About Your Private Detective Agency

Welcome to INVENY Agency

Discover INVENY, your expert in Investigations and commercial Investigations in Auvergne-Rhône-Alpes and throughout France. 

Your Trusted Partner for Your Investigations

Discretion and Expertise at the Service of Your Investigations

INVENY is a leading Investigations and commercial Investigations agency in the Rhône-Alpes region and throughout France. With our in-depth expertise and strong national network, we offer high-quality services tailored to each situation. Our unwavering commitment to customer satisfaction and our use of the most advanced technologies enable us to guarantee accurate and reliable results. Whether for Investigations or professional Investigations , you can trust INVENY for effective and rigorous investigations.

Knowledge for Understanding

Why Hire a Private Investigator?

In accordance withArticle 9 of the Code of Civil Procedure, the parties must provide the necessary evidence to support their claims. At INVENY, experts in investigations, we play a crucial role in this process, gathering information in strict compliance withArticle L621-1 of the Internal Security Code, thereby defending the interests of third parties in a completely legal and confidential manner in civil, commercial, or criminal proceedings.

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Your trust is our mission.

Our History and Our Values

Welcome to INVENY, where loyalty, high standards, discretion, and adaptability are at the heart of our values and our profession. Founded by Paul Cercy, a graduate of the École Supérieure des Agents de Recherches Privées (ESARP) and the Institut de Formation des Agents de Recherches (IFAR). In 2025, the agency welcomed a new partner: Mr. Ilia Alexis, a 2019 graduate of IFAR. With his solid experience, Mr. Alexis brings a new dynamic to the agency thanks to his mastery of technological tools, his analytical skills, and his unwavering commitment to customer service. INVENY stands out for its unrivalled expertise and exemplary rigor. Specializing in Investigations and private Investigations , our team operates throughout the Auvergne-Rhône-Alpes region and France. As members of the Allarys network, we benefit from national collaboration with certified detectives and cutting-edge technologies. Under the seal of professional secrecy and in accordance with the Internal Security Code, we are committed to protecting your interests with professionalism.

Expertise and Quality

All our detectives are certified by the CNAPS. We guarantee solid skills and ongoing training to maintain high standards.

Integrity and Ethics

All our Investigations conducted within the legal and moral framework, in accordance with the ethical standards established by the Internal Security Code.

Commitment and Availability

We are available 24/7 to meet your needs, demonstrating our dedication to providing continuous and accessible services.

Absolute Confidentiality

We strictly adhere to professional secrecy, ensuring that all information collected remains confidential.
Presentation image of the INVENY private detective agency in Lyon
"Seeking an explanation before knowing all the facts is a grave mistake. It distorts judgment."
Sherlock Holmes, A Study in Scarlet by Arthur Conan Doyle

INVENY, your private investigation agency, where discretion and expertise come together. We develop tailored strategies to obtain irrefutable evidence, supporting you with professionalism. Our services include surveillance, monitoring, and evidence gathering, all customized to meet your needs. Take advantage of our expertise for reliable and meticulous investigations.

OurInvestigation Solutions

Discretion and Expertise at the Service of Your Investigations.

Your Experts in Private and Commercial Investigations

Discover INVENY, your trusted partner for private and commercial investigations in Auvergne-Rhône-Alpes and throughout France. We offerInvestigations and discreetInvestigations services, with recognized expertise and a solid national network. Committed to customer satisfaction, we analyze your needs to develop tailored strategies aimed at obtaining irrefutable evidence essential to defending your interests, while respecting the law and ethics. We operate in many regions and cities to provide you with fast and effective assistance, wherever you are.

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Investigations

Discreet and Effective Investigations

Whether you have doubts about your partner's fidelity, questions about child custody, or are searching for missing persons, INVENY offers personalized services for every situation. Our detectives use advanced surveillance and tracking techniques to obtain accurate, legally admissible evidence, guaranteeing reliable results.

Investigations

Protecting Your Company's Interests

Companies face many challenges, whether it be internal fraud, intellectual property theft, or resume verification. INVENY offers customized investigative solutions to protect your assets and secure your business operations. Our expertise and discretion guarantee reliable results and optimal protection of your interests.

Investigations

Evidence Collection for Civil and Commercial Disputes

OurInvestigations services are designed to provide solid evidence in civil or commercial disputes. We prepare detailed, legally admissible reports that are essential for defending your rights in court. With INVENY, you benefit from recognized expertise and a rigorous approach, guaranteeing reliable results that comply with the law.

A Network Working for Your Interests

Our partners for your Investigations

For accurate information and tangible evidence, trust INVENY. Led by an expert Investigations supported by a team of experienced private detectives in Auvergne-Rhône-Alpes, our agency uses rigorous methodology and benefits from many years of experience. We work closely with lawyers, bailiffs, notaries, and experts to guarantee Investigations . Thanks to our extensive professional network covering the whole of France, we ensure responsiveness, proximity, and rapid responses to your needs.

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INVENY - The Truth at Your Fingertips

Why Choose INVENY?

INVENY is a private detective agency that stands out for its certified expertise, national network, and rigorous methodology. Discover how we conduct Investigations and gather evidence that is admissible in court thanks to our qualified team and advanced resources.

Your Trusted Partner for Investigations and Reliable Investigations

  • Certified Expertise and Practical Experience
  • National Network and Extensive Resources
  • Rigorous and Personalized Methodology
  • Admissible Evidence in Court
Discover our Method
The INVENY agency stands out thanks to its team of highly qualified and experienced private investigators. Trained in the latest techniques and using cutting-edge technology, our investigators guarantee fast and reliable results.
As a member of the Allarys group, INVENY benefits from a nationwide network of certified private investigators. This collaboration allows us to conduct Investigations on a national scale with access to significant resources and advanced technologies.
Each Investigation by INVENY is unique and tailored to the specific needs of our clients. Our methods include surveillance, monitoring, and evidence gathering strategies, all of which are legal and ethical, to ensure accurate and reliable results.
INVENY providesInvestigation reports that comply with legal requirements. Our objective and chronological reports include appendices such as photographs, videos, and witness statements for reliable documentation.

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Contact a licensed investigator

  • +33 (0)4 81 91 07 97
  • 24 hours a day, 7 days a week

Questions you regularly ask our private investigators

Find out everything you need to know about private investigators by consulting our comprehensive FAQ or contacting us directly! Explore the techniques and methods used by evidence professionals.

IN Investigations Y is a private detective agency based in Lyon, specializing in Investigations individuals, businesses, and local authorities. Our services include investigations into unfair competition, fraudulent sick leave, internal fraud, missing persons, infidelity, and much more. We are committed to providing solid evidence and protecting your interests with professionalism and discretion.

Each Investigation with a free consultation to understand your specific needs. After defining the objectives, we develop a tailored investigation strategy, which may include surveillance, monitoring, or administrative research. Throughout the process, we keep you informed ofInvestigation progressInvestigation , at the end, we provide you with a detailed report containing the evidence gathered, which can be used in court if necessary.

Yes, INVENY is an agency approved by the CNAPS (National Council for Private Security Activities), guaranteeing that all our operations comply with the legal framework in force. Our private investigators are trained and certified, ensuring that Investigations the ethical standards of the profession.

Although based in the Rhône department (69), INVENY operates throughout the Auvergne-Rhône-Alpes region and across France. Thanks to our national network, we are able to conduct Investigations and discreet Investigations wherever you are.

You can contact us 24/7 by phone at +33 (0)7 76 57 71 13 or via our contact form. We are also available by appointment at our offices. Please do not hesitate to contact us with any questions or to discuss yourInvestigation needs.

Our Areas of Operation in Rhône-Alpes

For your private investigation needs in the Lyon area, our team of private investigators guarantees a rapid response. We operate effectively throughout the Rhône-Alpes region, including in the following cities:

Tassin-la-Demi-Lune, Vaulx-en-Velin, Vénissieux, Villefranche-sur-Saône, Villeurbanne, Saint-Priest, Saint-Genis-Laval, Mont-d’Or, Rillieux-la-Pape, Oullins, Neuville-sur-Saône, Mions, Macon, Meyzieu, Lyon, Lentilly, Givors, Genas, Fontaines-sur-Saône, Amplepuis,L’Arbresle,Thizy-les-Bourgs,Val d’Oingt, Tarare, Francheville, Ecully, Décines-Jonage, Dardilly, Chaponost, Chassieu, Corbas, Craponne, Caluire-et-Cuire, Bron, Brignais, Belleville-en-Beaujolais, Anse. 

Our in-depth knowledge of the field allows us to optimize our private detective services to provide you with relevant and rapid results.