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» 300,000 interviews per year

Amongst these include the most complex type of interviews with people ranging from PME Managers to CAC 40 Managing Directors, Mayors, Deputies and Senators. Callson therefore approaches a very wide range of research subjects.

» Clients, prospects, collaborators.
» National as well as international research.
» Our clients include the most renowned research institutes as well as marketing services and large company research.
» We are more than happy to supply you with our references on demand.
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