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Ellis International Services specializes in providing rigorous, independent, unbiased market value appraisals (fair market valuations) of mineral properties and mineral rights, from 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 USA and the world, subject to legal and regulatory restrictions. Our valuation reports are developed in accordance with the prevailing national or international standards, including relevant minerals industry standards.

Ellis International Services, founded in 1983, is led by Trevor R.?Ellis,?a minerals property appraiser, geologist, and minerals economist, with 45 years of diverse, mining industry experience. Trevor Ellis also provides expert support for litigation, through his?independent market/fair value appraisals of takings and damages to mineral lands, mine and quarry properties. Trevor Ellis develops his valuations in accordance with?USA’s national Uniform Standards of Professional Appraisal Practice (USPAP), the International Valuation Standards (IVSs), the SME (Mineral) Valuation Standards, and other standards, as applicable.

In addition to diversified work in the United States, much of Trevor Ellis’s experience has been on assignments in other countries, including many years of field experience working in remote areas of Australia, Indonesia, Papua New Guinea, and Ecuador.

How We Are Different

The key qualities that make EIS and Trevor Ellis unique include:

  • 45 years of diverse experience in the extractive industries sector.
  • Impeccable qualifications, reputation, and ethics.
  • Worldwide name recognition.
  • Leading author and speaker in the minerals appraiser/valuer profession.
  • Trevor Ellis received the 2018 Mineral Economics Award from the American Institute of Mining, Metallurgical, and Petroleum Engineers (AIME).
  • Comprehensive knowledge of applicable standards and best practice, Mr. Ellis having been a primary author or adviser on the development of many of these.
  • Extensive and varied expert witness experience.
  • Trevor Ellis is one of only 23 Mining Expert nominees accepted worldwide, for listing in?Who’s Who Legal: Mining 2019, by Law Business Research Ltd, UK.
  • 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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