About RPA

RPA Inc. is a group of technical professionals who have provided advice to the mining industry for more than 30 years. During this time, RPA has grown into a highly respected organization regarded as the specialty firm of choice for resource and reserve work. RPA provides services to 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 portfolio of customers includes clients in banking (both debt and equity) institutional investors, government, major mining companies, exploration and development firms, law firms, individual investors, and private equity ventures.

RPA offices are located in Canada, the United States and the United Kingdom. Our professionals work globally, visiting mines and projects on six continents. Our home office is located in Toronto, Ontario, and the company is 100% owned by its employees.

Our mission is to apply our broad and deep experience to provide objective, independent advice. Our vision is to enable mining industry operators and investors to make the right decisions for business success. Clients return to RPA repeatedly because of the accurate, credible technical reports and advice we deliver, reports that are accepted and relied on time and again, among financial institutions and major regulatory bodies worldwide.

At RPA, we:

  • Deliver what we promise
  • Provide Unsurpassed Quality
  • Communicate effectively with clients and other stakeholders

All of these characteristics are embodied in our motto:


RPA capabilities include:

  • Mineral resource and mineral reserve estimates and audits, compliant with all worldwide reporting codes
  • Mine design and optimization
  • Metallurgical assessment and process review
  • Estimation of project capital and operating costs
  • Preliminary economic assessments, scoping, prefeasibility, and feasibility studies
  • Valuation of mineral properties
  • M&A due diligence reviews of mining and exploration projects
  • Lender advisory services
  • Project financial modelling and analysis
  • Expert witness services
  • Design and management of exploration programs
  • Reporting for public disclosure, including NI 43-101 Technical Reports, Competent Persons Reports, and Mineral Expert Reports
  • QA/QC audits and reporting
  • Operations benchmarking, optimization programs and troubleshooting
  • Strategic planning and advice for boards and senior management