About SLR and RPA

In 2019, SLR, a global leader in environmental and advisory solutions, acquired RPA, a 60-person, world-leading mining advisory business with teams in Toronto, Denver, and London.

The RPA team includes geological, mining and metallurgical consultants who have provided expertise and advice on every continent to clients in the mining industry for more than 35 years. The team brings world-class mining advisory services to SLR’s existing Mining & Minerals practice, not only in North America and Europe but across the globe.

SLR and RPA collaborated on client projects in the past and now offer our clients in the mining sector a comprehensive suite of services, extending from value creation and revenue generation through resource and reserve work to environmental and social risk and liability management. Our services are employed in the mining industry at all stages of project development from exploration and resource evaluation through scoping, prefeasibility and feasibility studies, financing, permitting, construction, operation, closure and rehabilitation.

Our team of specialists advise mining companies, from majors and mid-caps, through junior mining and exploration companies, as well as financial institutions, governments, law firms, and individual investors on the technical and commercial aspects of mineral property development.

We have extensive experience in all commodities and mining areas of the world. Our core professional staff includes Senior Geologists, Mining Engineers, Metallurgists, Geotechnical Engineers, Tailings Specialists with extensive experience in the mining and exploration industries. With in-house access to a range of Environmental and Social expertise, as well as Hydrologists, Groundwater Practitioners, and Geochemists, we can address the full range of Environmental and ESG issues and challenges.

Our core capabilities include:

  • Mineral resource and mineral reserve estimates and audits, compliant with all worldwide reporting codes
  • Mine design and optimization
  • Metallurgical assessment, process design and optimization, test program development and sample selection
  • Geo-metallurgical review
  • Estimation of project capital and operating costs
  • Preliminary Economic Assessments, scoping, prefeasibility, and feasibility studies
  • Valuation of mineral properties
  • Expert Witness
  • Environment and permitting
  • Mine waste engineering
  • M&A due diligence reviews of mining and exploration projects
  • Lender advisory services
  • Project financial modeling and analysis
  • Reporting for public disclosure, including NI 43-101 Technical Reports, Competent Persons Reports, and Mineral Expert Reports
  • Strategic planning and advice for boards and senior management