As a management consulting company, Quaternaire has been supporting companies in France and abroad for over 30 years in the sustainable improvement of their Economic, Customer and Social Performance.

In France and Maghreb, PwC develops consulting, auditing and legal expertise missions, with the strategic ambition of contributing to the reconciliation of business, economy and society.

Insight Sourcing is the premier firm in North America exclusively focused on strategic sourcing, cost optimization and procurement operations transformation. SpendHQ originated within ISG before becoming independent.

BY.O, the international consulting firm, helps you strengthen relationships with your partners, suppliers and customers. 

Accenture is a leading global professional services company providing a range of strategy, consulting, digital, technology & operations services and solutions.