Here are some useful links that may interest and help you,

Business Information

British Chamber of Commerce - Chamber Online

Companies House - For the Record

Federation of Small Business - FSB Online

Health & Saftey - HSE

HM Revenue and Customs - HMRC

New Business Start Ups - Startup

Yellow Pages : Business Directory

Search Engines

Google : Yahoo : MSN : Ask Jeeves

Local Maps & Directions - Multimap