GZA is an employee-owned consulting firm providing geotechnical, environmental, water, ecological, and construction management services to a wide array of private and public clients. Our mission is to be the premier provider of practical and innovative solutions to the 21st century challenges of the natural and built environments for the benefit of our clients, employees, shareholders, and society.
GZA employs more than 550 engineers, scientists, construction managers and support staff in 28 offices in the New England, Mid-Atlantic, Appalachian and Great Lakes Regions. We focus on clients in the architecture and engineering, contracting, governmental, industrial, infrastructure, institutional, oil and gas, power and real estate client sectors. The firm is consistently ranked among the top 100 firms on Engineering News Record's (ENR) annual list of the top 200 Environmental firms - ranking 91st in 2016.