Everyone knows you, the detectives from film and series in constant action. However, the reality is a little different. But what every professional detective / assistant, in addition to the technical qualification, in any case required in large quantities, is very much patience. In Austria, the trade of professional detectives due to the industrial code according to § 94 para. 62 is a regulated trade. As a business professional detective, it is therefore not only sufficient to fulfill the "normal" requirements, but it must also the special requirements, as well as the professional qualifications (which is accepted by an independent board of examiners by examination) are met and proven. Furthermore, in the Industrial Code under § 129 (1), the precise permitted activity of professional detectives and their assistants is regulated. Due to the very strict training and licensing requirements, as well as their proven legal knowledge, professional detectives are not only an executing body, but also have Functional consulting competence. Professional secrecy arises from the Industrial Code under § 130 (5), [...] traders who are entitled to exercise professional detective duties are bound to secrecy over the matters entrusted to you.