Carmen March began her career collaborating with fashion brands such as Duyos & Paniagua and Javier Larrainzar. In 2004, she founded her signature label and made her solo debut at Gaudí runway and two years later, at the former Cibeles catwalk.
In 2009 she opened her own flagship store in Madrid with her first prêt-à-porter collections and accessories. In September 2009 she presents her collections at New York Fashion Week, participating in the collective project "4 Eyes".[:]