Welcome to Ellis International Services, Inc.

Ellis International Services specializes in providing accurate and unbiased market value appraisals (fair market valuations) of mineral properties and mineral rights, from mineral exploration and development tracts to operating mines and quarries.

Our appraisal services are provided for market valuation of properties involving all mineral commodities, such as precious and base metals, industrial minerals, uranium, coal, oil shale, aggregate and dimension stone. We provide our services throughout the U.S. and the world, subject to legal and regulatory restrictions. Our valuation reports are developed in accordance with the prevailing national or international standards.

Ellis International Services is led by Trevor R. Ellis, a minerals property appraiser, geologist, and minerals economist with 40 years of professional experience. Mr. Ellis also provides litigation support through his independent market value appraisals of mineral lands, mine and quarry properties. Mr. Ellis develops his valuations in accordance with U.S. national valuation standards, the Uniform Standards of Professional Appraisal Practice (USPAP), the International Valuation Standards (IVS) and other applicable standards.

In addition to the United States, Mr. Ellis has substantial field experience working in Australia, Ecuador, Indonesia, and Papua New Guinea.

How We’re Different

The key qualities that make EIS and Mr. Ellis stand apart include:

  • 40 years of experience in the extractive industries sector
  • Impeccable qualifications, reputation, and ethics
  • Worldwide name recognition, with Mr. Ellis being a leading speaker and author in this area
  • In-depth knowledge of applicable standards and best practice, Mr. Ellis having developed many of them
  • Mr. Ellis can quickly and easily obtain licensing as a certified general appraiser in most U.S. states


Let's Discuss Your Appraisal Needs

Ellis offers premium valuation services throughout the USA and around the world. Contact us to discuss the details of your project and see if we’re the right fit.

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