1. Pre Matrimonial Investigation Services
When it comes to trust and long-term commitment, clarity is a must needed. We provide discreet pre-marital background verification and partner screening services in France to help individuals and their families make informed decisions before marriage.
Our private investigators handle such cases with discrétion professionnelle and structured methodology, ensuring that all findings are carefully handled and delivered with strict confidentialité. The objective is not intrusion, but clarity, so decisions are based on verified information rather than uncertainty.
We will verify:
- Job, salary, office, and Designation.
- Criminal background (If any)
- Previous associations and love affairs (If Any).
- Bad Habits like smoking, alcoholic, abuser, or gambler.
- Family background and general reputation assessment.
“Seeking clarity before marriage is wiser than to live with regret afterward.”
2. Post-Marriage Investigation Services
If you are experiencing stress due to sudden and unexplained changes in your spouse’s behaviour, such as frequent late-night absences, secretive phone calls, emotional withdrawal, unusual hostility, or unexplained financial secrecy, it can lead to significant confusion and ongoing stress.
In such sensitive times, obtaining clear and authentic information becomes essential in order to make informed and responsible decisions.
As a trusted private detective agency in France, we offer discreet and confidential post-marital investigation services aimed at providing clarity through structured and Pratiques responsables.
Our experienced investigators handle every matrimonial case with strict confidentialité and a structured investigative approach. We truly understand that personal matters require discretion, respect, and professional sensitivity. For this reason, every case is managed with discipline and care to ensure that your privacy remains fully protected throughout the entire investigation process.
- Investigation of potential extramarital involvement
- Observation of behavioural inconsistencies
- Verification of financial irregularities
- Discreet association background checks.
- Structured surveillance operations conducted with discrétion professionnelle.
Our role is not to escalate conflict, but to bring clarity through our investigation. When decisions are based on authentic or verified information, they can be made with confidence, stability, and peace of mind.
If you are finding a trusted private investigation agency for matrimonial or post-marital concerns, We are available for a private consultation.
You’ll be shown real-time evidences (videos/pics) to make an informed decision at the end of process.
3. Physical Surveillance Services
Our private investigators in France conduct surveillance assignments with a high level of discrétion and structured planning. Each investigation is carefully coordinated to ensure responsible practices, minimize legal risk and gather information in a professional and ethical manner.
All surveillance activities are managed with strict confidentialité and careful documentation, ensuring that all the findings are managed responsibly and delivered with clarity.
We carefully observe the targeted person to collect all the evidences.
- Photos, videos, vehicle numbers.
- Day and night movement tracking
- Whom they meet where they go.
All this is done discreetly and ethically by our trained professional detectives in France.
Relationship & Loyalty Test Investigation Service
When doubt begins to replace trust, clarity becomes essential. If you believe that your partner may be concealing important information, our discreet relationship and loyalty investigation services across France are designed to help you uncover the truth with professionalism and strict confidentialité.
Our private detectives handle such sensitive matters with discrétion professionnelle, structured methodology and careful documentation, ensuring your privacy remains fully protected throughout the entire process.
- Know if your spouse if he/she is loyal to you or not?
- Recognize flirting, cheating, or lying to you.
- Collect emotional and visual evidence.
“Il vaut mieux affronter la réalité que vivre dans une belle illusion.”
5. Cyber Crime & Digital Fraud Investigation
In today’s digital environment, risks and threats can reach directly through your laptop, smartphone or online platforms, without any immediate warning.
We handle:
- Email or social media hacking.
- Blackmail or online threats.
- Cyberstalking or fake profiles.
- Identity theft or financial fraud.
We integrate modern technology with disciplined investigative practices to reach cyber criminals.
7. Background Verification Service.
As a professional detective agency operating in France, we provide you a structured background verification service for corporate clients, individuals and legal professionals. Our investigation may include employment history verification, financial background assessment, reputation analysis, review of social associations and other similar inquiries.
Each investigation is handled with strict confidentialité, professional discipline and careful documentation to ensure responsible information management and reliable findings.
Our vast network of detectives in France and legal tools help us find evidences.
Why people trust us as the most reliable detective agency in France
- 100% Confidentiality Guaranteed
We are a trusted detective agency that values your confidentiality above all, your privacy is fundamental to our work. All client identities and case details are treated with strict discretion and are securely managed throughout the entire process.
You get a complete case report with accompanying videos, images, and timeline report to guide your decision-making.
Typically it will take 2 to 7 days for the average personal investigation. You will be updated at every stage.
Affordable Private Detective Charges
Investigation Service Package rates begin at just €70, No hidden charges.
- Experienced Team of Private detectives in France
– Our trusted team of private detectives includes experienced detectives in France, trained detectives , ex-police officers and cyber security experts both male and female are available.
-We recognize the emotional difficulty such circumstances can create. We respectfully listen to you without any judgement.
Licensed Investigators – Lawful Evidence, Real Results.
Our private detectives handle each case with structured planning and methodological rigor. We emphasize responsible investigative practices, secure information handling and professional communication at each stage of the process, ensuring strict confidentialité throughout.
We prioritize transparency from the outset. Before any investigation process begins, we clearly mention what can realistically and responsibly be undertaken within professional and legal boundaries, ensuring there are no confusion later. You will have a precise understanding of how the investigation will proceed, what type of documented findings may be obtained, and how such information can be used.
This clarity is particularly important for international clients and expatriates managing personal or corporate cases in France from abroad.
The Importance of Private Investigation Standards in France.
Engaging an unlicensed or non-compliant detective in France can do more harm than good. Improperly obtained information may have limited value in legal matters and could create unnecessary risk. That is why choosing a properly authorized and a professional private detective agency in France is not merely a formality but it is an essential safeguard.
When you work with us, you’re not simply hiring detectives, you’re partnering with professionals who respect the French laws, safeguard your privacy, and provide reliable, well-document findings. Whether your case involves corporate matters, personal concerns, or potential legal proceedings, you can move forward with confidence knowing everything is in right hands.
How we Helped a Client in France. | Comment nous avons aidé un client en France.
At GAMSI Detective Agency, our work is more than just completing an assignment. Every investigation represents someone’s trust, emotions and future. Clients come to us during uncertain times, unanswered questions, carrying doubts and concerns that affect important life decisions. We consider it as a responsibility to provide them with clarity, truth and peace of mind through structured and professional investigation services.
Below is a story of one of our clients in France whose life changed after seeking our investigative support.
Monsieur Lefèvre approached our detective agency in France regarding concerns about a potential international business partnership. Certain financial disclosures and background representations required independent verification before finalizing the agreement.
After a confidential consultation, our private investigators conducted a structured background inquiry and discreet verification process within Paris. The investigation included corporate record review, reputation assessment, and verification of business associations.
The findings revealed inconsistencies that were not apparent through standard public checks. With carefully documented information in hand, Monsieur Lefèvre was able to reassess the partnership terms and proceed with greater clarity and confidence.
The verified information allowed the client to make informed personal decisions with confidence, based on facts rather than suspicion”.
– Monsieur Antoine Lefèvre (Paris, France)
Please Note: The case we shared above has been mentioned with the client’s official consent. At GAMSI Detective agency, we strictly respect and protect the privacy of our every client. Your trust and privacy are our top priority.