Sally Muir and Joanna Osborne run their own knitwear business, Muir and Osborne. They export their knitwear to stores in the United States, Japan and Europe as well as selling to shops in the United Kingdom. Several pieces of their knitwear are in the permanent collection at the Victoria and Albert Museum, London. Sally Muir and Joanna Osborne are the authors of the bestselling Best in Show (9781843405733) and Best in Show: Cats (9781843400000).