Dominic Winter Book Auctions was opened in 1988 by its namesake founder. The house specializes in a wide range of antiquarian and rare printed books, antique maps and prints, historical documents, manuscripts, autographs, pictures, graphics and printed ephemera. They describe the firm as the "United Kingdom's leading provincial book auctioneers."

They have locations in South Cerney, Gloucestershire, and Swindon, Wiltshire. While they now auction some items outside of the range of books, such as a 27-year-old piece of Charles and Diana's wedding cake, or a lock of hair possibly from Jane Austen, books and related material remain their main focus, and they are one of the world's primary auction houses in this field.