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2025-11-20

How to Collect Evidence When a Japanese Contractor Fails to Deliver from San Francisco

When a Japanese outsourcing partner stops responding after receiving payment, it can quickly‥More

2025-11-18

Who Is My Colleague Meeting Off Duty in Misawa?

Living and working in Misawa can raise many questions about trust and safety, especially whe‥More

2025-11-17

How to Check If a Japanese Startup Investment Is Legitimate from California

Many overseas investors from California are approached by Japanese startups offering exclusi‥More

2025-11-14

A Coworker Might Be Leaking My Work Information in Sapporo

For many expats working in foreign companies in Sapporo, the workplace can feel secure and p‥More

2025-11-13

How to Verify If a Japanese Business Partner Is Legitimate from San Francisco

When you are based in San Francisco and planning to do business with a Japanese company, con‥More

2025-11-11

A Technical Trainee in Akita City Has Stopped Coming to Work

In Akita City, it is not uncommon for technical trainees to suddenly disappear from their wo‥More

2025-11-10

How to Safely Locate a Child Taken to Japan from Los Angeles

If your child has been taken from Los Angeles to Japan—often by a spouse or family mem‥More

2025-11-07

Lost Contact with a Friend in Sendai City – Support for International Students

Living in a new country as an international student can be challenging, especially when a cl‥More

2025-11-06

What to Do When Your Ex-Husband in Japan Stops Paying Child Support – From Los Angeles

If you are living in Los Angeles and your ex-husband in Japan stops paying child support, it‥More

2025-11-04

Want to Know Your Husband’s Activities Outside Work in Sendai

For expats living in Sendai, uncertainty about how a husband spends his time outside of work‥More

2025-11-03

How to Check If Your Husband in Japan Is Cheating – Practical Steps from Los Angeles

If you live in Los Angeles and suspect your husband in Japan is having an affair, confirming‥More

2025-10-31

Checking the Daily Life of a Researcher in Tsuruoka City

Living in Japan as an international resident often raises questions when you need reliable i‥More

2025-10-28

International Litigation Support: Hiring a Private Investigator in Japan

When dealing with international lawsuits, gathering reliable evidence in Japan can be a majo‥More

2025-10-24

Labor Issues and Harassment Investigations in Japan

Workplace conflicts such as harassment, discrimination, and unfair labor practices can be di‥More

2025-10-21

How to Find the Heirs of a Deceased Japanese Business Partner

When a Japanese business partner passes away, locating their rightful heirs can be complex, ‥More

2025-10-17

Internal Data Leak Monitoring in Japan

Companies operating in Japan may face the risk of internal data leaks, which can result in f‥More

2025-10-14

Investigating Cyber Attacks Traced to Japanese IP Addresses

Cyber attacks are a growing global threat, and in some cases, malicious activity is traced b‥More

2025-10-10

Real Estate Title and Ownership Investigation in Japan

Understanding property ownership in Japan can be complex, especially for those living overse‥More

2025-10-07

How to Confirm the Location and Activities of an Important Witness in Japan

When a legal case or personal matter depends on the testimony of a key witness in Japan, ens‥More

2025-10-03

Ongoing Monitoring of Japanese Joint Venture Partners

When entering or maintaining a joint venture in Japan, ensuring that your partner company op‥More

2025-09-30

Investigating Illegal Business and Fraudulent Practices in Japan

Illegal business practices and fraudulent operations are serious issues for both individuals‥More

2025-09-26

Background Check Japan: Verify Candidates and Executives Before Hiring

When hiring a Japanese executive, business partner, or candidate, conducting a thorough back‥More

2025-09-25

A Missing International Student Suddenly Disappeared in Morioka City

When a fellow international student suddenly stops attending classes or disappears without n‥More

2025-09-23

Collecting Evidence in Japan for International Litigation

International lawsuits often require evidence from Japan, whether related to individuals, bu‥More

2025-09-22

My Husband in Misawa Seems to Be Seeing Another Woman Outside the Base

Life in Misawa City can be stressful when doubts about a partner’s loyalty arise. Many‥More

2025-09-19

Finding Missing Family Members in Japan: Support for Japanese descent Relatives

Many Japanese descent individuals come to Japan alone for work, leaving families worried whe‥More

2025-09-18

Lost Contact After Meeting Someone at New Chitose Airport

Meeting someone during your travels can be unforgettable, but losing contact details may fee‥More

2025-09-16

Visa Renewal and Residency Extension Investigation Support in Japan

When renewing a visa or applying for a residency extension in Japan, immigration may require‥More

2025-09-15

Lifestyle and Connections of People Met in Niseko Hokkaido

Niseko and Kutchan in Hokkaido are popular destinations for both long-term residents and sho‥More

2025-09-12

Real Estate Background Check in Japan for Foreign Investors

Investing in real estate in Japan can be highly rewarding, but it requires careful verificat‥More

Investigation requests
for all location in Japan acceptableAREA

【Hokkaido】
Hokkaido  
【Honshu】
Aomori  Iwate  Akita  Miyagi
Yamagata  Fukushima
Tokyo  Chiba   Saitama  Kanagawa
Gunma  Tochigi  Ibaraki
  
Niigata  Nagano  Yamanashi  Toyama
Ishikawa  Fukui  
Shizuoka  Aichi  Gifu  Mie
Osaka  Kyoto  Nara  Shiga  
Hyogo  Wakayama
Tottori  Shimane  Okayama  Hiroshima
Yamaguchi
【Shikoku】
Kagawa  Ehime  Tokushima  Kochi
【Kyushu】
Fukuoka  Nagasaki  Saga  Oita  Kumamoto 
Miyazaki  Kagoshima  Okinawa
【Asia】
Singapore  Indonesia  Thailand  Vietnam  Malaysia 
Taiwan
【Head office】
Detective Agency Japan

Investigation requests for all location in Japan acceptable