Valuation and Appraisal Expert Witness Services
EDS Valuation and Appraisal Expert Witness Services Group value assets across industries and asset classes worldwide. Our discipline-specific and multidisciplinary valuers are internationally recognized and accredited ASA/RICS/MAI & USPAP/IVS (Red Book) appraisal instructors—all Super Appraisers® Elite-Rated international valuation luminaries.
We specialize in providing appraisal expert-witness testimony and litigation-support services to attorneys and law firms throughout the world, and we have prevailed in Billions-of-Dollars at issue in some of the world’s most complex—important—high-profile—and valuable valuation-related litigation and Alternative Dispute Resolution.
An Elite-Rated member of the peer-voted Super Appraisers® Global Network of internationally-recognized appraisal luminaries.



EDS Valuation and Appraisal Expert Witness Services
'We Value What You Do'
EDS holds the only RICS Expert Witness Accreditation Service (EWAS) and Dispute Resolution Service (DRS) Certifications
in the Western Hemisphere—one of only a handful of such Certifications in the world.
EDS is an Elite-Rated member of the peer-voted Super Appraisers® Global Network of internationally-recognized appraisal luminaries.
EDS has prevailed in billions-of-dollars at issue in some of the world’s most complex— important—high-profile—and valuable—valuation litigation.
EDS Valuation and Appraisal Expert Witness Services are provided by our Super Appraisers® Elite-Rated discipline-specific and multidisciplinary senior appraisers holding international accreditation with the American Society of Appraisers (ASA) and/or The Appraisal Institute (AI) and/or The Royal Institution of Chartered Surveyors (RICS).
The ASA is the oldest and largest multidisciplinary appraisal—valuation organization in the world with some 5,000 members in 137 countries globally. The Appraisal Institute is a global association of real estate appraisers, with nearly 23,000 valuation professionals in almost 60 countries throughout the world. RICS, with headquarters in London, is the leading organization of its kind in the world for more than 100,000 qualified professionals in commercial and residential development, construction and project management, brokerage, planning and finance, and valuation.
Our experts include Uniform Standards of Professional Appraisal Practice (USPAP) and International Valuation Standards (IVS) and RICS ‘Red Book’ instructors, former state and federal appraisal regulatory compliance officers, and Value Adjustment Board (VAB) magistrates.
