Mahey is known for his use of luxurious materials such as brass, mahogany and glass. He has created furniture, lighting and accessories for brands including Hermès, Pierre Cardin and Saks Fifth Avenue. His creations are characterized by clean and elegant lines, with particular attention to details and the quality of materials. Mahey was recognized for his work winning numerous awards, including the prestigious Prix René Gabriel in 1977. Mahey died in 1992, but his designs are still sought after by collectors and design enthusiasts. His contribution to the aesthetics of French design is widely recognized and appreciated.