Case Study: ENGIE unifies 24 global business units and deploys Office 365 to 120,000+ employees in 6 months with Okta

ENGIE leads the world to a sustainable future Okta plays a critical role

ENGIE, a French energy giant with about 150,000 employees, set out to shift from a centralized model to a distributed structure across 24 geographies while facing intense industry change and constant M&A activity. The IT challenge was to provide a reliable, neutral, future-ready identity and access platform that would connect disparate on-prem Active Directory environments, support cloud and mobile access, and enable fast, secure collaboration for thousands of global and local users on a tight timeline.

ENGIE chose Okta Universal Directory and Single Sign-On to unify 100+ AD domains and streamline onboarding, enabling a global Office 365 rollout to 120,000+ users across 60+ countries in six months. The deployment integrated 40+ applications, consolidated the Global Address List, brought 50,000 field workers online, shortened M&A integration from months to weeks, and reduced app onboarding time—delivering greater agility, simplified security, and a foundation for continued digital transformation.

Engie

Claude Pierre

Chief Information Officer