Corporate Summary

Company Overview

ItemDetails
Company NameGMO GlobalSign Holdings K.K.
EstablishedDecember 1993
Number of Employees
(Consolidated)
Full-time: 962, Part-time: 30
(As of December 31, 2025)
Capital916.9 million yen
(As of December 31, 2025)
Listed MarketPrime Market, Tokyo Stock Exchange
(Securities Code: 3788)
RepresentativeAoyama Mitsuru, President & CEO and Executive Officer
Business Activities・Digital Certificate and eSignature Segment
・Cloud Infrastructure Segment
・Digital Transformation Segment

We operate GlobalSign, a top-tier Certificate Authority (CA), delivering digital authentication and electronic signature technologies to government agencies and enterprises in 11 countries worldwide.
Our solutions support cutting-edge technologies such as AI, IoT, and blockchain, and are designed to remain effective even in the emerging era of quantum computing. By combining trusted authentication with exceptional cost performance, we are committed to enabling and supporting the growth of a secure digital society.
Sales PartnersAbout 5,900 companies
(As of December 31, 2025)
Telecommunications Business NumberRegistered Telecommunications Carrier A-11-3204
Qualified Invoice Issuer Registration NumberT7011001037734
CertificationISO 27001
OfficesTokyo Head Office / Osaka Branch / Shimonoseki Branch

Board Members and Executive Officers

TitleName
President & CEO and Executive OfficerAoyama Mitsuru
ChairmanKumagai Masatoshi
Vice President & Executive OfficerChujo Ichiro
Executive Officer (Director)Ikeya Susumu
DirectorYasuda Masashi
Akiyama Yukari
Director (Audit and Supervisory Committee Member)Nakajima Akihiko
Mizukami Hiroshi
Okada Masahito
Senior Managing Executive OfficerKarasawa Minoru
Managing Executive OfficerMasuda Yoshihiro
Yamada Yuichi
Takenobu Koji
Executive OfficerUmehara Makoto
Chujo Katsuo
Tanaka Satoko
Hiroe Jiro

For the profile of each officer, please see the List of Directors and Executive Officers.

Office Locations

Tokyo Head Office

ItemDetails
Address10F Cerulean Tower, 26-1 Sakuragaoka-cho, Shibuya-ku, Tokyo 150-8512, Japan
TEL+81-3-6415-6100
FAX+81-3-6415-6101

Osaka Branch

ItemDetails
Address23F Grand Front Osaka Tower B, 3-1 Ofuka-cho, Kita-ku, Osaka-shi, Osaka 530-0011, Japan
TEL+81-6-6136-7970
FAX+81-6-6374-0192

Shimonoseki Branch

ItemDetails
Address3F Estrust Dai-2 Building, 1-2-10 Hosoe-cho, Shimonoseki-shi, Yamaguchi 750-0016, Japan
TEL+81-83-228-1193
FAX+81-83-228-1194

For detailed access to each office, please see the Access page.

Affiliated Organizations

  • Japan Internet Providers Association
  • Cloud Business Alliance
  • Industrial Internet Consortium
  • IoT Acceleration Consortium
  • Wi-SUN Alliance
  • Tokyo Building Maintenance Association
  • Japan Building Energy Management Technology Association
  • Japan Network Security Association
  • Japan Trust Service Forum
  • Japan Digital Trust Forum
  • Cyber Security Alliance