AtkinsRéalis
| AtkinsRéalis | |
| Company type | Public | 
| TSX: ATRL OTC Pink: SNCAF | |
| Industry | Engineering, construction, airports, building services, electrical grids, environmental protection & remediation, hydroelectricity, manufacturing, metallurgy, mining, nuclear power, ports, rail transport, roads, water & wastewater | 
| Founded | 1911 | 
| Founder | Arthur Surveyer | 
| Headquarters | Montreal, Quebec, Canada | 
| Key people | |
| Products | Engineering services, project management, construction, construction management, procurement and operations and maintenance | 
| Revenue | CA$8.6 billion (2023) | 
| CA$287.2 million (2023) | |
| Number of employees | 37000 (2023) | 
| Website | www.atkinsrealis.com | 
AtkinsRéalis Group Inc., formerly known as SNC-Lavalin Group Inc., is a Canadian company based in Montreal that provides engineering, procurement, and construction (EPC) services to various industries, including mining and metallurgy, environment and water, infrastructure, and clean energy. AtkinsRéalis was the largest construction company, by revenue, in Canada, as of 2021.
The firm has approximately 37,000 employees worldwide, with offices in over 50 countries and operations in over 160 countries.