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Company Profile


GZA is a professional services engineering and consulting firm focused on geotechnical, environmental, water, ecological, and construction management services. With a staff of interrelated professionals dedicated to providing high-level expertise on complex projects above, below and at ground-level, GZA’s experts provide seamless integration across practice areas, client type, and location. GZA employs more than 6600 engineers, scientists, and technical support staff in 31 offices throughout the United States that cater to clients in the architecture and engineering, contracting, governmental, industrial, infrastructure, institutional, legal, oil and gas, power, and real estate industries. The firm is consistently ranked among the top 100 firms on Engineering News Record’s (ENR) annual list of the top 200 environmental firms. Excelling as a multi-disciplinary, multi-office firm of proactive, bright, and dedicated people, we provide value to our clients and our profession.





Service Category:

Air Monitoring and Testing

Air Pollution Control

Asbestos Abatement

Biological Assessments and Surveys


Brownfields Redevelopment

Carbon Footprint Assessment

Civil Engineering

Climate Change and Adaptation

Construction and Demolition

Drilling Services

Ecological Risk Assessment

EH&S Compliance

Emergency Response Contractors

Energy Efficiency

Energy Facility Permitting/Siting/Development

Energy Production & Transmission Services

Environmental Contracting

Environmental Due Diligence

Environmental Engineering

Environmental Impact Statements

Environmental Management Systems

Equipment and Instrumentation


Geotechnical Engineering

Government Agency

Government Contractor

Hazardous Materials

Hazardous Waste Consulting

Human Health Risk Assessment


Hydropower Services

Indoor Air Quality

Industrial Hygiene

Laboratory/Testing Services

Land Surveying

Land Use Planning

Landscape Architecture

Low Impact Development

MEPA Specialist

Mold Testing and Abatement

Natural Resources Consulting

Noise Consulting

Nuclear Energy Services

PCB Disposal

Permitting and Regulatory Compliance

Pollution Prevention and Control

Renewable Energy Consulting

Risk Management

Site Assessment

Site Decommissioning

Site Remediation

Soil Analysis

Solid Waste Management

Stormwater Management

Sustainable Development

Transportation Services

Wastewater Management

Water Quality

Water Resource Management

Wetlands Management

Wind Power Services