A private detective is an investigation professional who collects information and gathers evidence for clients. Their missions vary depending on needs and may include:

Personal investigations: adultery, divorce cases, missing person searches, background checks.

Family matters: surveillance of an ex-spouse to verify compliance with child support or custody arrangements.

Commercial cases: employee investigations (fraud, abusive sick leave), industrial espionage, workplace theft.

Financial disputes: debtor tracing, asset verification.

Criminal matters: assistance in defense cases by gathering evidence for lawyers or victims.

A private detective must always act in full compliance with the law and respect for privacy.

Yes, the profession of private detective is fully legal in France, but it is strictly regulated by law.
Detectives must hold an authorization issued by the CNAPS (National Council for Private Security Activities), an authority under the supervision of the Ministry of the Interior.
They are required to comply with the Internal Security Code and may not conduct investigations that infringe upon individual freedoms.
They are prohibited from using illegal methods, such as wiretapping or unauthorized access to private data.

To verify the associations of a suspected spouse (places visited, people met).

To determine whether the suspected spouse is involved in one or more extramarital relationships.

To obtain photos and videos that can be presented to the competent authorities to assert your rights or kept for informational purposes.

To assist in the assessment of compensatory payments.

To attempt to identify the alleged lover.

To enable the recovery of damages and compensation.

To work in coordination with a bailiff, who may carry out an official adultery report.