I
Former police officers
Our investigators come from the cantonal police forces of Vaud, trained in evidence and procedure.
Private investigationand security agencyin French-speaking Switzerland.
Agency led by former police officers who served in the canton of Vaud. Official method, private framework, court-admissible evidence.
Private investigators & security · Switzerland
DG · MMXXVI · CHAILLY/MONTREUX
Manifesto
« In an investigation, method makes all the difference. »
DDuo Guardians is not a classical detective agency. Our approach is that of former officers who served in the canton of Vaud, adapted to the private sphere. Where others improvise, we apply a protocol, the one we learned within the police.
Every action is legally validated before being initiated. No grey zones. No unusable evidence. Our reports are chronological, factual, and admissible before a court, by a lawyer or by an insurance company.
Discretion is not a marketing slogan: it is a discipline. Encrypted data, Swiss hosting, no subcontracting, secure destruction of files at closure. This is what sets us apart. This is what we commit to.
Eric & Haris, founders
Interlude · Field
« What is visible is never what is happening. The truth lives in the details no one is watching. »
Field notebook · Vaud
Practices
Three practices. One team.
Three complementary disciplines, one shared standard: investigative rigor.
Why us
Four commitments. No exceptions.
II
Absolute legality
Every action is legally validated before execution. No grey zones. Every piece of evidence collected is defensible in proceedings.
III
Admissible evidence
Chronological, factual reports, usable before a court, by a lawyer or by an insurance company.
IV
Total confidentiality
Encrypted data, Swiss hosting, no subcontracting, secure destruction of files.
Investigation method
Six steps. One protocol.
Protocole interne · validé juridiquement
01
Confidential analysis
Discreet meeting with a licensed investigator. Assessment of the situation, legal framework, and objectives.
02
Legal validation
Every mission is framed by Swiss law. Scope of action, authorized methods, evidence admissibility.
03
Action plan
Targeted surveillance, cross-referencing, digital investigation. Detailed briefing before execution.
04
Evidence collection
Documents, photos, lawful recordings. Chain of custody documented at every step.
05
Full report
Structured, dated, court-admissible document. Technical annexes, chronology, supporting items.
06
Follow-through
Coordination with your lawyers, insurers or advisors as needed. Hearing attendance on request.
A few words from our clients
A few words, anonymized as standard.
« Following a tip-off from one of my clients, I engaged the agency to verify a situation involving unfair competition. Sadly confirmed across several employees. Excellent guidance for both the civil and criminal follow-up. »
Vincent
Director, construction company · Vaud
« Excellent experience with this investigator, who was attentive and quickly understood my situation. Highly professional and considerate, offering invaluable advice. A reliable service I recommend without hesitation. »
Aurélie
Private client
« I hired Duo Guardians for a suspicious sick leave case (claimed work accident). Rest therapy, he said. And the ski trip…? »
Samuel
Director, construction company · Valais
First conversation
One conversationto assessyour case.
Confidential 30-minute meeting, no commitment. You walk us through your situation, we tell you what the law allows and what we recommend.
Réf · DG-2026-XXXDélai de réponse · < 24 h ouvréesConfidentialité · Niveau A