Consulting | Training | Individual Support
Transformation is a challenge Let’s tackle it together
Paris • Nantes • Lyon • Toulouse
expertise
Comprehensive support,
from strategy to sustainable results
Consulting
Listening to your challenges and working on the ground, we co-create a tailored transformation driven by you teams’ vision, expertise, and commitment.
Training
We design and deliver training programs that support your transformations. Goal: spark insight, encourage action, and evolve mindsets and behaviors.
Individual Operational Support
In the workplace, our support programs help embed behaviors and practices deeply into your company culture.
Your transformation project is unique. Our approach adapts to your challenges, culture, and realities on the ground. By combining consulting, training, and individual operational support, we turn your ambitions into concrete actions, results, and lasting behaviors.
Quaternaire
Why should you choose Quaternaire ?
Because transformation is a collective challenge, we team up with you to meet it.
For 40 years, we’ve helped leaders and their teams balance economic performance, customer satisfaction, human engagement, and sustainable impact.
- Recognized experience with the Syntec Gold Award for “Organizational Transformation.”
- Deep conviction in balanced performance and the impact of management.
- A team of experienced specialists, equipped with practical knowledge, our clients’ #1 satisfaction factor.
- Financial stability and governance ensuring the long-term reliability of our support.
At Quaternaire, every transformation becomes a collective victory. Let’s win it together.
98 %
of our clients recommend us
40 years
of experience in industry and services
4 x
Great Place to Work® certified
Client Testimonials
Together, we have turned their ambitions into lasting results
Success stories
Continuous improvement, cement of Knauf Group
To maintain its position as a benchmark for customer satisfaction, the Knauf Group is engaging its 250 plants in a drive for operational excellence.
Success stories
At Crédit Agricole Sud Méditerranée, collaboration is at the heart ot the business plan
From building the vision to operational implementation, discover the collaborative approach of Crédit Agricole Sud Méditerranée in developing its new corporate project.
Videos
Adisseo: Industrial Performance Program Director for Europe’s testimony
Stéphane Chalut-Natal, Industrial Performance Program Director for Europe, explains Adisseo’s industrial performance project.
Clients
They trust us
Leading players in industry and services trust us to turn strategy into action and achieve sustainable results.
News & Publications
Our Latest Content
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Success stories
Onduline France transforms its customer service
Onduline France optimizes its processes and reorganizes its customer service for greater customer satisfaction. A look back at a collaborative project carried out with its employees.
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Success stories
Alsachimie: Putting “behaviors and attitudes” at the heart of the strategy
Alsachimie, a leader in the chemical industry, places behaviors and attitudes at the core of its strategy through an innovative framework, derived from the company’s values and shared with all its employees.
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Videos
Elivia: HR Deputy Director’s testimony
Catherine Chalumeau, HR Deputy Director, discusses the “Management by Elivia” project, intended to establish a lasting managerial culture
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Videos
Ima Protect: Deputy Director’s testimony
Jean-Pierre Deleplanque, Deputy Director, discusses the transformation project underway at Ima Protect, aiming to improve processes, organization and management skills
Carreers
Join us !
Joining Quaternaire means choosing to make an impact. It means contributing, no matter your role, to transforming the businesses of tomorrow while developing your own talents, within an engaged, supportive team driven by results and challenges.
