private investigator switzerland

A+A Privatdetektiv­büro AG in Zurich experience from 5450 cases since 1962

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our investigative services

Our private detectives provide you with information and evidence to confirm or refute suspicions. Through surveillance or investigation, facts and evidence about life or business partners, employees or competitors are obtained. This is done through eyewitnesses, photos or videos. Discretion has always the top priority.

corporate clients

From obtaining evidence of fraud, theft or embezzlement to insurance fraud:

services for companies

private clients

Proof of cohabitation, proof of income for alimony payments or matters of the heart.

services for privates

case studies

For reasons of confidentiality and to protect our clients, we cannot report on our cases.

However, we have received permission from some selected customers to report on their anonymised case:

about A+A Privatdetektivbüro AG

Our private detectives have been working in Zurich since 1962 and have conducted countless surveillances and investigations.

Decades of experience flow into our daily work.

about us

about us, our team and our work

more about us


The eventful company history of our detective agency:

our history


Our results are legal and admissible at court:

legal advice

frequently asked questions

You're thinking about hiring a private investigator for the first time? Here you will find answers to the most frequently asked questions and information on how to proceed:

frequently asked questions

Looking for certainty? Contact us without obligation and we will discuss your case:

discuss my case