Enterprise Inquiry & Quotation Request

For organizations seeking sustainability advisory, environmental assessment, capacity building, or technical consulting support.
Our team typically responds within 24 hours. To ensure a timely response, please submit your message in English or Japanese.

Enterprise Inquiry & Quotation Request

Provide the relevant information to support an initial review and an appropriate response from DEISO.

Contact Page/Quotation

About your project:

About Your Training Needs:

Online payment notice

Please note that some institutions and organizations may not accept online payment methods. Should this apply to your circumstances, we recommend confirming with your finance department before proceeding.

Please revise your selection:

Selection adjustment required

Email pricing is not available for on-site training engagements, whether conducted within or outside Japan. To proceed, kindly return to the previous step and select “An official quotation with net cost.”


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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