| 1984-12 |
Former President Shiro Tsuruno established IR Japan Inc. as Japan's first IR specialized company |
| 1985-01 |
Started supporting the planning and creation of annual reports for listed companies |
| 1997-10 |
Former President Shiro Terashita joined the company, initiating Japan's first investigation into foreign and domestic institutional shareholders |
| 1998-05 |
Launched Japan's first SR (Shareholder Relations / voting rights exercise support) consulting business |
| 1999-10 |
Established Japan's first standing proxy and custodian network |
| 2000-04 |
Built Japan's first buy-side network |
| 2001-04 |
Built Japan's first analyst network |
| 2002-02 |
Registered as an honorary international participant of the Council of Institutional Investors in the United States |
| 2004-03 |
Opened Japan's first IR/SR specialized office in New York |
| 2005-09 |
Built Japan's first hostile takeover monitoring radar, 'Stock Watch' |
| 2006-03 |
Launched IR site for individual shareholders, 'Shareholder Plaza' |
| 2007-10 |
Established in Ota Ward, Tokyo with capital of 10 million yen (for MBO of the former IR Japan Inc.) |
| 2007-10 |
Established IR Japan Holdings Corporation for the purpose of MBO of the former IR Japan |
| 2007-12 |
Decided at an extraordinary general meeting to move the head office to Minato Ward, Tokyo |
| 2008-02 |
Fully acquired the former IR Japan Inc. through share exchange |
| 2008-04 |
Merged with the former IR Japan Inc., with the surviving company renamed IR Japan Inc. |
| 2008-04 |
Merged with the former IR Japan for the purpose of streamlining management resources; the surviving company changed its trade name |
| 2011-03 |
Listed on the JASDAQ (Standard) of Osaka Securities Exchange |
| 2012-03 |
Registered as a Type 1 Financial Instruments Business Operator, 'Kanto Finance Bureau Director (Kinsho) No. 2624' |
| 2012-04 |
Started securities agency business |
| 2013-07 |
Listed on Tokyo Stock Exchange JASDAQ (Standard) (due to the integration of Osaka Securities Exchange's cash market) |
| 2013-07 |
Listed on Tokyo Stock Exchange JASDAQ (Standard) |
| 2015-02 |
IR Japan delisted from Tokyo Stock Exchange JASDAQ (Standard) and relocated its head office from Minato Ward, Tokyo to Kasumigaseki, Chiyoda Ward |
| 2015-02 |
IR Japan established the company through a sole share transfer method: the company's common stock listed on Tokyo Stock Exchange JASDAQ (Standard) |
| 2015-02 |
IR Japan delisted from Tokyo Stock Exchange JASDAQ (Standard) following the establishment of the parent company |
| 2015-02 |
Relocated the head office from Minato Ward, Tokyo to Kasumigaseki, Chiyoda Ward, Tokyo |
| 2015-02 |
Establishment |
| 2015-06 |
Transitioned to a company with an Audit and Supervisory Committee |
| 2017-06 |
Changed market to Tokyo Stock Exchange Second Section |
| 2017-12 |
Obtained TOKYO PRO Market J-Adviser qualification |
| 2018-01 |
Established 'Marunouchi Office' in Marunouchi, Chiyoda Ward, Tokyo |
| 2018-01 |
Succeeded the back-office business from I-R Japan to BCS through company split |
| 2018-01 |
Established I-R Business Consulting Staff Inc. as a wholly owned subsidiary of I-R Japan |
| 2018-09 |
Designated as a stock on Tokyo Stock Exchange First Section |
| 2019-06 |
Registered as a Type 1 Financial Instruments Business Operator (business specified under Article 2, Paragraph 8, Item 9 and Item 2 of the Financial Instruments and Exchange Act) |
| 2019-06 |
Registered change of Type 1 Financial Instruments Business Operator |
| 2021-02 |
Established a wholly owned subsidiary, JOIB Corporation, in Marunouchi, Chiyoda Ward, Tokyo (currently a consolidated subsidiary) |
| 2021-02 |
Established JOIB Corporation in Marunouchi, Chiyoda Ward, Tokyo (currently a consolidated subsidiary) |
| 2021-02 |
Established JOIB Inc., a wholly owned subsidiary, in Marunouchi, Chiyoda Ward, Tokyo |
| 2022-04 |
Transitioned to the Tokyo Stock Exchange Prime Market |
| 2022-05 |
Established IR J Business Consulting Staff Corporation (BCS) as a wholly owned subsidiary in Kasumigaseki, Chiyoda Ward, Tokyo |
| 2022-05 |
Established IR J Business Consulting Staff Corporation as a wholly owned subsidiary in Kasumigaseki, Chiyoda Ward, Tokyo (currently a consolidated subsidiary) |
| 2022-07 |
Transferred back-office business from IR Japan to BCS through company split |