Specialist Areas in which the Galleries deal are Old Masters with an emphasis on the Dutch and Flemish 17th Century School, Italian and Spanish 17th and 18th Century works and also English and French 18th and 19th Century works. Artists include: Angelica Kauffman, Ludolf Backhuysen, Nicholas Berchem, Jan Both, Peeter Bout, Pieter Claesz, Pieter J. Codde, Evert Collier, Jeronymus van Diest, Joost C. Droochsloot, Issak Luttichuys, Pieter Neefs, Bonaventura Peeters, Cornelis Van Poelenburgh, Louis Gauffier, Jacob Issacksz van Ruisdael, Salomon van Ruisdael, Jean-Baptiste de Saive, Adriaen van Salm, Tobias Stranover, Jacob Bogdani, William Marlow, Thomas Gainsborough, Sir Thomas Lawrence, Vicente Victoria, Roelof Jansz van Vries.

The Ryder Street Galleries also show three to four contemporary exhibitions a year and these include: Henry Koehler, Alec Cobbe, Siân Hopkinson, Miranda Legard, Caroline Lees, Christopher Miers, and sculptor Patrick Villas. Caroline Valls acts as agent for artists and advises on commissions for individual living artists and their clients.

Rafael Valls Limited exhibits regularly at major Art Fairs throughout Europe and America including Maastricht, Grosvenor House Fine Art and Antiques Fair, and The British Antique Dealers Fair.
The business also purchases works of art for their own stock directly from private clients, as well as providing valuations, advice on conservation and for buyers and sellers at auction.