Company Overview

EstablishedJanuary 7, 2004
Head OfficeCerulean Tower, 26-1 Sakuragaoka-cho, Shibuya-ku, Tokyo 150-8512
Chief Executive Officer
Ryuji Kozu
Chief Corporate Officer
Mitsuaki Nakagawa
  • Yuta Imai
  • Toshiya Yamashita
  • Tadashi Ito
Masashi Yasuda
Yuri Konno
Business Activities
  • Consulting for corporate brand building
  • Domain registration, renewal, and management optimization
  • Investigation and risk management for domain name holders and usage
  • Trademark registration support and brand protection
  • Investigation and risk management for trademark holders and usage
  • Monitoring of counterfeit products and websites, and other risk management activities
  • Support for registration and utilization of brand TLDs
Capital100,000,000 yen
Fiscal Year EndDecember 31
Number of Employees75 people

as of June 2024

Head office exterior


January 2004Company established
February 2005Relocated to Nihonbashi
July 2005Accredited as an official registrar for .eu domains
November 2008Ryuji Kozu became Chief Operating Officer
Released the cloud-based intellectual property data management tool, BRANTECT
Accredited as an ICANN recognized registrar
May 2010Moved to Hatchobori
July 2012Established Okinawa branch
August 2012Established Korea branch
January 2013Headquarters moved to Kasumigaseki
March 2013Opened Kansai regional office
November 2013Ryuji Kozu became Chief Executive Officer
Mitsuaki Nakagawa became Chief Operating Officer
May 2014Selected as a "Job Creation" company by Shin-Nippon Limited Liability Audit Corporation (now EY Japan)
Established Vietnamese Company (CÔNG TY TNHH BRIGHTS VIỆT NAM)
October 2015Capital partnership with GMO Internet Group Corporation
January 2016Changed company name to GMO Brights Consulting Inc.
Headquarters moved to Shibuya
December 2021Acquired ISMS (Information Security Management System) certification at headquarters
May 2022Changed the company name to GMO BRAND SECURITY Inc.
October 2023Established West Japan branch

Access map

Head Office

Cerulean Tower, 26-1 Sakuragaoka-cho, Shibuya-ku, Tokyo 150-8512
TEL:+81-3-5784-1069   FAX:+81-3-3462-5040

  • 5 minutes on foot from the West Exit of Shibuya Station on all JR lines.
  • 7 minutes on foot from Shibuya Station on all Tokyo Metro lines.
  • 5 minutes on foot from the Central Exit of the Keio Inokashira Line.

List of Offices

West Japan Branch Office

  • Location: 23rd Floor, Grand Front Osaka Tower B, 3-1 Ofukacho, Kita-ku, Osaka 530-0011 Map
  • Phone: +81.6-7777-2280

Okinawa Branch Office

  • Location: 10th Floor, JPR Naha Building, 1-1-19 Matsuyama, Naha, Okinawa 900-0016 Map
  • Phone: +81.98-863-8668

Korea Branch Office

  • Branch name: GMO BRAND SECURITY Inc. Korea Branch
  • Location: 4th Floor, Shinil Building, 425 Teheran-ro, Gangnam-gu, Seoul, South Korea Map

Vietnam Corporation

  • Location: Unit 801B, 8th Floor, Ha Do Airport Building, 02 Hong Ha St, Ward 02, Tan Binh Dist, Ho Chi Minh City Map
  • Website:
Practical Book on Web Brand Security

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