About Us

ESSA Technologies Ltd. is an innovative environmental consulting company headquartered in Vancouver, Canada, with offices in Toronto and Ottawa and staff in Victoria and Hanoi, Vietnam. Established in 1979, ESSA has grown to become a world leader in the field of environmental consulting and decision support. We have achieved this position by consistently providing clients with the information they need to make improved decisions for a more sustainable future. Our experience includes over 1,700 projects in 33 countries around the world.

The key to our success is a unique and rich combination of scientific expertise, advanced tools for systems analysis, and innovative communications techniques. We sell ideas, tools, and disciplinary expertise; our dedicated and knowledgeable team of scientists fills a niche in the consulting field — we work together in interdisciplinary teams with our clients, applying quantitative methods and qualitative concepts to resolve complex natural resource and environmental management problems.