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.
If you want to contact one of our overseas branches or offices directly, please use our Worldwide Network page.
Please use our Inquiry Form if you have any questions and opinions about Mitsui & Co., Ltd.'s products or services.
Please contact us via the inquiry form if you have any questions or opinions about our sustainability.
Inquiries and Request of IR meeting for Investors.
If you want to set up a link to the Mitsui & Co., Ltd. website, please contact us using the Links from Other Websites form.