Assystem (formerly known as Atem) is a provider of engineering and digital solutions for energy transition. It offers siting and environmental, construction management and commissioning, system design, risk monitoring, compliance, and other services. The company also develops the DeepFinder software for searching and retrieving information from structured and unstructured documents, the Emoby AI system for human resources to source and map skills, the Holoreka augmented reality tool for equipment maintenance and control operations, industrial installation, etc. Assystem caters to the cities and territorial development, renewables, transportation, nuclear, and defense sectors.