Environmental Compliance Services in Canada

Onterris in Canada

Onterris brings together global environmental expertise and deep local insight to deliver practical solutions tailored to Canada’s regulatory landscape, industries and communities.

Our Locations

Aerial top-down view of a winding river flowing through dense green forest

Our Solutions

Explore our integrated solutions for your next project

24-hour spill response in Canada
1-877-774-5525 | 1.877.SPILL25

Aerial view of park pathways with geometric landscaping, curved walkways, and garden beds

Site Assessment, Remediation and Closure

Onterris delivers turnkey site assessment, remediation and closure services for sites presenting soil, groundwater, surface water, sediment, soil gas and air contamination.

Aerial view of restored shoreline habitat and aquatic ecosystem supporting nature-based environmental solutions.

Planning & Natural Resource Management

Projects move faster and perform better when environmental and cultural considerations are built in from the start.

Environmental scientist collecting water quality data at a shoreline

Water Consulting

Onterris helps organizations better plan, maintain compliance and build resilient operations through a deeper understanding of water systems.

Woman wearing a yellow vest and looking through binoculars while standing in a field with homes and mountains in the background.

Leak Detection and Repair (LDAR) & Fugitive Emissions Management

Industrial facilities can contain thousands of components that release methane or volatile organic compounds (VOCs).

An Onterris employee setting up air sampling equipment in a field

Air quality doesn’t stop at the fenceline, and neither does regulatory or community scrutiny. Facilities are increasingly expected to monitor and respond to emissions in real time, often under public scrutiny.

Technician in safety gear operating air quality monitoring equipment in a dry field near an industrial stack and power lines.

Stack & Source Emissions Testing

Regulatory compliance starts at the source of emissions, where accurate measurement is critical to operational performance and environmental responsibility.

Culture & Careers

Careers in environment and engineering make a difference

Build a career that makes a measurable impact. At Onterris, our teams work across disciplines to solve complex environmental challenges and deliver practical results for our clients and communities. You will be supported with the tools, technology, and expertise needed to grow, while being part of a collaborative and purpose-driven team.

Explore our careers

Technicians inspecting solar panels on a rooftop while a drone flies overhead

Hands holding and releasing soil outdoors

Partnering with Indigenous communities

Onterris partners with Indigenous communities across Canada to deliver environmental solutions grounded in collaboration, respect, and local knowledge. We work alongside communities to incorporate Traditional Ecological Knowledge, support community-led monitoring, and engage Elders in project planning and decision-making.

Our formal partnerships include Onterris Infinity, a joint venture with Infinity Métis Corp. in the McMurray Métis community, and a relationship agreement with the Aseniwuche Winewak Nation to collaboratively deliver environmental services and build local capacity. Through these relationships, we are committed to supporting meaningful progress toward reconciliation while delivering strong project outcomes.