About ESA

We’re an environmental science and planning firm of more than 350 professionals in 15 offices across the Western United States and Florida. We specialize in all aspects of project planning, environmental analysis and assessment, and regulatory compliance.

For more than four decades we’ve guided integrated decision-making, developing innovative and workable solutions that inform development and restoration projects based on sound science, policy, and planning.

We value and foster client partnerships—with federal, state and local agencies, private developers, municipal utilities, and the public—and work to provide meaningful and enduring solutions and products that raise industry standards.

With multiple offices nationwide and diverse technical specialties, we are large enough to deliver a full range of services—from planning and analysis to permitting and monitoring. Yet, we are small enough to foster meaningful partnerships and develop a solid understanding of the unique needs of each of our clients.

From award-winning multi-year projects to specialized studies, our clients entrust us with their projects and challenges because we deliver.