LeStream Esport (LSE) is the competitive team of the WebTV group LeStream. It has been founded in 2018 and is based in Levallois-Perret, Île-de-France, in the suburbs of Paris.
On February 19th, 2019, LeStream Esport ventured into the Smash scene by signing three top French players : Flow, Ogey, and PeW. LSE later recruited Oryon on October 22nd, 2019, to complete their SSBU roster. On March 31st, 2021, after several months of inactivity, the remaining Ultimate players left the structure following the expiration of their contracts.