Forget City slickers and property tycoons; niche markets, small companies and computer gurus dominated this year's top 100 entrepreneur list, with the majority of enterprises based outside of London.

Britain's Top 100 Entrepreneur list, compiled by Philip Beresford, author of The Sunday Times Rich List, showed the harsh economic climate has taken its toll on larger City-based enterprises, while niche markets and companies specialising in computer software, anti-virus programs and gaming are coming to the fore.