Head on this page.

Privacy Policy Regarding the Protection of Customers' Personal Information

Mizuho Securities Co., Ltd. (Business Operator Handling Personal Information)

Mizuho Securities Co., Ltd. (hereinafter the "Company") hereby establishes and announces the "Privacy Policy Regarding the Protection of Customers' Personal Information" (the "Policy"), which sets out the Company's philosophy regarding its efforts to protect personal information and the approach to adopt when handling personal information.

(Policy for the Initiative)

The Company recognizes appropriate protection and use of personal information to be an important social responsibility, and makes every effort to appropriately protect and use personal information when conducting business, by complying with the Act on the Protection of Personal Information, other related laws and regulations, and the internal rules of the Company including the Policy.

(Proper Acquisition)

The Company will acquire personal information by proper and lawful means, to the extent necessary for conducting business.

(Intended Use)

The Company will specify the intended use of personal information and will not use it beyond the specified purpose. Furthermore, if limitation on the intended use of certain personal information is separately specified on the basis of laws and regulations, the Company will not use the said personal information beyond the said purpose.

(Limitation on Providing Personal Information to a Third Party)

The Company will not provide personal information to any third party in principle unless the individual concerned has agreed to such use, or unless provision of information to a third party is conducted based on the law. However, the Company may provide personal information to third parties without customer consent in the following cases:

  • The Company entrusts the handling of personal information to a third party, to the extent necessary to achieve the intended use.
  • The Company is one of the parties in a merger.
  • The Company uses personal information jointly with designated entities that are separately specified.

(Handling of Sensitive Information)

The Company will not, without customer consent, acquire, use or provide to any third party sensitive information (e.g. information relating to political affiliation, religion, labor union membership, race, ethnicity, family lineage, legal domicile, and health and medical status) unless either authorized by law or if the said information is used only to the extent necessary in order to conduct business.

(Security Measures)

The Company will maintain and manage accurate and up to date personal information and put in place reasonable security measures in order to prevent leakage of information, and will also properly supervise employees and parties entrusted with the handling of personal information.

(Continuous Improvement)

The Company will continuously review the Policy based on the development of information technology and the changes in social demand, and improve the handling of personal information.

(Procedures for Requesting Disclosure)

The Company will endeavor to properly and promptly cope with the following requests from customers concerning the personal data held by the Company:

  • Notification of the intended use
  • Disclosure of contents
  • Correction, addition, partial deletion when the data contents do not reflect facts
  • Partial or complete suspension of use
  • Partial or complete suspension of provision to third parties

(Customer Opinions and Requests)

The Company will endeavor to cope with customer opinions and requests concerning the handling of personal information sincerely and promptly.

(Intended use)

The intended use of personal information by the Company is set out on its website below:


Please contact either the branch where you hold an account or the below contact by telephone or by sending a letter, for any comments or inquiries you may have.

Office : Department responsible for receiving complaints: Customer Relations Office
Address : 1-5-1, Otemachi, Chiyoda-ku, Tokyo 100-0004
Telephone : 0120-324-051
Business hours : 8:40 a.m. - 5:10 p.m., Monday - Friday
(excluding December 31 - January 3 and national holidays)

<Authorized Personal Information Protection Organizations>

The Company is a member of the Japan Securities Dealers Association, the Japan Investment Advisers Association, and the Financial Futures Association of Japan, which are personal information protection organizations authorized by the Financial Services Agency. The following contacts may also be used for complaints and consultation concerning the handling of personal information.

[ Japan Securities Dealers Associations Personal Information Consultation Office ]

Telephone : 03-3667-8427
URL : http://www.jsda.or.jp/

[ Japan Investment Advisers Association Secretariat Grievance Office (Personal Information) ]

Telephone : 03-3663-0505
URL : www.jiaa.or.jp/

[ The Financial Futures Association of Japan The Personal Information Consultation Office ]

Telephone : 03-5280-0881
URL : http://www.ffaj.or.jp/

<Methods of obtaining personal information and principal operations outsourced>

[Principal methods of obtaining personal information]

The Company may obtain personal information in the following ways:

  • Through documents filled in or submitted by customers, such as application forms for products or services
  • From joint users, etc. within the Company group.
  • From published books, etc., newspapers, or the Internet.

[Principal operations outsourced]

The Company outsources part of its operations. Also, the operations for which the Company lets service providers handle personal information include:

  • Printing and dispatching documents to be sent to customers;
  • Operations where professional legal and accounting advice, etc. is provided;
  • Operations concerning the management and maintenance of information systems

Corporate Information

Group Companies

Mizuho’s Brand Strategy

It moves to the head on this page.
It moves to the head on this page.