Technical Integrity / Collaboration / Exceptional Results

About Us

Integral Consulting Inc. is an international science and engineering firm providing multidisciplinary services in health, environment, technology, and sustainability. Headquartered in Seattle, the company operates in 12 states across the nation. Affiliated with the firm is Integral Engineering, P.C., a New York professional corporation. Established in 2002, Integral has grown to more than 150 employees spanning a range of scientific and engineering disciplines. We are known for providing cost-effective solutions to the complex technical challenges faced by our clients across a wide variety of public and private sectors, assisting them in project planning and management, regulatory strategy development, technical peer review, and expert services for litigation.

Professional Staff

At Integral, our people are our strength. We offer a highly qualified and dedicated team of more than 150 professionals and support staff, many of whom are recognized experts in their fields. Technical specialists include ecologists, toxicologists, biologists, aquatic scientists, geologists, hydrogeologists, environmental and atmospheric chemists, data managers and statisticians, as well as civil, geotechnical, environmental, hydrologic, and geologic engineers.


  • California
  • Colorado
  • Florida
  • Hawaii
  • Maine
  • Maryland
  • New Jersey
  • New York
  • Oregon
  • Texas
  • Utah
  • Washington