In 2004, he and producer Jay Van Hoy founded Parts & Labor, a production company dedicated to director-driven, collaborative filmmaking.
Parts & Labor has produced more than 20 films including The Witch, American Honey, Ain't Them Bodies Saints, and Beginners.
In 2016, after 15 years, Lars Knudsen and producing partner Jay Van Hoy decide to part ways.
The two producers produced acclaimed films like Frank & Lola, The Witch, and American Honey and help bring their stories to life for directors like Andrea Arnold or Robert Eggers.
Lars Knudsen and director Ari Aster announced on June 2019 the launch of their new production company, Square Peg.