Private Investigation Services
Depending on the nature of your consultation, we consider carrying out investigations such as person searches, whereabouts checks, conduct investigations, and credit checks.
Consultation Desk for Overseas Person Searches, Infidelity Investigations and Background Checks
Please start with a free consultation+81-3-5368-2475Open 24 hours! Our AI Consultant is also available
COMPANY PROFILE / TSK INTERNATIONAL
TRUST BUILT ON EXPERIENCE
Since our founding in 2000, we have built up our approach to investigation and our sincere care for every client.
Since its founding in 2000, Tokyo General Detective Agency has handled a wide range of investigation consultations, centered on Tokyo. Today, drawing on our nationwide network, we provide investigations and proposals tailored to each client's circumstances.
TSK INTERNATIONAL carries on this approach to investigation. It is an international investigation site that handles consultations on overseas-related issues, centered on the Philippines and also covering Thailand, Vietnam and other countries.
*2000 is the year Tokyo General Detective Agency was founded.
OUR PHILOSOPHY
Only people can
help people.
No matter how much society changes, the principle we hold most dear remains the same.
Many of those who request an investigation are carrying problems they cannot discuss with anyone, or circumstances they find difficult to confirm on their own.
We do not simply deliver investigation results. We value support that looks beyond them, toward resolving the underlying problem.
Consultations vary by client, whether infidelity investigations, person searches, or credit checks. In overseas investigations, differences in language, systems, and customs can make fact-finding even more difficult.
That is why we approach each consultation with sincerity, and take care to explain clearly the investigation methods suited to your situation and the path toward your next decision.
CORPORATE INFORMATION
Basic information on Tokyo General Detective Agency, which operates TSK INTERNATIONAL.
Consultations regarding our investigation services are accepted through our operating desk in Japan.
BUSINESS ACTIVITIES
At Tokyo General Detective Agency, we focus on investigation and consultation services, and are also committed to training investigators.
Depending on the nature of your consultation, we consider carrying out investigations such as person searches, whereabouts checks, conduct investigations, and credit checks.
We help organize the details of your consultation and explain what needs to be confirmed and which investigation methods are appropriate.
We are committed to developing people who support the quality of our work, including the knowledge and skills needed for investigations, legal compliance, and the handling of information.
As a desk where you can consult from Japan about overseas matters, we confirm the purpose of the investigation and the conditions of the target country.
LEGAL COMPLIANCE
Conducting proper investigations is the fundamental responsibility of an investigation company.
Tokyo General Detective Agency places importance on proper operations in accordance with the Private Investigation Business Act. So that clients can make requests with peace of mind, our basic principle is to conduct investigations in compliance with the law.
Our policy is to never carry out unlawful investigations or acts that could lead to human rights violations, and to ensure proper procedures and responsible conduct.
Tokyo Metropolitan Public Safety Commission
This is notification information concerning the private investigation business in Japan. This notification does not automatically grant authority to conduct investigations in other countries.
We check the laws of the target country and local systems and conditions, and consider methods that can be carried out.
We handle the details of your consultation and the information entrusted to us with care, according to the purpose of the investigation.
We distinguish between confirmed facts and unconfirmed matters, and take care to organize information so that it can serve as a basis for your decisions.
OFFICE LOCATION / TOKYO
Here is the location of Tokyo General Detective Agency and how to get there.
〒160-0022
1-1-5 Shinjuku, Shinjuku-ku, Tokyo
Sakae Gyoen Mansion 3F
Exit via Exit 2 and head left, then turn right at the MUFG Bank ATM corner. After reaching the road along Shinjuku Gyoen, turn left at the corner of La Boheme, and you will find us just ahead.
Exit via the East Exit and head right toward Shinjukugyoemmae. Turn right at the MUFG Bank ATM corner to reach the road along Shinjuku Gyoen, then turn left at the corner of La Boheme. Our building is the second one on that street.
Exit via the South Exit and head left toward Shinjuku Gyoen. The building next to La Boheme is the one where our office is located.
PRIVATE CONSULTATION SPACE
A calm consultation environment where you can speak with peace of mind.
We take care to create a calm environment so that clients can talk about their circumstances with peace of mind.
In a bright, clean consultation room, we listen carefully to your situation. We value organizing the details of your consultation and explaining the necessary investigation in an easy-to-understand way.

TSK INTERNATIONAL / CONTACT DESK
We accept consultations on overseas investigations, centered on the Philippines and also covering Thailand, Vietnam, and other countries.
We will consider the most suitable approach for your circumstances, including person searches, international marriage background checks, infidelity and conduct investigations, overseas corporate credit checks, and investigations into overseas disputes.
YOUR INQUIRY IS THE FIRST STEP.
※Whether an investigation can be carried out depends on the target country, region, the nature of your inquiry, and other factors. Submitting an inquiry alone does not constitute an investigation contract.