Scholium Group plc is the holding company of a group of involved primarily in the trading and retailing of rare and antiquarian books and works on paper. The group of businesses comprises: Shapero Rare Books, a dealer in rare and antiquarian books and works on paper, located in Mayfair, London; and South Kensington Books, a bookshop specialising primarily in art, and its sister , Ultimate Library, a creator of bespoke libraries for residences, luxury resorts and hotels, which are located together in South Kensington, London. The main country of operation is the United Kingdom.