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Contact Us

For your better understanding of our services and functions, please contact us through the following windows.

* We care about your questions and concerns, and are happy to provide you as much information as possible.
Kindly accept some instances, however, where we will not be able to respond on a timely manner or we fail to provide you with satisfactory answers.
* Inquiries reaching us on Saturdays, Sundays and holidays (including the Year end and New Year holidays) will be responded on or after the first business days.


Inquiries to Overseas Branches or Offices

If you want to contact one of our overseas branches or offices directly, please use our Worldwide Network page.


General Inquiries

Please use our Inquiry Form if you have any questions and opinions about Mitsui & Co., Ltd.'s products or services.


Request for Printed Materials

If you want us to send you printed materials, please use our Request for Printed Materials Form.


Links from Other Websites

If you want to set up a link to the Mitsui & Co., Ltd. website, please contact us using the Links from Other Websites form.

These items are also available via PDF and e-book

* Mitsui's Sustainability Report will be integrated with our Annual Report.