Solstice Environmental Acquires Tethys Environmental Services
Expanding Aquatic and Water Quality Consulting Services
November 2025: Solstice Environmental Management (Solstice) is pleased to announce the acquisition of Tethys Environmental Services (Tethys). Tethys is a respected aquatic and water-quality consulting company based in Alberta. With this acquisition, Solstice expands its environmental management services to include enhanced aquatic assessments, water-quality monitoring, fisheries assessments, and environmental inspections.
"We are thrilled to welcome the Tethys team into Solstice," said Michelle Cotton, CEO. "Their excellence in aquatic consulting matches our commitment to environmental solutions. Together, we’ll deliver a broader, integrated suite of services to our clients across Western Canada."
"It is incredibly rewarding to see our shared values and vision come together in this next chapter," added Meriah Wiart, Principal at Tethys. "After years of working closely together, it feels like a natural next step."
“It’s exciting that by joining Solstice we will expand the location, depth, and capabilities of the work we provide to our clients, allowing it to be more inclusive of all environmental disciplines,” stated Nathan Bushey, Principal at Tethys.
The acquisition allows Solstice to deliver expanded aquatic and water-resource services alongside its established expertise in reclamation, remediation, and regulatory environmental support. Clients of both firms will benefit from streamlined service delivery, enhanced technical depth, and greater geographic reach. The combined organization will operate under the Solstice, ensuring continuity for existing projects and clients.
“This integration will be a great benefit to many of our valued clients and partners who are working on sustainable environmental management practices, and we are delighted to have the Tethys team officially on board,” concluded Andrew Forrest Manager of Ecological Services.
For more information contact:
Maureen Keough, Vice President Operations & Strategy
Solstice Environmental Management
E: mkeough@solsticecanada.com P:780‑443‑3431
www.solsticecanada.com
Backgrounder
About Solstice Environmental Management
Based in Edmonton, Alberta with offices in Red Deer and Calgary, Solstice Environmental Management offers environmental consulting services across Western Canada, including assessment, remediation, reclamation, and sustainability‑focused projects. The company is committed to inclusive practices, community partnerships, and innovative environmental solutions.
About Tethys Environmental Services Inc.
Tethys Environmental Services is an Alberta‑based aquatic consulting firm providing water quality, aquatic assessments, fisheries studies, and environmental inspection services. Headquartered in Red Deer, Alberta, the firm serves a wide range of industrial, municipal and resource‑sector clients.
