Prior to establishment of Nippon Securities Technology Co., Ltd.
| 1974,March | New Japan Securities Information System established |
|---|---|
| 1974,September | Wako Data Center established Online System (the First generation) put into operation |
| 1983,October | Kyodo Computer Service established |
| 2000,October | Establishes Shinko Computer System by the merger of New Japan Computer System and Wako Computer System |

Nippon Securities Technology Co., Ltd.
| 2001,July | Nippon Securities Technology Co., Ltd. established through merger of joint computer service with Shinko Computer System |
|---|---|
| 2003,March | Registered and certified as system integrator |
| 2003,May | NSTechno-phone Manager sales commence |
| 2003,December | ISO9001:2000 certification |
| 2004,July | New Shinko Securities STAGE system Stage 1 (ordering and contracts) enters operation |
| 2005,February | ISMS Ver. 2.0 and BS7799-2:2002 certification Scope of certification: Operation service for accounting systems |
| 2005,March | New Shinko Securities STAGE system Stage 2 (online systems) enters operation |
| 2006,October | New Shinko Securities STAGE system Stage 2 (batch systems) enters operation |
| 2007,March | Changeover to ISMS Ver. 2.0 ISO27001 |
| 2007,November | NSTechno-Job Assistant sales commence |
| 2008.October | NSTechno-AssetManager Platform sales commence |
| 2009,January | Shinko Securities fully adopts digital share certificates |
| 2009,April | Changeover to ISO9001:2008 |
| 2009,May | System interconnection associated with merger ofShinko Securities and Mizuho Securities |
| 2010,January | Mizuho Securities adopts Tokyo stock exchange's next-generation “Arrowhead” share trading system |
| 2011,April | NSTechno-phone Navi sales commence |
|---|---|
| 2011,May | Mizuho Securities Net Club fully operational |
| 2013,January | System support for merger of Mizuho Securities and Mizuho Investors Securities |
| 2013,June | NSTechno-phone Harmony sales commence |
| 2013,July | Changes to deal with merger of Tokyo and Osaka stock exchanges |
| 2013,August | Aladdin peripheral system service introduced |
| 2014,January | Changes to deal with introduction of NISA |
| 2015,June | System support for branch intermediation with Mizuho Bank |
| 2015,September | Changes to deal with Arrowhead upgrade by Tokyo stock exchange |
| 2016,January | Changes to deal with My Number ID number system Changes to deal with junior NISA accounts |