The institute T.I.P. BIEHL & PARTNER has been providing professional and user-oriented market research for 35 years. As a full-service institute, we are experts in qualitative and quantitative market research and, together with our clients, develop individual research strategies to solve individual problems. We see ourselves not only as a service provider but also as a long-standing partner in numerous established, long-term client relationships.


The management of the institute is in close contact with the clients and usually personally supervises the project work in the institute.

Eberhard Biehl

With a degree in psychology, Eberhard Biehl has been the institute’s CEO since its foundation in the 1980’s. He is responsible for the field of qualitative research and the international activities of the institute.

Dr. Bert Hallerbach

With a degree in geography and an extensive career with the ETI (European Institute of Tourism), Bert Hallerbach is the primary contact for tourism-related research questions.



In addition to institutional membership in the BVM the following personal memberships exist:


Interdisciplinarity is a top priority at T.I.P:
Psychologists, sociologists, tourism experts are available with their know-how and approach clients‘ questions from different perspectives. The institute’s internal statistics department guarantees fast and precise evaluations and is constantly communicating with the project teams. This is the only way to make solution-oriented analysis strategies possible.

The pool of interviewers includes both interviewers who
are trained in qualitative methods, as well as over 100 interviewers trained for CATI and PoS surveys.

Well-trained supervisors support the interviewers.

Company-owned vehicles are available for nationwide deployments.


As a full-service institute, T.I.P. has all the necessary infrastructures for carrying out qualitative and quantitative studies. This guarantees our methodological independence and allows us to apply high quality standards at all stages of the project.
Direct access to all steps from questionnaire programming up to tabulation ensures the highest degree of control and flexibility. Our own resources include:

  • 25 state-of-the-art CATI workstations for conducting telephone interviews,
  • equipment for 20 CAPI interviewers to conduct personal interviews,
  • a high-performance scanner for reliable data entry of surveys with large numbers of cases,
  • an own web server for maximum data protection of
    online surveys,
  • a conference room for focus groups with an observation room,
  • company-owned vehicles for the fast, nationwide deployment of interviewers.