About us

key visual

We will continue to provide new value to our customers with reliable technology based on our extensive experience.

About us

Company NameShirushi Inc.
Establishment Date2017/9/1
Banking Partner
  • Sumitomo Mitsui Banking Corporation
  • Jounan Shinkin Bank
  • Hokuriku Bank
Composition of Executives

President and CEO: Manabu Sakurada

  • Group Head, FX Group, Monex, Inc.
    Contributed to revenue growth in the currency exchange business.
  • Founding member of Decurrent (now part of Sony Group), a crypto asset exchange affilated with IIJ.
  • Managed the dealing team at Decurrent.
CEO Manabu Sakurada

Director CTO: Tomihisa Yamazaki

  • Gaitame.com Built a 16-year career at a leading FX broker, culminating as Head of Quants. He achieved industry-leading profitability by designing sophisticated algorithmic trading strategies and proprietary systems.
  • DeCurret (Sony Group) A founding member who spearheaded the core business architecture and monitoring infrastructure. His technical leadership was pivotal in securing the exchange’s official regulatory license.
Director CTO Tomihisa Yamazaki
Outside Director

Takatane Kiuchi (Former member of the House of Representatives)

Bachelor’s degree from Keio University.He has been a member of the Bank of Tokyo-Mitsubishi, Ltd.(London Branch, Sales Headquarters, etc.),Investment Banking Division, Merrill Lynch Japan Securities Co.(managing director),Elected Member of the House of Representatives in Japan(Has held key positions including Director of the Committee on Financial Affairs, Director of the Committee on Foreign Affairs, Director-General of the International Bureau, and Acting Secretary-General. Played a leading role as Director of the Committee on Financial Affairs during the enactment of the revised Payment Services Act (commonly known as the Crypto Currency Act).)。Served as representative director, executive officer, auditor, and adviser for listed companies.Standing Director, Metaverse Promotion Council.

Advisor Takatoshi Kiuchi
Outside Corporate Auditor

Kazuya Toriumi

Certified public accountant/tax accountant
High-Tech & Semiconductors:Statutory Auditor (Nanotechnology development, etc.),Finance & Trusts:Statutory Auditor (Type II Financial Instruments Business, Management-type Trust Business),Medical & Welfare:Auditor / Inspector (Medical Corporation),Technical Certification & Non-Profits:Auditor / Director (Infrastructure repair technology, Nature conservation activities),Business Support:Director (Overseas and domestic market development support for manufacturers)

Audit & Supervisory Board Member Kazuya Toriumi
Ambassador

Takahisa Karita

Serial entrepreneur and global adviser. As a co-founder of UNIPLAT (Unify Platform AG, Switzerland), he has supported entrepreneurs and researchers in over 135 countries. As CFO of CDTEC China, he led the deployment of educational technology to more than 5,000 kindergartens.Mizzle is a senior mentor, member of the Forbes Business Council, and advisor to several companies and organizations, including the EU Tech Chamber (SDG Alliance Board), Tsangs Group, and S2P Prosperity.

Ambassador Takahisa Karita
Finance Adviser

Isamu Yorikane

Defense Academy of Japan graduate. Former private banker at Mizuho Financial Group serving ultra-high-net-worth clients (assets of JPY 3 billion+), with 25 years of experience—the longest tenure in Japan. Currently serves as Representative Director (CEO) of NDA Co., Ltd., providing advisory services. Acts as an external CFO, adviser, and board-level consultant to listed-company owner families and other corporate principals. The firm operates with staff based not only in Japan but also in Singapore, Dubai, and other locations.

Financial advisor Lai Jinyong
FounderNaoki Okura
Legal CounselTakashi Itai (Foresight Law Office)
Affiliated Associations
Capital17,180,000 yen
Business Description
  • Product development and consulting business related to blockchain
  • Data Center Business
  • Server research, development, operation, and sales business
Email addressinfo@shirushi.io
Location

Headquarters

〒190-0022
5F Olympic Nishikicho Building 2-3-3 Nishikicho, Tachikawa-shi, Tokyo, Japan.

Shirushi Co., Ltd. Head Office

Tama Research and Development Center (Tokyo Metropolitan Industrial Technology Center)

〒196-0033
Industrial Support Square TAMA 301, 3-6-1 Azuma-cho,Akishima-shi, Tokyo, Japan.

Development Research Institute of Shijirushi Co., Ltd. located in a facility in Tokyo

Toyama Branch (Data Center)

Toyama City, Toyama Prefecture

Toyama Branch (Data Center)

Kanda Marketing Headquarters

〒101-0044
2-7-15 Kajicho,Chiyoda-ku, Tokyo, Japan.

Kanda Marketing Headquarters

Overseas Group Companies

Company NameSRS Inc.
Establishment Date2024
Business ActivitiesCoin issuance and management operations
Address

Capital Union 8ank Building, P.O.  Box N-1879,
Western Road, Lyford Cay, Nassau, Bahamas

Issuer and operator of Sign Coin (SISC) based in the Bahamas
Company NameSRS SG PTE LTD
Establishment Date2023
Business ActivitiesProduct Sales
Address

3 PHILLIP STREET #17-01 SINGAPORE 048693

Singapore