About Us

Established in 1990, Ridolfi is an award-winning, small, woman-owned business that specializes in environmental engineering and scientific consulting. We thrive on assisting our clients improve environmental quality, conserve resources and enhance resilience using sustainable principals.

Our staff of environmental engineers, scientists, chemists and regulatory compliance specialists have managed and provided technical support for public, private and tribal clients on civil, environmental and natural resource restoration projects throughout the Northwest and Alaska. We’ve earned a reputation for developing close working relationships with our clients and responding quickly to their needs.

Ridolfi’s professional qualifications reflect continuous learning and professional experience that have honed our staff to a high level of performance, expertise and reliability.