Foerster & Thelen Group

A large group means large internal coverage

Foerster & Thelen is a German Data Collection Agency who has been in business for over 38 years.
Being the market leader in terms of German speaking data collection, Foerster & Thelen have extensive experience as well as strong resources in all areas of fieldwork.

Due to the merger with Foerster & Thelen – which owns shares in 3 additional data collection agencies – Rosenthal Research became an integral part of the Foerster & Thelen Group which consists of the following companies: