About Us

Our mission is to serve our clients with scientifically-sound, cost-effective, and timely approaches to environmental assessment and regulatory compliance.

We achieve our mission through…


We believe research integrity and success are best achieved by coupling sound science with a quality assurance approach.


We employ an interdisciplinary problem-solving approach and commitment to teamwork to achieve on-time performance and regulatory success.


We prioritize clear, accurate, and ongoing communication with our clients, regulatory agencies, and subcontractors.

Our diverse staff of regulatory experts and scientists have professional backgrounds in industry, government, and contract research organizations. Many have held positions similar to those of the clients we serve.

Our Story

CSI was founded in 1988, starting as an office on a boat, moving to an office in the "tide flats" of Tacoma, Washington, adding a UK office in the early 2000s, and ultimately establishing the US headquarters in Lakewood, Washington in the early 2000s.
Click To Discover The Twists & Turns In Our History
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