Our profile, our methodology, our quality standard

Our Profile

Interdetekt is a company specialising in investigation, evidence securing and security consulting, with its own technical department. Our engagements are carried out exclusively by qualified, experienced investigators; we additionally draw on a nationwide network of partner agencies and international contacts. Some of our investigators complete qualified training with the Central Training Body for the Detective Profession (ZAD), an organ of the Stiftung Gesellschaft und Recht, before being deployed at Interdetekt — an additional building block of our quality standards alongside our staff's practical experience.

Our client base includes commercial enterprises, insurers, law firms and institutions, as well as family offices and private individuals of every kind requiring discreet, robust clarification of personal, family-related or asset-related matters.

Method, Not Template

We regard standardised procedures that disregard the specifics of a case as of limited value and, in the end, often more costly than a solution tailored from the outset. Based on the information provided at the outset, we analyse the overall situation and present one or more resulting approaches, each with its method, realistic prospects of success, cost estimate, and an open account of possible risks and side effects.

Area of Operation

Interdetekt operates as a matter of course throughout Germany and in neighbouring countries — fundamentally, wherever a client needs us. For engagements beyond this core area, we are connected, through our membership of the World Association of Detectives (W.A.D.), to a worldwide network of experienced partner agencies. This network is more than mere reach: it ensures that investigations abroad are led by colleagues on the ground who know the relevant local legal framework and local practice from their own experience — an essential prerequisite for ensuring that the findings obtained are actually usable afterwards. Interdetekt acts as the central interface, coordinating cross-regional and international engagements and ensuring consistent, traceable documentation across every jurisdiction involved.

Our Quality Standard

We are aware of the responsibility that comes with the trust placed in us, and we meet it with discretion, professionalism and honesty — including when an investigation's outcome does not meet a client's expectations. Our understanding of quality is inseparable from legal compliance: an investigation, however revealing its findings, is worthless if those findings are subject to an exclusionary rule due to unlawful collection, or if a party makes itself liable through the manner in which evidence was obtained. We therefore assess, at every step — from surveillance to the evaluation of digital data to documentation — in advance whether the planned measure is covered by the applicable law, and we make the underlying legal assessment transparent on request. Only in this way can we ensure that an investigation's outcome is not only substantively convincing but can actually be used before a court, before regulatory authorities, or in the course of an internal audit.

Our on-call service is reachable by telephone around the clock. On the technical side, we work with current methods in photo and video technology, lawful communications monitoring, security systems, and counter-surveillance (technical sweeps).

Why Professional Investigation?

"Suspicio initium veritatis" — suspicion is the beginning of truth.

Anyone considering an external investigation as a rule already has a concrete reason. The only thing that can protect against further harm — financial, personal or reputational — is a robust finding of fact. A professional investigation provides the information that either substantiates or dispels a suspicion, creating the certainty needed for subsequent legal, business or personal decisions.

The Evidentiary Predicament as Starting Point

In civil proceedings, just as in internal corporate investigations, the burden of proof regularly lies with the party relying on a given set of facts. We help to overcome this evidentiary predicament through soundly documented reports and compelling photographic and video material, and — where required — we are also available as expert witnesses in subsequent proceedings.

The First Step

The decision to engage an investigation agency and entrust a sensitive matter to an outside investigator is, as a rule, initially difficult for many clients. We meet this reticence with the greatest possible transparency about how we work, the legal limits within which we operate, and our quality standards. Initial contact can, on request, be made anonymously at first and limited to general information — by telephone, by email, or in a personal, confidential conversation at a location of your choosing.

Our Approach

Aspiration and Reality

The professional image of investigators has changed fundamentally over recent decades: away from the popular cliché of the "snoop", towards an interdisciplinary service provider at the intersection of law, security and compliance. Our staff combine investigative, advisory and research-oriented competence with a technical understanding of photographic, video and IT forensics, together with a sound knowledge of the legal limits of our work. We see ourselves as advisers and allies to our clients in what are often difficult situations — holding ourselves to the standard of conducting every investigation in a way that its outcome withstands scrutiny.

Honesty Rather than Promises of Success

Real investigative work is more complex than media portrayals often suggest. We do not promise a guaranteed outcome — no reputable investigation agency can responsibly do so. What we can promise is careful, lawful, and documented handling of every engagement to the best professional standard.