Welcome to DETECTIVFREI, Zürich-based private
Fifty years ago, Hans Frei, a former detective
of the Zurich Police Force, established a single firm named
"Privatdetektiv- und Informationsbureau H. Frei".
After his sudden death, his brother Willi took over the business
and turned it into a joint stock company. Since 1989, the
corporate management has been passed into hands of Themis
Kostenas and Markus Wegst.
Our Company is one of the first general investgation agencies
founded in Switzerland and enjoys an excellent reputation.
Based on our famous name, it is our main concern that the
variety of our services complies with the different demands
and of succession, divorce suits and matrimonial regime were
private persons whereas nowadays there are frequently industrial
concerns and public service companies that demand our varied
and extensive services.
Thanks to our continuous adaption to changing situations
in the market and as a result of our executive training, we
are always able to offer workable, effective and non-conventional
solutions which can be realized at short notice.
The confidence shown over again by a big and considerable
clientele not only confirms our being on the right course,
but also represents the basis for our most successful activity.
Competence, Seriosity und
Our Motto - Your Benefit