Forrester
www.forrester.com

E-mori
www.e-mori.co.uk

Data Monitor
www.datamonitor.com

Mintel
www.mintel.com

Jupiter
www.jup.com

New Media Age
www.nma.co.uk

NOP research
www.nop.co.uk

AC Nielsen
www.acnielsen.co.uk

Government Statistics
www.statistics.gov.uk

Top 50 web sites
www.top50.co.uk

Verdict research
www.verdict.co.uk

Marketing associations

Direct marketing

Directories

News

Business

Search engines

Books