Toku AI Assistant AI

DEISO Contact & Quotation Inquiry

Request Context

Indicate whether your request is related to a real project or organizational need.

Request Details Guidance

Provide a concise and technically relevant description of your request to support accurate evaluation and quotation.

To improve clarity and response speed, include:

  • Product, system, or organizational context
  • Requested service (e.g., LCA, EPD, PCF, GHG, Scope 3)
  • Objective (e.g., compliance, reporting, decision-making)
  • Target market or standard (e.g., EU, EN 15804)
  • Timeline or deadline (if applicable)

If your request is brief or unclear, our team may follow up to request additional details to support accurate technical evaluation.

Contact Info.

English Address:
Level 21 Shiodome Shibarikyu Building
1-2-3 Kaigan, Minato-ku
105-0022 Tokyo, Japan.

Japanese Address:
〒105-0022 東京都港区海岸1-2-3
汐留芝離宮ビルディング21階, 合同会社DEISO.

Phone (JP): 03-5403-6479 / 0488-72-6373
Phone (EN): 070-6969-7700
Fax: 03-5403-6475 / 0488-72-6373
Email: info@dei.so

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