Altanis Informatique is a French IT integrator founded in 1996 and headquartered in Marly, in the Moselle department. The firm operates across France, Belgium, and Luxembourg, providing management software solutions and IT infrastructure services to small and mid-sized businesses. Altanis has been an approved Sage partner since its creation, building a long-running practice around Sage management software for the Grand Est region and adjacent cross-border markets. Its services include software distribution and implementation, training, network and infrastructure services, and the supply of associated computer hardware. The firm operates as part of the broader Altanis Groupe and positions itself as a human-sized regional partner combining Sage software expertise with hands-on technical infrastructure delivery for SMEs in eastern France and the Benelux region.