Assystem is an international engineering and digital services company with a focus on accelerating the energy transition. We are a global leader in nuclear engineering and project management, particularly known for their work in complex infrastructure projects. In India, Assystem operates through our subsidiary, Assystem in India, which was formed after acquiring Stup Consultants in 2021 and also includes L&T Infrastructure Engineering Limited. We  offer services in energy (including nuclear, grids, renewables, and hydrogen), transportation (metros, railways, aviation, roads), and infrastructure (urban planning, bridges, water development). 

Key aspects of Assystem:

• Energy Transition: A core mission is to accelerate the transition to a sustainable energy future, with a strong emphasis on nuclear energy. 


• Nuclear Expertise: Assystem is a top 3 nuclear engineering company globally. 


• Engineering & Project Management: They provide a range of services including design, construction supervision, commissioning, and operation of complex infrastructure. 


• Digital Transformation: Assystem helps clients with their digital transformation, developing new solutions for performance and faster project delivery. 


• Presence in India: Assystem has a significant presence in India, supporting various sectors like energy, transportation, and infrastructure. 


• Acquisition of STUP: The acquisition of STUP Consultants in 2021 significantly expanded their footprint and capabilities in India. 


• Employee Base: They employ over 7,000 people globally