ANACS - A service that renders an opinion on a coin's authenticity and grade.
Ancient Coin Certification Service - David R. Sear provides an authoritative aid to collectors and dealers who are seeking both a valid attribution of their coins and confirmation of authenticity.
ASA Accugrade, Inc. - Devoted to the education and protection of the consumer since 1984.
Coin Grading Australia - A third party grading service with a variety of services and fees. Grade US, Commonwealth and Australian coins.
Independent Coin Grading Company - Offering blind submission through a CPA firm to eliminate submission bias.
Numismatic Guaranty Corporation of America - Submit most US and world coins for grading through an authorized member/dealer.
Numistrust - A fully insured, comprehensive grading and encapsulation service. Coins do not have to be submitted through a dealer.
PCI - Accepts direct submittals from the general public, collectors and dealers.
Professional Coin Grading Service - Includes prices and descriptions of grading and authentication services.
Robert Matthews Coin Authentication - Specialises in the scientific examination and authentication of British milled coins.
Sovereign Entities Grading Service, Inc. - Grading and encapsulating service for U.S. coins, errors, and varieties.
Trugrade Service - Certification and encapsulation of U.S. coins 1792 to present and foreign coins 1600 to present. Downloadable online submission forms.