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.

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.

Échange WhatsApp — 100 % confidentiel