CNAPS-licensed private detective agency, Paris & Île-de-France
Private detective in Paris: court-admissible evidence in the service of your rights
Individuals, businesses and legal professionals: our licensed private detectives conduct lawful, discreet investigations in Paris that produce court-admissible evidence. Free and confidential first consultation, 7 days a week.
Our expertise
Three areas of expertise, one standard: lawful evidence
We carry out every assignment in strict compliance with French law, to produce evidence that stands before the Paris courts.
Individuals
Adultery, divorce, child custody, alimony, missing persons. We gather usable evidence to defend your interests, with tact and discretion.
Investigations for individuals →Businesses
Unfair competition, sick-leave fraud, internal theft, CV screening, cyber surveillance and bug sweeping (TSCM). We protect your business.
Investigations for businesses →Legal professionals
Lawyers, bailiffs and notaries: we document the facts in the field, debtor tracing, asset investigations, evidence gathering under article 145 of the French CPC.
Detective for lawyers →Why Prometheus
Why hire a private detective in Paris?
In a city as dense as Paris, obtaining admissible evidence is often decisive. Backed by the Prometheus Group, CNAPS licensed, 30 years of experience, our team at 10 rue de la Paix acts quickly and lawfully, with complete discretion. Before you decide, our guide on how to choose the best private detective in Paris lists the checks worth making.
Legitimacy
CNAPS licence no. AUT-075-2116-12-06-20170618953, verifiable online. Every assignment is covered by a lawful written mandate.
Confidentiality
Professional secrecy guaranteed (art. 226-13 of the French Criminal Code). Absolute discretion on all our exchanges.
Rigour
Structured reports admissible before the courts (family court, labour court, commercial court).
Responsiveness
National and international network, member of the WAD, operations 7 days a week across Paris and the Paris region.
Method
Your investigation in 4 steps
First contact
Free and confidential consultation (phone, video call or at our office on rue de la Paix) to define your objectives precisely.
Strategy
We propose the most suitable strategy for your goals and budget, then a written mandate.
The assignment
Investigation carried out within the agreed timeframe, in strict compliance with the law, in constant liaison with you.
The report
Delivery of a detailed, court-admissible report, in complete confidentiality.
The team
Named, licensed and accountable detectives
An investigation is only as good as its investigators. Meet the people who will handle your case, each CNAPS-licensed and specialised.
Guillaume Pouillier
Case direction, complex investigations and the digital / OSINT unit.
Bruno Hallez
Surveillance and family cases across Paris and the Paris region.
Frédéric Masson
Corporate investigations, unfair competition and solvency inquiries.
Frequently asked questions
The private detective in Paris, in plain terms
Is hiring a private detective legal in France?
Are your reports accepted by the courts?
How much does a private detective cost in Paris?
Do you work for international clients?
Is everything confidential?
A doubt, a situation to clarify?
Free and confidential first consultation. We answer 7 days a week.