[2][3] Ultimate, a small outfit owned by brothers Jean-Baptiste and Matthieu Lahaye, also partnered Tech 1 for their LMP2 efforts in the ELMS in 2021 and the FIA World Endurance Championship in 2022.

In 2005, Tech 1 joined the newly formed Eurocup Mégane Trophy, with Matthieu Lahaye and Simon Abadie finishing ninth and tenth respectively in the championship.

2006 saw Tech 1 Racing join the World Series by Renault championship with drivers Jérôme d'Ambrosio and Ryo Fukuda.

In 2007 the team fielded former British Formula 3 champion Álvaro Parente and Frenchman Julien Jousse.

Parente took two victories during the season (at Monaco and Spa-Francorchamps) to claim the title ahead of Ben Hanley, with Jousse finishing in tenth position.