<P> It is the largest business process outsourcing and professional services company in the UK, with an overall market share of 27% in 2009, and has clients in central government, local government and the private sector . It also has a property and infrastructure consultancy division which is the fourth largest multidisciplinary consultancy in the UK . Roughly half of its turnover comes from the private sector and half from the public sector . Whilst UK - focused, Capita also has operations across Europe, Africa and Asia . </P> <P> Capita is listed on the London Stock Exchange and is a constituent of the FTSE 250 Index . </P> <P> Capita was formed 1984 as a division of the non-profit CIPFA (Chartered Institute of Public Finance and Accountancy). In 1987 it became an independent company with 33 staff as a result of a management buy - out, led by Rod Aldridge, and was first listed on the London Stock Exchange in 1991 . </P> <P> In March 2006, Executive Chairman Rod Aldridge resigned in the aftermath of claims that contracts awarded to the Group were influenced by his loan of £ 1 million to the Labour Party . Aldridge resigned saying that he denied the claims, but to avoid any lingering doubts about it, he was leaving the company . Aldridge had overseen the company's growth from a small company in 1987 to a FTSE 100 member in 2006 . He was replaced by his longtime associate Paul Pindar . </P>

When was capita fully listed as a public company on the london stock exchange