Grette Associates is an environmental consulting firm with offices based in Gig Harbor and Wenatchee, Washington, that provides natural resources support for construction, permitting, and planning projects throughout the Pacific Northwest.

We work closely with clients from the public and private sectors, providing them with professional expertise to help navigate environmental regulations in Washington, Oregon and Idaho. Our work covers a diverse range of ecosystems, from Puget Sound to the Columbia River Gorge, supporting in-water construction, wetland management, land-use planning and habitat remediation.