There is such a vast range of information for businesses on the internet that it can be hard to know where to start looking. Here are some sites you may wish to visit:
Small Business Service: www.businessadviceonline.org Site of the new government agency representing small businesses.
Which: www.which.net The Consumers Association site is well-designed and maintained, but much of content is subscription-based.
Entrepreneur.com: www.entrepreneur.com Attractive US site with a range of practical business tips and advice that will equally apply to UK SMEs.
Enterprise Insight: www.enterpriseinsight.co.uk Recently-launched government site aimed at fostering enterprise in UK.