Sellsy Email Format
Software DevelopmentNouvelle-aquitaine, France51-200 Employees
Sellsy provides an integrated software platform that merges customer relationship management, invoicing, and pre-accounting to support everyday business management and client interactions. The tool is designed as a collaborative environment that helps marketing, sales, and administrative teams work together more effectively. Based in La Rochelle, Nouvelle-Aquitaine, France, Sellsy was founded in 2009 by Frédéric Coulais and Alain Mevellec. The company serves around 22,000 customers and operates with a mid-sized team focused on delivering its solutions. In 2025, Sellsy was acquired by TeamSystem S.p.A., expanding its footprint in France and Spain.