United Kingdom

• ACOP

• Brand Institute

• Education Research Group (ERG Survey)

• e-Research-Global

• Focusline Surveys

• Global Opinion Panels

• GlobalTestMarket

• Ipsos

• Lightspeed Panel

• Nielsen NetRatings

• NOP Research

• Opinion Bar

• Opinion Outpost

• Opinion Surveys

• Opinion World

• Panelbase

• Palm Research

• Permission Research

• Planet Panel

• Planet Pulse

• Pure Profile

• Reward TV

• Spirit Panel

• Springboard

• SSI Survey Panel

• Surveys.com

• SurveyHead

• Survey Savvy

• Toluna

• Tourism and Travel Study

• U.K. Gamblers Study

• U.K. Survey Panel

• Valued Opinions

• Vizu Panel