Klarsen is a data-driven marketing agency with its headquarters in Bordeaux,... Klarsen is a data-driven marketing agency with its headquarters in Bordeaux, France, providing services both domestically and on an international scale. Established in 1995, the firm specializes in executing comprehensive marketing campaigns across a diverse range of communication channels, including SMS, email, telephone, mobile platforms, and postal mail. The company was previously known as Groupe Actiplay SA.
