Since 1994, Gabriela and Mathieu Sismann have built a reputation as leaders in the international market for ancient sculpture, becoming reference figures for both private collectors and professionals in this niche field.

Galerie Sismann is a unique and now essential venue, entirely dedicated without distinction to European sculpture from the Middle Ages and the Renaissance to the Classical and Baroque periods, up to the end of the 18th century. It is particularly distinguished by its ability to bring to light forgotten masterpieces of ancient sculpture from the art market or private collections.

Internationally recognized for its expertise in the field, Galerie Sismann assists both private and institutional clients with acquisition and sale, advisory and valuation, as well as the expertise and appraisal of sculptures dating from the 12th to the 18th century.