• Sigma
    • Sigma
    • Sigma

    • Via its regional center in Tunis, and through its four offices, SIGMA offers extensive coverage of North Africa countries. SIGMA, since its foundation, has established itself as the leader in North Africa in marketing studies, media and opinion polls. It has occupied this position in the market thanks to the quality of its analyses and its recommendations, the capacity to adapt methodologies according to the knowledge needs of the client and the assigned quality team.