With other Montreal merchants, he also invested in the fur trade and took part in fur trading expeditions. In 1765, with Montreal merchant Pierre Foretier, he purchased a large part of the seigneury of Île-Bizard and the sub-fief of Closse, later selling his share to Foretier.
With other Montreal merchants, he invested in the fur trade and participated in expeditions. In 1765, with Pierre Foretier, a fellow Montreal merchant, he acquired substantial land holdings, including parts of the seigneury of Île-Bizard and the sub-fief of Closse, which he later sold to Foretier.