Trusted & Confidential Investigators
18+ Years of Investigative Excellence
Detective Agency in Japan
Spy Detective Agency in Japan brings 18+ years of expertise to highly confidential personal and corporate investigations.
Our Investigative Expertise
Why Clients Trust Our Private Investigators in Japan?
24x7 Rapid Response
As a trusted detective agency in Japan, 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 Spy Detective Agency
Detective Agency in Japan for Matrimonial And Corporate Investigations.
Japan stands as one of the world’s most advanced economies, known for its leadership in technology, manufacturing, innovation, automotive industries, finance, and global business operations. In such a highly disciplined and fast-evolving environment, individuals and organisations often require verified, fact-based intelligence to make secure personal and corporate decisions.
Led by Director Rohit Malik, with over 18 years of investigative expertise, our agency manages a wide range of personal, corporate, and due diligence investigations with complete professionalism and confidentiality. Our trained male and female investigators use modern surveillance tools, field intelligence techniques, and analytical reporting systems to ensure reliable outcomes.
Spy Detective Agency provides confidential and professional investigation services in Japan for individuals, families, entrepreneurs, investors, corporate organisations, and legal professionals who need clarity in sensitive matters. Our mission is to deliver accurate intelligence through discreet operations, structured verification methods, and evidence-based reporting.
We offer services including matrimonial investigations, background verification, employee screening, corporate intelligence, business partner verification, fraud detection, surveillance operations, cyber investigations, due diligence checks, missing person tracing, asset-related inquiries, and TSCM bug sweeping to identify hidden surveillance threats.
Each investigation follows a structured workflow including requirement analysis, risk assessment, field investigation, evidence collection, and detailed reporting—ensuring clients receive clear, actionable insights.
What sets Spy Detective Agency apart is our commitment to discretion, accuracy, and actionable intelligence. We don’t just collect information—we deliver clarity that supports confident decision-making.
For clients in Japan and international locations, we also provide coordinated cross-border investigation support with complete confidentiality and professional integrity.
Award-Winning Investigation Standards
What Makes Spy Detective Agency Different in Japan?
Spy Detective Agency is registered with the Government of Japan & Award-Winning Private Investigation Agency. Spy Detective Agency is among the best detective agencies in Japan for solving all types of investigative cases across all over Japan with a 100% efficiency rate.
- 15000+ cases solved
- Client centric approach
- In-House Laboratory
- 100% Secrecy Assured
- Evidence-Based Reporting
- Experienced Investigation Team
- Global Network Presence
- 24x7 Hours Support
39K+ Happy clients all over world.
[ CLIENTS FEEDBACK ]
Client testimonial & real success stories
We were about to hire a new executive, but something in his work history didn't quite line up. We hired SDA to do a thorough background and pre-employment check just to be safe. Turns out, the candidate had completely fabricated his last two roles and had a history of workplace misconduct. The team provided a detailed, verified report that saved us from making a very expensive and damaging mistake.
When my younger brother cut off contact and disappeared, local authorities could only do so much. We were absolutely desperate. The investigators at Spy Detective Agency were so compassionate and worked relentlessly on our case. Within just a few weeks, they tracked him down safely in another city. Words can't describe how grateful our family is for their dedication.
I spent months feeling like I was going crazy, suspecting my wife was cheating but having zero proof. SDA handled my situation with so much sensitivity and respect. They gathered the photographic evidence I needed without him ever suspecting they were there. It was painful to see the truth, but I finally have the closure and legal proof I need to move on with my life
I was extremely anxious about my daughter's upcoming marriage because something just felt a bit 'off' about the groom's background. A family friend recommended Spy Detective Agency. The team was incredibly discreet and empathetic to my worries. Within a week, they provided a detailed background report that actually cleared up our doubts and verified his credentials. It gave our family such immense peace of mind. I highly recommend them to any parent wanting to be absolutely sure.
Running a mid-sized logistics company, I started suspecting that a senior employee was leaking confidential client data to a competitor. I reached out to SDA, and their professionalism blew me away. They handled the corporate investigation quietly without causing any panic in the office, and gathered solid, actionable evidence we could actually use legally. Thank you for saving our company from a potential disaster!"
During a very messy and stressful legal dispute, I had this lingering, paranoid feeling that my home office was being monitored. I called them for a bug sweep, and their technical experts arrived within hours. They were incredibly thorough and walked me through exactly what they were scanning. They actually found a hidden audio device I would have never spotted on my own. I finally feel safe in my own house again.
Going through a rough separation is hard enough, but trying to prove my ex was hiding money during our divorce settlement was an absolute nightmare. The team at Spy Detective Agency stepped in and did what I couldn't do alone. Their asset verification report was comprehensive, legally sound, and ultimately helped me get a fair settlement in court. They kept everything 100% confidential and respected my boundaries during a really tough time.
Hire the Best
#1 Detective Agency in Japan
Spy Detective Agency is a trusted private investigation firm in Japan, delivering discreet, intelligence-driven solutions for complex personal, corporate, and financial matters. We support individuals, families, business leaders, investors, and legal professionals who require verified facts before making critical decisions.
Our strength lies in combining international investigative experience with a highly trained team of male and female investigators who specialise in handling sensitive cases with complete confidentiality. Every assignment is managed with a strategic mindset, supported by advanced surveillance systems, real-time field intelligence, and structured analytical reporting.
We provide a comprehensive range of investigative services in Japan, including matrimonial verification, corporate intelligence, employee screening, fraud detection, surveillance operations, cyber investigations, due diligence checks, missing person tracing, business partner verification, asset tracking, and advanced TSCM services to identify hidden surveillance threats such as audio bugs, cameras, and GPS tracking devices.
Each case follows a disciplined workflow involving detailed requirement analysis, risk evaluation, evidence gathering, cross-verification, and professional reporting—ensuring every insight is clear, verified, and actionable.
What distinguishes Spy Detective Agency in Japan is our commitment to delivering intelligence that leads to real decisions—not assumptions. We prioritise confidentiality, accuracy, and strategic insight in every investigation we conduct.
For clients across Japan and international jurisdictions, we also provide coordinated cross-border investigation support, ensuring seamless execution of multi-location and global cases with absolute 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.
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 Japan, 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 rigour, 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.