The company has separate specialist departments for books, autographs and manuscripts, maps and atlases, photographs and photographic literature, prints and drawings, vintage posters, illustration art, and African-American fine art.

Additionally, Swann conducts annual sales of printed and manuscript African Americana.

For over thirty years, Swann has been located on East 25th Street, just one block east of Madison Square Park, at the boundaries of the historic Murray Hill, Gramercy Park, and Flatiron districts.

Current European members are located in Stockholm, Cologne, Milan, Paris, Zurich, Geneva, and Vienna.

[2] Swann is the only auction house that is a member of the Antiquarian Booksellers' Association of America, which actively promotes an ethical professionalism in the dealing and trading of rare books.