Telefon   +41 44 201 86 84

Privatdetektei Leuthold & Kostenas
Brunaustr. 72
8002 Z├╝rich

Contact us for a non-binding consultation. We also speak English, French and Italian and are networked worldwide.

Private detectives of Leuthold & Kostenas can confirm or refute suspected facts.


It goes without saying that we treat our clients’ concerns with the utmost confidentiality and discretion.

Before placing an order, a personal discussion takes place with the client, in which the initial situation and the objectives are discussed. This can be done by telephone, in a personal conversation or by e-mail.

private investigators