Cercana — Nearshore Environmental & Engineering Consulting Support
Cercana builds and manages nearshore consulting teams for U.S. and Canadian environmental and engineering firms. Based in Mazatlán, Mexico, our bilingual teams are university-educated professionals who work in North American time zones as a seamless extension of your internal operations. We specialize in oil and gas environmental consulting support, Phase I and II ESA documentation, NEPA and CEQA reporting, regulatory compliance, and AI-enhanced workflows.
Founder
Jarrett Leinweber — Bilingual environmental scientist and entrepreneur with deep expertise in oil and gas environmental compliance, remediation, and M&A due diligence across Canada and the U.S.–Mexico border region. Alberta regulatory background with TC Energy project development experience at the U.S.–Mexico border.
Services
- Phase I & II Environmental Site Assessment (ESA) Support
- NEPA & CEQA Documentation and Report Production
- Oil & Gas Environmental Compliance (upstream, pipelines, remediation)
- Regulatory Reporting & Permit Support (AER, EPA, state O&G commissions)
- Spill Response Documentation & Remediation Project Support
- GIS & Technical Data Management
- Proposal Coordination & Technical Writing
- Administrative & Project Management Support
- AI-Enabled Workflow Integration
Industries Served
Upstream oil and gas, pipelines, remediation, infrastructure, power generation. Operating in major North American basins: Bakken, Permian, DJ Basin, Eagle Ford, Williston, Appalachian, Western Canadian Sedimentary Basin.
Clients
U.S. environmental consulting firms, U.S. engineering companies, Canadian environmental consulting firms, Canadian engineering companies.
Structure
U.S. and Canadian corporations. U.S. clients contract in USD. Canadian clients contract in CAD.
Location
Mazatlán, Mexico
Website
cercana.ca