Sancy Expertise Paris is an expertise firm created in January 2022 by three recognized experts in their fields: Drew Battaglia, expert in jewelry and precious stones, Maxime Charron, expert in objects of vertu and Florian Doux, expert in silver, to whom adds Nicolas Amsellem, consultant for watches of collection. Located in the heart of the Drouot district in Paris, the « cabinet » carries out its expertise for auctioneers, individuals, brokers and traders, insurers or even banks, for the purpose of auctions, estates, inventories, shares or private sales.

In addition to the broad spectrum of specialities making Sancy Expertise Paris a unique firm in France for the expertise of objects and precious metals, the primary qualities of each of its members are discretion, competence, availability and knowledge of the market and of its actors. This allows each appraised object to be authenticated, valued and, in the case of an auction, to obtain the best price, such as during the record sale of a 20.52 carat diamond sold for €838,200 on April 7, 2022 at Fraysse & Associates, one of the firm's partners with Coutau-Bégarie & Associates, Pierre Bergé & Associates, Chativesle maison de ventes, Doma Enchères, Castafiore, Maison R&C et Art Research Paris.