life named "Syndicate Black Ops".

[2] The company then partnered with Games Workshop and Focus Home Interactive to release Space Hulk: Deathwing.

The studio continued its collaboration with Games Workshop and released Necromunda: Hired Gun in June 2021.