 Until 2015, it was part of the Macmillan Group and therefore fully owned by the German publishing company Holtzbrinck Publishing Group.As part of Macmillan, it was headquartered at the Macmillan campus in Kings Cross London with other Macmillan companies including Pan Macmillan, Nature Publishing Group and Macmillan Education, having moved from Basingstoke, Hampshire, England, United Kingdom in 2014.It maintains offices in London, New York, Shanghai, Melbourne, Sydney, Hong Kong, Delhi, and Johannesburg.