CNAPS-licensed detective agency

Private detectives in France — evidence you can use in court

Groupe Prometheus assists individuals, companies and legal professionals across France from six offices: Paris, Strasbourg, Bordeaux, Marseille, Metz and Rouen. Every investigation is legal, discreet and designed to produce evidence admissible before French courts.

Free confidential consultation Call +33 1 88 31 04 96

What we investigate

For individuals

Adultery and divorce, child custody, alimony and hidden income, missing persons, inheritance, tenant disputes.

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For businesses

Unfair competition, fraudulent sick leave, internal theft, counterfeiting, due diligence, OSINT and bug sweeping.

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For lawyers & legal professionals

Debtor tracing, asset investigations, evidence for article 145 CPC proceedings, service of process support.

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Why clients choose Prometheus

Licensed and regulated Agency authorisation CNAPS AUT-075-2116-12-06-20170618953, verifiable on the French Ministry of the Interior teleservice. Private investigation is a regulated profession in France; hiring an unlicensed operator puts your case at risk.
Court-admissible reports French courts have accepted private detectives’ reports since a landmark Cour de cassation ruling of 7 November 1962, provided the evidence is obtained legally and fairly — which is exactly how we work.
Absolute confidentiality We are bound by professional secrecy (article 226-13 of the French Criminal Code), before, during and after your case.
Transparent pricing Hourly rates from €80 incl. VAT for individuals and written quotes before any work begins — see our rates.
National and international reach Six offices in France and an international network for cross-border cases.

Tell us about your situation

The first consultation is free, confidential and without obligation. We answer 7 days a week, 8:00–23:00.

Describe my situation +33 1 88 31 04 96

Médiation de la consommation (articles L. 616-1 et R. 616-1 du Code de la consommation) : après une réclamation écrite adressée à contact@prometheus-detectives.com restée sans solution sous un mois, tout client consommateur peut saisir gratuitement le médiateur dont relève SARL Prometheus : Société Médiation Professionnelle, Alteritae, 5 rue Salvaing, 12000 Rodez, www.mediateur-consommation-smp.fr.