MDSL provides software and consultancy to help clients reduce the costs of their telecoms services and data on financial markets. It also helps them with contract negotiation and assists with compliance reporting. The Tunbridge Wells company has offices in New York, Macau and Tokyo to serve its international client base. Customers include large investment banks such as UBS and HSBC as well as multinational organisations such as BP, Nokia, Accenture, Volvo and Estée Lauder. International sales have grown by 107% a year, from £1.4m in 2007 to £6.2m in 2009, under founder and chief executive Ben Mendoza.