Private Investigators & Detectives

English-speaking detectives that perform undercover work including stake outs, following cheating spouses or lovers, child abduction cases, divorce, mystery shopping, competitive intelligence, locating missing people and private investigative work.

Competitive intelligence, fraud, spousal infidelity, locating missing people
Detective and research agency. Located at Mizorogi Building, 1-4-13 Shinjuku, Shinjuku-ku.
Private investigation and risk protection group.
Detective agency for cheating investigation, marriage fraud, fight against stalkers, bullying abuse, trial data collection, background check and whereabouts survey. Located at 3-7-1 Shimane, Adachi-ku.
Data investigation, people search, surveillance, executive protection and undercover agents.
Background check, marriage investigation, adoption and human resources research, credit check and industry research. Located at 4-20-1 Sendagaya, Shibuya-ku.
Detective agency for personal state and corporate relationship research. Located at Izumishoji Hitotsugi Building 5F, 3-19-9 Akasaka, Minato-ku, Tokyo 107-0052.
Private Detective Agency in Tokyo, Japan. Office located at 3-2-27 Nishi-Shinjuku.
Full range of intelligence and risk management services, from due diligence to background checks, competitor intelligence and intellectual property rights protection. Located at Ryumeikan-honten Building 12F, 3-4 Kandasurugadai, Chiyoda-ku.
Nationwide hotline for people search.
Investigations Japan helps solve cases of fraud, blackmail, stalking, spousal infidelity, embassy proxy services, stop divorce, stop adoption, copyright search, pre-employment background check & more.
Business and competitive intelligence services. Tokyo office is located at NITTO Building 6F, 126 Yaraicho, Shinjuku-ku.
Private investigator. Tokyo office located at Yamada Building 2F, 5-18-11 Nishi-Nippori, Arakawa-ku.
Private investigation firm serving individuals, businesses, law firms, investors and insurance companies. Located at 2-6-20-504 Kitashinjuku, Shinjuku, Tokyo 169-0074.
Private investigation for cheating, affairs and divorce.
Detective and investigation agency for marital issues, employee verification, under-cover operations, missing person investigation, corporate and fraud, theft, surveillance, shadowing investigation, recovery services, tracing individuals and companies.
Investigation services in Japan range from surveillance, limited records research and locate investigations.
17 Listings