TUV Rheinland Japan
Yokohama, Japan
First ISMS-AC accredited ISO/IEC 42001 certification body in Japan.
ISO 42001 AI man…ISO 27001 certif…
- records
- 1
- team
- 200+
- founded
- 1985
Tokyo-listed governance, risk and compliance specialist.
L2Cross-referenced, highest level reached
1 cross-referenced
Verified against independent sources
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GRCS Inc. is a L2-verified AI-implementation provider based in Tokyo, Japan, delivering iso-27001-audit, pci-dss-audit, vendor-risk-assessment. Ranked on proof, 1 verified records on the Trustgent index.
What they build
GRCS is a Marunouchi-headquartered specialist founded in 2005 that positions itself as a pioneer of the GRC (governance, risk and compliance) practice in Japan and is listed on the Tokyo Stock Exchange Growth Market. Its consultants cover ISMS/ISO 27001 acquisition support, enterprise and supplier risk management, and it appears on the JCDSC domestic QSA list as a PCI DSS Qualified Security Assessor. Around 213 employees combine advisory work with in-house GRC cloud tooling.
Quick facts
- HQ
- Tokyo, Japan
- Founded
- 2005
- Team
- 201-500
- Languages
- ja, en
- Stack
Capabilities
- ISO 27001 certification
- PCI DSS assessment
- Vendor & third-party risk
Industries served
- Financial services
- Manufacturing & industrial
Regulatory readiness
Cross-referenced against public registries where a public source exists (L2+). The check mark marks an attribute we have a source for, see the proof page.
About GRCS Inc.
What does GRCS Inc. build?
GRCS Inc. is a L2-verified AI-implementation provider on Trustgent, delivering ISO 27001 certification, PCI DSS assessment, Vendor & third-party risk.
Where is GRCS Inc. based?
GRCS Inc. is headquartered in Tokyo, Japan.
How is GRCS Inc. verified on Trustgent?
GRCS Inc. has an EARNED verification level of L2 on Trustgent, with 1 contributing verified records (most recent verification: 2026-07-04). Verification is independent of any subscription, plan tier is never a ranking input.
How is GRCS Inc. ranked?
Rank is a pure function of three EARNED signals: verification level (dominant), record count, and recency. No plan, fee, spend, or paid placement is ever an input. See https://trustgent.com/how-we-rank.
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