Groupe C. Laganière

Industry

Ecology & monitoring, Energy, Remediation, Waste & circular economy, Water

Topics

Wastewater, water treatment & bioremediation, Biomass, bagasse & waste valorisation

Role

Services / consulting — “…assessments and specialized consultancy services - Proven execution capacity (over 55 years) with a skilled wo…”

Parent / group

Family-owned (majority), with Fondaction and Investissement Québec as minority investors

Why it is bioeconomy

Groupe C. Laganière is an environmental services company specializing in soil and water decontamination through bioremediation and other biological treatment methods at its Complexe Environnemental Montréal-Est (CEME).

Found via

[Rubric] Canada · mining-water

Not yet cited as a supplier in a graded solution.

• 2025-10 Latest status: In October 2025, the company filed a lawsuit against the city of Montréal-Est regarding the development of a site it purchased from Shell. ↗ ↗ ↗
• 2025-10-10 Terrain de l’ancienne raffinerie Shell | Laganière poursuit Montréal-Est pour 17,6 millions
  Groupe Laganière is suing Montréal-Est for 17.6 million, accusing the city of blocking development of its 743,000 m² site—purchased from Shell in 2017—with a new resolution. They claim the city’s actions devalue the property and impede rehabilitation work.
• 2025-04-07 Développement de Montréal-Est | Bras de fer pour l’ancien terrain de Shell
  Groupe Laganière, a environmental services firm, owns a 743,000 m² site formerly Shell land in Montréal-Est and was close to selling it before Montréal-Est adopted a precautionary reserve hindering development, prompting the company to seek court relief. The …
• 2026-08-07 Martin Laganiere
  Groupe C. Laganière is an environmental services company based in Montreal-Est, Quebec, specializing in rehabilitation of contaminated sites, soil treatment, and environmental assessments, with 30–40 employees and a presence in the United States.
• 2026-09-01 Northleaf Capital Partners on a new blueprint for infrastructure
  The article discusses Northleaf Capital Partners’ approach to mid-market infrastructure, emphasizing active value creation, growth, operational improvements, and de-risking—but it does not mention or discuss Groupe C. Laganière. In other words, there is no …
• 2026-04-21 Artelia Canada Wins the CCIFC Award for Best Franco Canadian Collaboration - Artelia
  The press release highlights Artelia Canada’s recognition for Franco‑Canadian collaboration, noting its roots from the FNX‑INNOV acquisition by Artelia Group and praising the joint, value-driven partnership across Canada and France. It does not mention Groupe …
• 2025-09-11 L’«enfer» des punaises de lit à Québec
  Groupe C. Laganière (via Gregory Laganière) describes living in a bedbug-infested building managed by Dufour Cinq-Mars as an “enfer” for about 18 months, with alleged lack of transparency from the management about the infestation.

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