Coquatrix was first known as a song and music writer. He wrote over 300 songs, including Mon ange (1940) ; Dans un coin de mon pays (1940);[1] Clopin-clopant (1947); Cheveux dans le vent (1949), as well as some operettas. He was also an impresario, representing Jacques Pills and Lucienne Boyer, among others.
He managed the variety theatre Bobino before he took over the Olympia Hall, Europe's biggest music hall in 1954. In 1956, during a "tomorrow's number 1" audition at the Olympia, Coquatrix, Lucien Morrisse and Eddie Barclay discovered the unknown cabaret singer Dalida.[2] He then staged all the era's celebrities, including Georges Brassens, Jacques Brel, Gilbert Bécaud, Ewa Demarczyk, Johnny Hallyday, Violetta Villas, Édith Piaf, Annie Cordy, Charles Aznavour, Mireille Mathieu and Yves Montand.
Bruno Coquatrix co-founded a record company, the Disques Versailles.
Bruno Coquatrix was the director of the casino of Cabourg (Calvados) in the 1950s, and the mayor of Cabourg from 1971 until his death in 1979.[3][4] His mandate as Mayor of Cabourg was focused on the development of tourism and real estate, and the growth of Cabourg's sister cities (+11 during his mandate).[4]