GRCS Corporation | OpenBizGraph

§01

Basic information

BASIC

Head office: 1-1-1 Marunouchi, Chiyoda-ku, Tokyo, Palace Building 5F
Chief executive: Yoshikazu Sasaki
Capital: 131,000,000 　(1 100 million)
Employees (non-consolidated): 209 people
Employees (consolidated): 213 people
Start date: 2005-03-01
End date

§02

Websites

2 DOMAINS

https://www.grcs.co.jp/

Nhttp://www.nanaroq.com/

§03

Business

9

Security-related solutions businessGRCProduct salesConsultingWorker dispatch businessPaid employment placement businessGRC consultingRisk management supportCompliance support

§04

Related companies

15 COMPANIES

Company name	Group	Parent	Subsidiary	Customer	Supplier	Alliance	Bank	Shareholder
Valuate Inc. Group
Agasta Corporation Group
RSA Security Inc. Group
McAfee Corporation Group
Digital Risk Association Group
General Incorporated Association Japan Computer Security Incident Response Team Council Group
Akamai Technologies LLC Group
Autodesk, Inc. Group
Deloitte Tohmatsu Risk Services Co., Ltd. Group
EMC Japan Corporation Group
Japan Hewlett-Packard Co., Ltd. Group
Frontier X Frontier株式会社 Group
コンピュータ・アソシエイツ(現CA Technologies) Group
横河ヒューレット・パッカード(現日本HP) Group
米AT&T Bell Laboratories Group

Names without a link are companies not yet registered in OpenBizGraph

§05

Network

NETWORK

§06

History

15 EVENTS

2005-03

Frontier X Frontier founding

2009-11

Start of GRC platform business

2009-12

Company name changed to NANAROQ

2012-12

Start of security solutions business

2017-02

Launch of cloud-based external contractor risk management tool "Supplier Risk MT"

2017-03

Launch of daily vulnerability information distribution service "Vulnerability TODAY"

2017-07

Launch of incident ticket management tool for CSIRT "CSIRT MT"

2018-03

Company name changed to GRCS

2018-05

Signed Japan's first consulting partner agreement for data privacy solution "OneTrust"

2019-01

Launch of cloud-based enterprise-wide risk management tool "Enterprise Risk MT"

2019-12

Selected as one of the TOP 10 APAC Enterprise Risk Management Solution Providers by CIO Advisor

2021-11

Listed on the Tokyo Stock Exchange Mothers Market (currently Growth Market)

2021-12

Started financial technology business

2022-07

Made ValueRate Inc. a subsidiary

2023-02

Established Hong Kong branch as a financial technology development base

§07

News

20 ARTICLES

2026-10-30

Revealing Key Points of ERM for Cyber Incident Preparedness

GRCS Inc. has released a special commentary by the developer of the company-wide risk management tool "Enterprise Risk MT (ERMT)" in response to the increasing incidents of business interruptions caused by cyber attacks and system failures. The commentary outlines the importance of a system that quickly reflects on-the-ground situations into management decisions, and summarizes the essential ERM principles that executives should grasp to continue operations and mitigate damage in emergencies.

2026-10-29

Free PHP Vulnerability Check for Publicly Accessible Assets

GRCS Co., Ltd. has started offering a free "Simple Risk Check" that allows you to quickly confirm whether PHP vulnerabilities remain unrecognized and unaddressed in publicly accessible assets. By verifying assets related to your own domain, we support the visualization of publicly accessible assets and the strengthening of security measures.

2026-10-27

White Paper on Third-Party Risk Management Released

GRCS Inc. has published a white paper titled "Making Third-Party Risk Management a 'Rotating System'" that explains how to implement third-party risk management and reduce operational burden. The paper covers risk-based centralized management and continuous monitoring for management-led oversight, and explains how to address information leakage risks via subcontractors.

2026-10-23

CSIRT MT.mss 30-Day Free Trial Launch

GRCS Inc. has launched a 30-day free trial program for its integrated security risk management tool, CSIRT MT.mss. The program allows users to experience a near-real-world operation of features such as rapid incident response, automatic vulnerability extraction, and a visualization system that enables executives to grasp the damage situation and progress of countermeasures.

2026-10-22

Extended AI-Driven Security Assessment Campaign

GRCS announced the extension of its campaign offering AI-driven penetration testing at a special price, following positive reception. Amid the diversification and automation of cyber attacks that exploit AI, the company provides an opportunity for businesses to experience the latest security assessments as part of their risk management evaluation.

2026-10-21

Launch of Vulnerability TODAY Implementation Support Campaign

GRCS launches an implementation support campaign for the vulnerability information distribution service "Vulnerability TODAY". For a limited time, we will expand the trial content and support verification of rapid vulnerability response and effectiveness in environments that incorporate actual business workflows and existing systems. We reduce the burden of information collection and translation of primary information, thereby facilitating rapid patch application.

2026-10-20

Cybersecurity Special Consultation Desk Opening

In response to the increasing incidents of unauthorized access and data leaks, GRCS Inc. has established a "Cybersecurity Governance Special Consultation Desk." It clarifies the overall risk picture and specific countermeasures, supporting management-led security promotion and governance strengthening.

2026-09-24

GRCS to Exhibit at Security Days Fall 2026 Tokyo

GRCS Inc. will exhibit at Security Days Fall 2026 Tokyo, held October 21–23, 2026, and present approaches to building AI governance and advanced security measures.

2026-09-15

GRCS Receives Silver Certification as a Health and Productivity Management Organization

GRCS Inc. announced that it has received Silver certification as a Health and Productivity Management Organization after joining the Health Insurance Society of Japan’s Tokyo Federation health company declaration program and promoting employee health and a supportive workplace. The certification reflects the company’s commitment to a sustainable society and to the well-being and growth of each employee.

2026-09-10

GRCS begins offering Vanta to support security certification

GRCS Inc. signed a reseller agreement with Vanta Inc. and began offering Vanta, a platform that automates security certification and compliance operations, along with implementation support. Vanta reduces the work involved in meeting standards such as ISO/IEC 27001 and SOC 2 through evidence collection and AI-powered test automation, enabling more efficient security management. In response to the growing number of security standards and regulations, GRCS will use the service to help companies strengthen security governance.