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Key figures

Founded in 1981
250 employees
6 offices (Paris, Lyon, Lille, Nantes, Brussels, Lausanne)
A turnover of 38 million euros in 2010
A regular growth for 30 years
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Oresys, an independent company

An independent firm

Founded in 1981, ORESYS is an independent consultancy firm managed by Yves Salomon, Nicolas Garin and Patrick Leluc for over 25 years.The firm is 100% owned by its partners, all of whom are active consultants

A strong identity

ORESYS is one of today's foremost specialists in management consultancy. The firm assists private and public sector companies in managing their activity; achieving business changes and improving all aspects of performance in terms of strategy, organization, process, information systems and human resources

Our vocation

Helping companies and their leaders to manage their business, improve their performance and carry out their transformation programs. What makes us unique and adds value is that we form a harmonious whole in terms of process, organization, information systems and change management. Competence is the cornerstone of our success. Our consultants are experts in fields such as business management, strategy, organization, processes, information systems and human resources.

The first consultancy firm to be certified

Oresys received ISO 9001 certification for the first time in 1995. This has been renewed every year. Our assignments systematically include a commitment to results.