Beginning with the creation of feminine silhouettes, notably dresses and blouses, his first pieces saw success among Paris’ boutiques and abroad.

The press developed an increased interest in his creations as they became more elaborate and began to constitute collections of coordinates in Italian silks and exclusive prints, fine wools and English tweeds and flannels.

[3] Léo Marciano was granted the "Couture" label by the French Ministry of Industry and Commerce, and became established in the luxury market.

In Paris, Léo Marciano became the couturier of choice of women in politics; abroad, he dressed women in power notably Margaret Thatcher and Empress Farah Diba, as well as Princess Caroline de Monaco and a number of actresses such as the star of Orfeu Negro, Marpessa Dawn[5] and Anny Duperey.

[6] He collaborated with renowned photographers such as Guy Bourdin, Peter Knapp, Sam Levin, and Jean-Loup Sieff for the creation of the label’s look books and ad campaigns.

Léo Marciano was the first European couturier to do business directly with Japan without having to go through the local intermediaries that controlled imports at the time.