Environmental Services Group Inc. (ESG) is a leading environmental and indoor air quality consulting firm based in the Greater Toronto Area, serving insurance, commercial, institutional, and industrial clients across Southern Ontario. Established in 2007 by Tara Valley, a proud member of the Wahta Mohawk community, ESG integrates Indigenous values with modern environmental practices to deliver safe, healthy, and compliant environments.

ESG’s multidisciplinary team includes senior consultants and a Registered Occupational Hygienist, bringing decades of experience in occupational health, hazardous materials assessment, and air quality science. Core services include mold and moisture assessments, asbestos and lead surveys, radon testing, designated substances evaluations, indoor air quality audits, thermal imaging, and occupational exposure investigations. ESG also supports insurance and restoration projects with fire and smoke damage assessments, trauma scene evaluations, and post-remediation verification.

The firm has delivered projects for federal, municipal, and healthcare facilities, including hazardous materials surveys, infection prevention and control monitoring, and clean room compliance testing. ESG is a member of the Canadian Council for Aboriginal Business, Environmental Abatement Council of Canada, and Indoor Air Quality Association.

With proven expertise, regulatory compliance, and cultural awareness, ESG provides trusted, cost-effective solutions that protect health, safety, and the environment.