BroadBand Security (BBSec)
HQ: JapanVerified
Tokyo-based security services firm listed by the PCI SSC as a QSA company.
PCI DSS auditors (QSA companies) in Japan
15 Verified · PCI DSS · office in Japan · Verified first · All PCI DSS firms · All firms in Japan
These firms have a current official-registry listing for PCI DSS (PCI SSC Qualified Security Assessor list) and a published office in Japan. Listings are checked facts, not endorsements or rankings.
BSI Group Japan
HQ: JapanVerified
Yokohama-based certification body accredited by ISMS-AC for ISO/IEC 27001 (ISMS), ISMS cloud security (ISO/IEC 27017), ISO/IEC 27701 and ISO 22301 (business continuity) certification, also listed by the PCI SSC as a QSA company.
Deloitte Tohmatsu Cyber LLC
HQ: JapanVerified
Tokyo-based cybersecurity firm of the Deloitte Tohmatsu Group listed by the PCI SSC as a QSA company.
GRCS
HQ: JapanVerified
Tokyo-based governance, risk and security services firm listed by the PCI SSC as a QSA company, with an office in Yokohama.
ICMS
HQ: JapanVerified
Tokyo-based certification body accredited by ISMS-AC for ISO/IEC 27001 (ISMS) and ISMS cloud security (ISO/IEC 27017) certification, also listed by the PCI SSC as a QSA company.
ICMS Solutions
HQ: JapanVerified
Tokyo-based information security services firm listed by the PCI SSC as a QSA company.
Leon Technology
HQ: JapanVerified
Tokyo-based security firm listed by the PCI SSC as a QSA company, with offices in Osaka, Fukuoka and Takaoka.
Tokyo, Tokyo · Osaka, Osaka · Fukuoka, Fukuoka · +1 more
NEC Security
HQ: JapanVerified
Tokyo-based security services company of the NEC group listed by the PCI SSC as a QSA company.
Net One Systems
HQ: JapanVerified
Tokyo-based network and IT systems integrator listed by the PCI SSC as a QSA company.
NRI SecureTechnologies
HQ: JapanVerified
Tokyo-based security services firm listed by the PCI SSC as a QSA company, with offices in Yokohama, Osaka and Irvine, California.
Tokyo, Tokyo · Yokohama, Kanagawa · Osaka, Osaka · +1 more
NTT DATA INTELLILINK
HQ: JapanVerified
Tokyo-based IT and security services company listed by the PCI SSC as a QSA company, with an office in Osaka.
Secure Pro
HQ: JapanVerified
Tokyo-based payment security firm listed by the PCI SSC as a QSA company.
SP Compliance
HQ: JapanVerified
Tokyo-based firm providing PCI DSS assessments, listed by the PCI SSC as a QSA company.
TISI Inc.
HQ: JapanVerified
Tokyo-based IT services company (TISI Inc., formed by the July 2026 merger of TIS and INTEC) listed by the PCI SSC as a QSA company.
UBsecure, Inc.
HQ: JapanVerified
Tokyo-based security assessment firm listed by the PCI SSC as a QSA company.
Other frameworks in Japan: ISO 27001 (28) · ISMAP (8) · ISO 27701 (7)
Other PCI DSS locations: Tokyo city, Japan · Tokyo prefecture, Japan · Kanagawa · Osaka city, Japan · Osaka prefecture, Japan · Yokohama
FAQ
How many PCI DSS firms are listed in Japan?
15 Verified firms are listed for PCI DSS with an office in Japan. This is not a ranking.
Which registry do you check for PCI DSS?
We check PCI SSC Qualified Security Assessor list. A framework tag appears only when that registry listed the firm at last check.
Which cities have the most listed firms?
Tokyo (14), Osaka (3), Yokohama (3), Fukuoka (1), Takaoka (1).
How do I get matched with a listed firm?
Use Get matched or the auditor-match form on this page. A listing is a set of checked facts, not an endorsement. Get matched.
See the listing method. Pages exist only where at least 3 Verified firms match both the framework and the location.
Related guides: PCI DSS QSA companies · HITRUST External Assessors
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