If you have a question, you can also refer to our list of questions asked by customers under "Frequently Asked Questions."

Sumitomo Mitsui Trust Holdings, Inc.

03-6256-6000 (Main Number)

Sustainability Inquiries

For inquiries about asset management, inheritance and wills, home loans, etc. and various business operations such as contract details, please directly contact the Bank or a branch that handles the transaction.

Sumitomo Mitsui Trust Bank, Limited

03-3286-1111 (Main Number)

List of Contactsopen link in new window"Japanese only"

Please Note Before Contacting Us

Please read this first before contacting us.

  • We try to respond to all inquiries as quickly as possible, but depending on the content of the inquiry we may not be able to provide an answer or it may take some time to respond.
  • Please understand that inquiries submitted on Saturday, Sunday, national holidays, and other business holidays will be answered after the next business day.
  • The content in any response from our company is intended only for the individuals who made the inquiry, so please refrain from forwarding or reusing any part of the answers.
  • Our company shall carefully handle any personal information you provide when filling out inquiries, and the information shall only be used to respond to the inquiry. It shall not be disclosed to third parties or used for any other purpose without permission from the individual who had made the inquiry.
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