| 1988年 |
Established Net One Systems Co., Ltd., for the purpose of LAN sales |
| 1989年 |
Opened West Japan Office (now Kansai Branch) |
| 1989年 |
Launched exclusive sales of Cisco Systems multi-protocol routers in Japan |
| 1990年 |
Opened Hazama Distribution Center (now Quality Control Center) |
| 1991年 |
Registered and certified as a system service company by the Ministry of International Trade and Industry (now Ministry of Economy, Trade and Industry) |
| 1992年 |
Opened Nagoya Sales Office (now Chubu Office) |
| 1992年 |
Licensed as a specific construction business operator (telecommunication engineering business) by the Tokyo Metropolitan Government |
| 1994年 |
Relocated head office to Shinagawa City |
| 1995年 |
Established Tennoz Initiative Inc. (now Net One Systems USA, Inc.), a US subsidiary that focuses on conducting market research and developing cutting-edge technologies |
| 1995年 |
Opened Tsukuba Sales Office (now Tsukuba Office) |
| 1996年 |
Opened Sapporo Sales Office (now Hokkaido Branch) |
| 1996年 |
Opened Fukuoka Sales Office (now Kyushu Branch) |
| 1996年 |
Relocated West Japan Office (now Kansai Branch) |
| 1996年 |
Registered shares as an over-the-counter company with the Japan Securities Dealers Association |
| 1999年 |
Certified as Cisco Systems Gold Certified Partner |
| 2000年 |
Integrated and expanded Technical Center and Quality Control Center Opened Hiroshima Office |
| 2000年 |
Opened Tohoku Office (now Tohoku Branch) |
| 2001年 |
Acquired ISO9001 certification for Quality Control Center Listed on the First Section of the Tokyo Stock Exchange |
| 2002年 |
Opened Takamatsu Office |
| 2004年 |
Obtained ISO14001 certification company-wide |
| 2005年 |
Opened Toyota Office |
| 2007年 |
Opened Expert Operation Center (XOC) as an integrated operation service facility |
| 2008年 |
Certified as VMware "VIP Premier Partner" |
| 2008年 |
Invested in Xseed Co., Ltd., which designs and constructs ICT infrastructure and provides server services |
| 2008年 |
Established Net One Partners Co., Ltd., which specializes in collaborative business endeavors with partner companies |
| 2009年 |
Obtained ISO27001 certification company-wide |
| 2010年 |
Acquired additional shares of Xseed Co., Ltd., and made the company a consolidated subsidiary |
| 2010年 |
Acquired Privacy Mark Certification(“P Mark”) for personal information protection company-wide |
| 2012年 |
Established Solution Briefing Center, a next-generation ICT platform demonstration facility |
| 2012年 |
Opened Singapore Representative Office (now Net One Systems Singapore) |
| 2013年 |
Integrated and expanded Quality Control Center and Service Quality Center Redesigned corporate logo |
| 2013年 |
Relocated head office to Chiyoda City |
| 2013年 |
Opened Tennozu Office in Shinagawa City |
| 2014年 |
Established Net One Systems Singapore Pte. Ltd., as a local subsidiary in Singapore |
| 2016年 |
Opened Okinawa Branch (now Okinawa Office) |
| 2017年 |
Established Security Operations Center (SOC) as a security monitoring facility Invested in Asiasoft Solutions Pte. Ltd., which is engaged in the cloud infrastructure business in ASEAN |
| 2017年 |
Established Net One Connect G.K., which provides cloud platform software packages |
| 2017年 |
Opened Hokuriku Office |
| 2018年 |
Started offering Net One 'all in' Platform subscription service |
| 2018年 |
Absorbed and merged with Xseed Co., Ltd. |
| 2018年 |
Made a subsidiary of eXtreak, Inc., which has robust technological capabilities in facility services |
| 2019年 |
Established Net One Business Operations G.K. to provide office services |
| 2019年 |
Established Net One Next Co., Ltd. to expand subscription services |
| 2019年 |
Acquired shares of Asiasoft Solutions, made it a group company and renamed it Net One Asia Pte. Ltd. |
| 2020年 |
Established Net One Briefing Center, Lab as a Service (nBC&LaaS), a dedicated facility that contributes to accelerating customer’s digital transformation |
| 2022年 |
Selected as a constituent stock of the MSCI Japan Empowering Women (WIN) Select Index |
| 2022年 |
Net One Group announces a new corporate mission |
| 2022年 |
Launched financial support program (endowment) for students enrolled at national and public universities |
| 2022年 |
Selected as a constituent stock of the JPX-Nikkei Index 400 |
| 2023年 |
Launched “net one valley,” an innovation center |
| 2024年 |
Recognized as a 2024 Certified Health & Productivity Management Outstanding Organization (Large Enterprise Category) |
| 2024年 |
Started providing Managed One, a new service portfolio |
| 2024年 |
Joined the SCSK Corporation group |
| 2025年 |
Delisted from the Tokyo Stock Exchange Prime Market |
