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Quaternaire, is a Management Consulting company with more than 30 years experience in the field of sustainable organizational, economical and social performance.

Quaternaire has helped more than 300 companies, from SMEs to large groups, in the industry and services to transform their organization, strengthen their operational management, improve industrial performance and employee well being.

Quaternaire’s employees have voted their company to be certified as “Great Place to Work” in 2018.


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Bruno Séchet
Gérant | Managing Director