Looking for a private investigator in Lyon? Groupe Hypérion supports you with complete discretion in your personal and professional investigations. As investigation specialists, we provide individuals and companies with concrete and actionable evidence.
Private Investigator in Lyon & Rhône (69) | Hyperion Group
Why contact Hyperion Group, private investigators in Lyon?

You are undergoing unfair competition, Is confidential information circulating abnormally and harming your business? Is an employee on sick leave engaging in suspicious activity? Do you suspect internal fraud or client poaching?
These situations are not trivial and can seriously affect your economic performance, just like a salesperson who has violated a non-compete clause, the trade of counterfeit products, or leaks of strategic information.
The reasons for calling on a private detective agency in the Lyon region are varied and can concern financial, human, and strategic stakes specific to your business.
Our previous experiences prove our ability to respond effectively to a wide variety of requests, while strictly respecting confidentiality, legislation, and current regulations.
Our strengths:
- CNAPS licensed detectives and experienced
Rapid interventions in Lyon and throughout the Rhône department (69) - Actionable reports before the courts (labor courts, commercial courts)
- Absolute respect for confidentiality and the legal framework
Whether you are a business leader, lawyer, HR manager, or individual, we put our expertise at the service of defending your interests.
Are you looking for a private investigator in Lyon?
Please fill in the form below for more efficiency. We will call you back as soon as possible.
Our services in Lyon and the Rhône
The Hyperion Group addresses issues common to many Lyon-based companies. Nevertheless, each situation has its own particularities that must be well understood in order to’get results fast and without any major crisis.
Thanks to our experience and the many investigations conducted for our clients in the Auvergne-Rhône-Alpes region, we know how to quickly steer clear of false leads, while making the most of every piece of evidence to avoid mistakes and dead ends.
With that in mind, we base our collaboration on listening and communicationThis close relationship between you and us enables us to deliver tailor-made, effective and relevant solutions. This close relationship between you and us enables us to deliver tailor-made, effective and relevant solutions.

This illegal practice, which is already closely monitored by the authorities, can lead to significant financial losses for a company that sees its products (clothing, accessories, spare parts, or medicines) counterfeited.
A private investigator can investigate, infiltrate distribution channels, collect and analyze photographic and documentary evidence, and then collaborate as effectively as possible with the competent authorities and your legal counsel to put a stop to these actions.
This illegal practice, already closely monitored by the authorities, can cause’significant financial losses for a company that sees its products (clothing, accessories, spare parts, or medicines) counterfeited.
A private investigator can investigate, infiltrate distribution channels in Lyon, collect and analyze photographic and documentary evidence, and then collaborate as effectively as possible with the relevant authorities and your legal counsel to put a stop to these actions.

Service areas: Lyon, Rhône (69), and the Auvergne-Rhône-Alpes region
The Hyperion Group operates in Lyon and throughout the Rhône department (69). Our licensed private investigators travel quickly to all municipalities within the metropolitan area and beyond.
Lyon and Metropolis
We operate in all districts of Lyon: Lyon 1st (Pentes de la Croix-Rousse), Lyon 2nd (Presqu’île, Bellecour, Confluence), Lyon 3rd (Part-Dieu, Montchat), Lyon 4th (Croix-Rousse), Lyon 5th (Vieux Lyon, Fourvière), Lyon 6th (Foch, Tête d’Or), Lyon 7th (Jean Macé, Gerland), Lyon 8th (Mermoz, Monplaisir), Lyon 9th (Vaise, Gorge de Loup).
We also cover all the municipalities in the metropolitan area: Villeurbanne, Vénissieux, Caluire-et-Cuire, Saint-Priest, Bron, Vaulx-en-Velin, Meyzieu, Rillieux-la-Pape, Décines-Charpieu, Oullins, Sainte-Foy-lès-Lyon, Écully, Tassin-la-Demi-Lune, Givors, and many others.
Rhône (69)
Our services extend throughout the department: Tarare, L'Arbresle, Thizy-les-Bourgs, Belleville-en-Beaujolais, as well as the towns of Beaujolais and Monts du Lyonnais.
Neighboring departments
We also operate in the Ain (01): Bourg-en-Bresse, Oyonnax, Bellegarde-sur-Valserine, as well as in Isère (38): Vienne, Bourgoin-Jallieu, and the Loire (42): Saint-Étienne, Roanne.
Whether your company is located in the La Part-Dieu business district, the Vénissieux industrial zone, the Gerland technology park, or the historic Old Lyon, our discreet detectives will travel to conduct your investigations.
GROUPE HYPERION, private detective network in Lyon
Founded by Jérémy Fontanille, the Hyperion Group was born with the aim of providing premium services to businesses and individuals. Thanks to our integrity, professionalism, and commitment to you, we have forged a strong reputation over the years throughout France, from Lyon to Paris in passing Montpellier, Toulouse and Geneva.
Our ability to combine practical field experience with sharp legal expertise allows us to accelerate the resolution of investigations, so as to quickly close the crisis situation in your company or personal life. Our well-established national and international network allows us to offer you perfectly relevant and effective solutions, including for investigations requiring inquiries in multiple cities.
"Our mission is to provide investigative solutions of the highest quality, while respecting the values of integrity and confidentiality."
Jérémy Fontanille - Founder of Groupe Hyperion
The questions people ask a private detective in Lyon
Yes, the Hypérion Group operates throughout the Rhône department (69), from Lyon to Villeurbanne, Vénissieux, Caluire-et-Cuire, Bron, and Tassin-la-Demi-Lune. We also cover neighboring departments: Ain, Isère, and Loire, notably Bourg-en-Bresse, Vienne, and Saint-Étienne. Our detectives travel discreetly and quickly, regardless of the mission's location in the region.
Yes. Our reports are drafted in strict compliance with the legal framework and current case law. They are regularly accepted before the Lyon Labor Court, the Commercial Court, and the Judicial Court. We scrupulously apply the criteria of indispensability and proportionality set by the Court of Cassation, so that each element collected is directly usable by your legal counsel.
The duration depends on the nature and complexity of the case. For monitoring a suspicious sick leave, three to five days are generally sufficient to gather solid findings. For an investigation of unfair competition, a non-compete clause verification, or a background check, it takes two to three weeks. We systematically establish a transparent quote before any intervention, with a clear estimate of the timeframes. Each case is unique, and we adapt our methods to your situation.
Yes, we regularly collaborate with Lyon-based law firms specializing in labor law, commercial law, and family law, or with other lawyers in France. Our reports are designed to be directly usable by your counsel. If you do not yet have a lawyer, we can refer you to trusted colleagues in Lyon or the surrounding region.
Yes, we operate in all of Lyon's business districts: Part-Dieu, Gerland, Confluence, Vaise, as well as in the industrial and technological zones of the metropolis like Vénissieux or Meyzieu. Our detectives know the Lyon economic landscape and its sector-specific characteristics, particularly in the fields of chemistry, biotechnology, and business services.
More information?
Regardless of the sector of activity, a Lyon-based company can face problems similar to those in other regions. The objective of the Hyperion Group is to prevent these critical situations, particularly byimproving internal processes of your company. A security audit is a good way to test the reliability of your methods, for example.
In cases where it is too late for prevention, Groupe Hypérion can intervene quickly in Lyon and throughout the Auvergne-Rhône-Alpes region, to best protect your interests, in the Confidentiality and compliance with legislation.

