Professional
Investigation
Services in Japan
Background Checks, Missing Person Investigations, Due Diligence, and Infidelity
Investigations Nationwide.
About Us
Mylena Investigation Office is a licensed private investigation agency headquartered in Minami-Aoyama, Tokyo, serving clients throughout Japan and around the world.
We specialize in assisting international clients who require professional investigative services in Japan. Whether you are seeking to locate a person, verify information, conduct a background investigation, or address a sensitive personal or business matter, our experienced investigators provide reliable support on the ground.
All investigations are conducted in strict compliance with Japanese law and with the utmost discretion. We communicate in English throughout the entire process, ensuring clarity, transparency, and peace of mind from consultation to completion.
News
2026/6/30
Articles
“Infidelity Investigations in Japan: Evidence, Divorce, and Legal Considerations”
2026/6/30
Articles
“How to Locate Someone in Japan From Overseas”
2026/6/10
Articles
“Can You Conduct a Background Check on Someone in Japan?”
2026/6/4
Articles
“Identity Verification in Japan: What You Can Find Out”
Service
Every investigation is conducted with the utmost discretion, professionalism, and strict compliance with Japanese law. Whether your matter is personal or business-related, we provide accurate information, clear communication, and reliable investigative support to help you make informed decisions with confidence.
Infidelity Investigation
Discreet surveillance and evidence gathering to verify a partner's fidelity.
Pre-Marriage Background Check
Confidential background investigations designed to provide clarity and peace of mind before making one of life's most important decisions.
Locate Someone in Japan
Professional tracing services to help locate family members, former contacts, friends, or other individuals believed to be in Japan.
Personal Background Check
Professional verification of an individual's identity, background, and credibility to help you make informed personal or business decisions.
Fraud Investigation
Discreet investigations into suspected fraud, scams, and deceptive activities to protect your personal or business interests in Japan.
Due Diligence & M&A Investigation
Comprehensive investigations of Japanese companies and individuals to support informed business decisions, investments, and mergers and acquisitions.
Company
Name
Mylena Investigation Office
Representative
Norihiko Udagawa
Phone
+81-3-6824-7262
Address
Aoyama Marutake Bldg. 6F, 3-1-36 Minami-Aoyama, Minato-ku, Tokyo 107-0062
License No.
30260005