IR Japan Holdings Inc.
株式会社アイ・アールジャパンホールディングス
IR Japan Holdings, Ltd. Alias
IR Japan, Inc. Alias
2015-02-01
TYO
Japan
Investment holding
Corporate management
Business consulting
26th Floor, Kasumigaseki Building, 3-2-5 Kasumigaseki, Chiyoda-ku, Tokyo
Shiro Terashita
860,000,000  (8 100 million)
8 people
Company name
Group Parent Subsidiary Customer Supplier Alliance Bank Shareholder
IR Japan Group
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group Subsidiary
IR Japanグループ
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group

43 entries
DateDescription
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
+ Loaded when opened
6010001165694
Trade name株式会社アイ・アールジャパンホールディングス
Trade name (kana)アイアールジャパンホールディングス
Name in English
Corporation type301
Address〒100-0013 東京都千代田区霞が関3丁目2番5号
Postal code1000013
Prefecture code13
City code101
Address outside Japan
Prefecture in English
City in English
Address outside Japan in English
Corporate number assignment date2015-10-05
Update date2018-07-18
Change date2015-10-05
Registry closure date
Reason for registry closure
Successor corporate number
Details of the change
Latest record1
Excluded from search0
Processing type01
Correction type1
Trade name image ID
Address image ID
Sequence number2022724
Source: National Tax Agency Corporate Number Publication Site, basic three items
6010001165694
Corporate number6010001165694
Trade name株式会社アイ・アールジャパンホールディングス
Trade name (kana)アイアールジャパンホールディングス
Trade name (alphabet)
Registry closure date
Reason for registry closure
Registered address東京都千代田区霞が関3丁目2番5号
Postal code1000013
Prefecture東京都
Prefecture code13
City or district千代田区
City code101
Street address霞が関3丁目2番5号
Organisation type301
Processing type01
Correction type1
Status
Representative代表取締役社長・CEO  寺下  史郎
Capital865298000
Employees8
Employees (male)
Employees (female)
Business summary
Website URL
Year founded
Business category
Date established
Unified government qualification - grade
Unified government qualification - business items
Update date2018-07-18
Key information6010001165694
Source: gBizINFO (Ministry of Economy, Trade and Industry)
2026-09-22 05:12 (Model: gpt-4.1-nano )
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