For over 40 years, Adelson Galleries has handled some of the finest American paintings to come to market, placing works in major private collections as well as leading public institutions. Distinguished for its expertise in the fields of American Impressionism, Realism and Modernism, the gallery was founded in 1964 by Warren Adelson in Boston, and is located today in Midtown Manhattan.

In addition to sponsoring both the John Singer Sargent and Mary Cassatt catalogue raisonné projects, the gallery regularly handles works by leading 19th- and 20th-century American artists, including George Bellows, Frank Benson, Mary Cassatt, William Merritt Chase, Thomas Wilmer Dewing, Thomas Eakins, Marsden Hartley, Childe Hassam, Robert Henri, Winslow Homer, Edward Hopper, Eastman Johnson, John Marin, Georgia O'Keeffe, Maurice Prendergast, John Singer Sargent, Edmund Tarbell, Andrew and Jamie Wyeth, among others. The gallery also exhibits works by selected contemporary artists.