Art Provenance Research

Bonhams is a privately owned international auction house and one of the world's oldest and largest auctioneers of fine art and antiques.

Christie's is a British auction house founded in 1766 by James Christie. Renowned for live and online auctions, Christie’s offers a full portfolio of global services, including art appraisal, art financing, international real estate and education.

Heritage Auction Galleries is an auctioneer of numismatic collections, comics, fine art, books, luxury accessories, real estate, and memorabilia from film, music, history, and sports.

Phillips auctions focus on twentieth-century and contemporary works of art, design, jewels, watches, photographs, and editions.

Sotheby's is a British-founded American multinational corporation with headquarters in New York City. It is one of the world's largest brokers of fine and decorative art, jewelry, and collectibles.

Swann Galleries is a New York City auction house founded in 1941. It is a specialist auctioneer of antique and rare works on paper.

Through Artnet, browse a curated selection of auction houses, and discover upcoming sales around the world.