Trusted & Confidential Investigators
18+ Years of Investigative Excellence
Detective Agency in Switzerland
Spy Detective Agency in Switzerland brings 18+ years of expertise to highly confidential personal and corporate investigations.
Our Investigative Expertise
Why Clients Trust Our Private Investigators in Switzerland?
24x7 Rapid Response
As a trusted detective agency in Switzerland, we deploy experienced private investigators and surveillance teams 24/7. Our swift, discreet investigations uncover the truth in personal, matrimonial, and corporate investigations.
18+ Years of Proven Expertise
Backed by over 18 years of intense professional experience, our elite investigators navigate complex legal landscapes and intricate behavioural patterns, boasting an exceptional success rate in both matrimonial and corporate sectors.
Advanced Asset Tracing
Having traced over $200 Million in hidden assets in 2025 alone, our financial forensic team delivers comprehensive, legally sound asset verification reports for high-net-worth divorce settlements and corporate due diligence.
Specialised TSCM Service
Utilising military-grade TSCM debugging equipment, our technical specialists secure executive offices and private residences against unauthorised surveillance, mitigating severe corporate and personal risks within hours.
The Intelligence Network Behind SDA
Detective Agency in Switzerland for Matrimonial And Corporate Investigations.
Spy Detective Agency is a professional Private Detective Agency in Switzerland, offering discreet, intelligence-led, and result-oriented investigation services for individuals, corporates, and legal professionals. We deliver verified intelligence, factual clarity, and confidential support in sensitive matters where truth, accuracy, and discretion are critical for decision-making.
With over 18+ years of experience in private investigation and intelligence operations, Spy Detective Agency has successfully managed complex, high-risk, and cross-border cases with consistent accuracy and operational excellence across international assignments.
The agency is led by Founder & Chief Investigator Rohit Malik, an intelligence professional specialising in surveillance strategy, investigative coordination, and complex case management.
Operating across Switzerland, including Zurich, Geneva, Basel, Lausanne, and Bern, we provide nationwide investigative support tailored to both personal and corporate requirements with strict confidentiality and legal compliance.
Our services include matrimonial investigations, extramarital affair verification, corporate fraud detection, employee background verification, cybercrime investigations, surveillance operations, missing person tracing, asset verification, and due diligence. Every case is executed through structured intelligence planning, field verification, and documented evidence collection to ensure reliable and legally usable outcomes.
We operate using a modern intelligence framework that integrates trained field operatives, advanced surveillance systems, and strict confidentiality protocols to ensure every assignment is handled with discipline, legality, and complete client protection.
Spy Detective Agency remains committed to delivering truth-driven investigative solutions that help clients across Switzerland make confident personal and corporate decisions with clarity, trust, and security.
Award-Winning Investigation Standards
What Makes Spy Detective Agency Different in Switzerland?
Spy Detective Agency is registered with The Government of Switzerland & an award-winning private investigation agency in Switzerland. Spy Detective Agency is among the best detective agencies in Switzerland, solving all types of investigative cases across Switzerland with a 100% efficiency rate.
- 15000+ cases solved
- Client centric approach
- In-House Laboratory
- 100% Secrecy Assured
- Client Satisfaction
- Experienced Agents
- Global Presence
- 24x7 Hours Support
39K+ Happy clients all over world.
[ CLIENTS FEEDBACK ]
Client testimonial & real success stories
Matrimonial Detectives Services gave by the Spy detective agency was exceptionally powerful for me for taking the marriage choice. I came to know this private detective agency from Internet and read every one of the audits before giving these services benefits in Switzerland.
Private Detectives Switzerland is a Spy Detective Agency really, I know this firm from recent years. They helped me for my divorce case i.e. Post Marital Investigation service. I was rationally hassled by my in laws and Spy Detective Agency, Detectives in Switzerland helped me to give me genuine facts.
I have taken a worker screening work with this organization as a HR and I discovered great expert investigation/detectives services from this organization. Wish them best respects for what's to come.
Hire the Best
#1 Detective Agency in Switzerland
Spy Detective Agency is a leading Detective Agency in Switzerland, offering discreet, fast, and result-driven investigation services for individuals, corporates, and legal professionals. We are trusted for delivering verified intelligence, actionable insights, and confidential support in sensitive matters where truth, speed, and accuracy are critical for decision-making.
We specialize in handling complex and high-stakes investigations across Switzerland where precision, legality, and discretion are essential. Our services include matrimonial investigations, extramarital affair verification, corporate fraud detection, employee background verification, cybercrime investigations, surveillance operations, missing person tracing, asset verification, and due diligence.
Unlike conventional agencies, our approach is built on deep intelligence extraction methods, combining behavioural tracking, field verification, and structured surveillance planning to uncover facts that standard reporting systems often miss.
Every assignment is executed with disciplined operational control in Switzerland, ensuring evidence is properly verified, documented, and suitable for personal, legal, or corporate decision-making. Our investigators operate under strict confidentiality protocols and advanced surveillance systems, ensuring complete protection of client identity and sensitive information without compromise.
We also support cross-border intelligence coordination for complex multi-jurisdictional cases, ensuring faster resolution and higher accuracy in outcomes.
When uncertainty affects personal or business decisions, waiting increases risk. A structured, intelligence-led investigation provides the clarity needed to act with confidence.
Spy Detective Agency remains committed to delivering truth-driven investigative solutions that help clients in Switzerland make informed decisions with clarity, security, and complete discretion.
our services
PERSONAL DETECTIVE
Personal Investigation
Professional personal investigation services including surveillance, background verification, missing person investigations, relationship inquiries, and evidence collection.
Cyber Investigation
Advanced cyber investigation services focused on uncovering digital fraud, tracking cybercriminal activities, recovering critical data, and identifying online threats through forensic analysis.
Physical Surveillance
Discreet physical surveillance operations designed to monitor activities, gather evidence, and provide accurate intelligence for personal, matrimonial, and corporate investigations.
Adultery Services
Confidential adultery investigation services to uncover extramarital affairs, verify suspicions, and provide reliable evidence with complete discretion and professionalism.
Post Matrimonial Investigation
Post-matrimonial investigation services to verify infidelity, uncover extramarital affairs, monitor suspicious activities, and gather reliable evidence discreetly.
Pre Matrimonial Investigation
Pre-matrimonial investigation services to verify background, family status, employment, financial stability, and personal credibility before marriage.
Loyalty Test Investigations
Discreet loyalty testing designed to assess relationship commitment, identify deceptive behaviour, and provide clarity through evidence-based investigation.
Surveillance Investigation
Advanced surveillance investigations focused on monitoring activities, gathering evidence, and uncovering critical information with discretion.
Extramarital Affair Investigation
Specialised extramarital affair investigations designed to uncover hidden relationships, verify suspicions, and provide reliable evidence with complete discretion.
Divorce Case Investigation
Strategic divorce case investigations aimed at uncovering hidden assets, documenting misconduct, verifying claims, and collecting evidence for legal proceedings.
Person Background Verification
Comprehensive personal background verification covering identity checks, employment history, financial records, reputation assessment, and credibility.
Financial Fraud Investigation
Elite financial fraud investigations dedicated to exposing complex fraud schemes, tracing concealed assets, uncovering financial misconduct, and safeguarding valuable interests.
our services
CORPORATE DETECTIVE
Corporate Investigation
Specialised corporate investigations delivering actionable intelligence, risk assessment, fraud detection, and evidence-based insights to safeguard business interests.
Pre Employment Verification
Comprehensive pre-employment verification delivering accurate background checks, credential validation, and risk assessment for confident hiring decisions.
Post Employment Investigation
Specialised post-employment investigations focused on uncovering misconduct, protecting confidential information, & mitigating business risks.
Corporate Due Diligence
Corporate due diligence investigations focused on verifying business credibility, uncovering hidden risks, validating ownership details, and assessing financial reliability.
Company Asset Investigation
Trace hidden assets, verify ownership records, uncover financial discrepancies, and safeguard business interests through discreet investigations.
Labor Cases Investigation
Investigate workplace disputes, employee misconduct, labor law violations, and employment-related claims with accurate evidence and discretion.
Intellectual Property Rights
Safeguard intellectual property with investigations into trademark infringement, copyright violations, brand misuse, and trade secret theft backed by verified evidence.
Debugging and Sweeping
TSCM sweeping and electronic debugging to detect hidden bugs, GPS trackers, surveillance devices, and listening equipment through precise inspection.
Business Competitor Investigation
Business competitor investigation to uncover strategies, analyse pricing structures, assess market position, and deliver actionable competitive intelligence.
Company Employee Verifications
Assess identity, employment history, credentials, and background to support trustworthy hiring decisions and reduce workplace risks.
Theft and Pilferage Investigation
Identify internal theft, pilferage, stock losses, and suspicious employee activities through discreet investigation and evidence collection.
Undercover Operation
Covert field intelligence gathering to expose hidden activities, monitor targets discreetly, and collect actionable evidence for critical cases.
Legal Assistance
Enable legal proceedings with evidence gathering, documentation support, dispute analysis, and court-ready investigative findings.
Sting Operation
Fraud exposure missions to validate suspicious conduct, capture live evidence, and deliver actionable findings through discreet surveillance operations.
Polygraph
Advanced polygraph examination delivering scientifically backed truth verification for legal disputes, corporate inquiries, and sensitive personal matters.
Join the 1000+ companies benefiting from SDA
Spy Detective Agency in one of the Best Detective Agency in India. We have been in this field of Private Investigation from the last 15 years. We have known to be the largest team of Investigator in India. They are specially trained and have working experience from the various government and private organization.
Our Authenticity verification mantra is check, recheck and counter check, thus we eliminate all the chances of information not being unauthentic.
It depends upon the complexity of the case. Some operations take month, some weeks and some days. Once we get the details of the assignment we will be able to give you a time-scale.
We need all the information that you have as like: His physical Description/or photo, home and work address, vehicle information, time and place to start, And the reason or intention behind the investigation. If require we will also verify the details of the client and the purpose of his wanting investigation.
Our Charges are bases on the type of operation that we are going to investigate. Once we get the details of the assignment we will be able to give you a time-scale and budget to being the operation.
You may collect your report personally for the office or we send it via mail. We also give daily reports as well where the client has this need.
At least you have to pay 75% Advance of the payment and rest of the 25% after finalized the case.
We Works 24x7x365 Days. You can get in touch us with any time.
They offer a full range of private and corporate investigation services including personal investigations, matrimonial and divorce case investigations, background checks, missing person tracing, corporate investigations, and more.
Yes — services include matrimonial infidelity checks, post‑matrimonial investigations, infidelity evidence gathering, and relationship investigations.
Frequently Asked Questions
Our Promise
Privacy Assurance
At Spy Detective Agency, we understand that absolute discretion is the cornerstone of any successful investigation, which is why we guarantee 100% privacy and confidentiality for every client. Safeguarding your identity and sensitive data is our highest priority, from your initial 24/7 free consultation through to the delivery of the final evidence. With over 18 years of trusted experience managing complex personal and corporate cases across Switzerland, our seasoned investigators strictly adhere to ironclad non-disclosure protocols. When you partner with our dedicated team, you can be confident that your case will be handled with the utmost secrecy, professionalism, and ethical rigors, ensuring your peace of mind remains completely protected while we uncover the truth.
Get in touch today for a friendly, discrete & confidential consultation with one of our Private Investigators. Don't hesitate in sharing your actual problem.
Spy Detective Agency's professional private investigators and detective agents provide low cost, affordable and accurate estimates without any hidden cost.
All of our Private Investigators are highly qualified and professionally trained for all situations & events and maintaining over 90% success rate.