More details

Entire Site

Why DEISO Training
People clapping at a conference meeting
Why DEISO Training

training programs: Designed for enterprise, industry professionals, and advanced learners. Expert-led instruction: Delivered by highly qualified specialists with strong academic and industry backgrounds. Advanced training materials: Continuously updated, professionally developed materials including datasets, case studies, tools, and structured documentation. Practical, implementation-focused learning: Beyond theory — real-world applications, exercises, and industry-based case studies. Structured knowledge transfer & skill development: Focused on building operational capability, not just conceptual understanding. On-demand, flexible training models: One-to-one or group training, with no minimum enrollment constraints.…

Read more
1500 844 DEISO
Logo Concept & Download

DESIO Logos: Concept & Downloads Right click on each logo you want to download and select "save as" environmental intelligence, premium training, and advanced sustainability solutions.Together, these elements communicate DEISO’s integrated, forward-thinking identity — rooted in impact, innovation, and global responsibility. 🌀 Symbol (Left Side) The DEISO symbol is a circular, continuous form composed of layered gradients transitioning from Slate Gray to Blue, and then to Green. Each arc carries symbolic weight:Slate Gray represents the industrial world — a starting…

Read more
150 150 DEISO
DEISO Capacity Building, Training Programs & Courses for Sustainability Professionals
Man giving presentation to colleagues at computers.
DEISO Capacity Building, Training Programs & Courses for Sustainability Professionals

Globally delivered across 35+ countries through remote, on-site, and off-site training formats ESG professionals Industrial organizations and consultants Government and institutional entities Independent consultants and practitioners Postgraduate students and researchers What You Actually Gain This is not just a course. It is a professional capacity-building engagement delivered through premium training programs and courses. By the end of a DEISO training program or course, participants are able to: Apply methodologies directly to real business cases Build internal systems, including LCA models,…

Read more
1500 844 DEISO
Product Carbon Footprint
Colorful Earth with swirling atmospheric patterns
Product Carbon Footprint

Product Carbon Footprint is More than Carbon Dioxide CO2 Emissions The term "carbon footprint" refers to a measure that considers not only emissions of carbon dioxide but also emissions of other greenhouse gases. The term "carbon footprint" comes from "carbon dioxide and other greenhouse gases."The effects of each type of greenhouse gas on the climate are measured in terms of how much CO2 they are "equivalent" to producing. This is due to different greenhouse gases' varying capacities to contribute to…

Read more
1448 1024 DEISO
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.

Start Typing

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

Latest News

Engineering the Future of Sustainable Performance

Toggle Dark Mode