General Info

Leighton is an award-winning engineering consulting firm that provides environmental, geotechnical, and testing and inspection services to both public- and private-sector clients. Utilizing progressive technology and innovative strategies, we work in partnership with our clients to create and maintain a safe environment from the ground down. Our role as a consultant and professional design firm is essential to the construction of sustainable developments for public, commercial, institutional, infrastructure and community development projects. Headquartered in Irvine, Calif., Leighton has nine offices in southern California, staffed with more than 175 professionals. Providing our regional clients with exceptional results is attributed to our workforce of professional geotechnical and civil engineers, professional geologists, certified engineering geologists, hydrogeologists, environmental assessors, and certified field technicians and inspectors. Serving local clients and projects, Leighton operates in major metropolitan areas of Southern California.