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Domestic Network and Affiliates

Domestic Network

Leveraging our retail branch network and wholesale offices in Japan, we cater to the investment banking and asset management needs of individuals and institutions.

Domestic Subsidiaries and Affiliates

Principal Investment

Mizuho Securities Principal Investment Co., Ltd.
Address 2-5-1 Kanda-Surugadai, Chiyoda-ku, Tokyo 101-0062, Japan
Telephone number 03-5577-7300
Description of main business Principal investment business


Japan Investor Relations and Investor Support, Inc.
Address 1-17-10 Nihonbashi, Chuo-ku, Tokyo 103-0027, Japan
Telephone number 03-5144-0290
Description of main business Consulting and education business
URL http://www.j-iris.com/english/index.html


Mobile Internet Capital, Inc.
Address 3-2-5 Kasumigaseki, Chiyoda-ku, Tokyo 100-6004, Japan
Telephone number 03-6811-1050
Description of main business Venture capital business
URL http://www.mickk.com/en/

Head Office Support

Nippon Securities Technology Co., Ltd.
Address 1-28-23 Shinkawa, Chuo-ku, Tokyo 104-0033, Japan
Telephone number 03-3553-6331
Description of main business Software development business
URL http://www.nstec.jp/English/index.html
Mizuho Securities Business Service Co., Ltd.
Address 6-3-2 Toyo, Koto-ku, Tokyo 135-0016, Japan
Telephone number 03-5677-3800
Description of main business Process outsourcing services
Mizuho Securities Property Management Co., Ltd.
Address 1-20-6 Nihonbashi, Chuo-ku, Tokyo 103-0027, Japan
Telephone number 03-5144-0270
Description of main business Real estate leasing and management business
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