More details

News

Announcing the launch of “Product Carbon Footprint” our brand-new calculation service.
Industrial chimney emitting colorful smoke at sunset.
Announcing the launch of “Product Carbon Footprint” our brand-new calculation service.

We're excited to announce the launch of "Product Carbon Footprint," our brand-new calculation service. We help businesses figure out their carbon footprint and devise ways to make their operations less harmful. Product Carbon Footprint is considered not just CO2 emissions but also the other six emissions. A "Product Carbon Footprint" study is a sort of "Life Cycle Assessment" (LCA) one. A "carbon footprint" is a measurement that includes not just carbon dioxide emissions but also other greenhouse gas emissions. The…

Read more
597 1024 DEISO
Introducing the “Special Life Cycle Assessment Training Program: Manual Calculation Approach”
Two people celebrating success with business charts.
Introducing the “Special Life Cycle Assessment Training Program: Manual Calculation Approach”

The "Special LCA Training Program: Manual Calculation Approach" aims to teach participants how to perform a full Life Cycle Assessment (LCA) manually, from the cradle to the grave, using Microsoft Excel but without the use of any LCA software. The main advantage of this course is that it explains in detail how LCA calculations work in each of the phases of "classification," "characterization," "normalization," "weighting," and "Life Cycle Impact Assessment LCIA". Using a case study that includes raw material extraction,…

Read more
1448 1024 DEISO
Our Circular Economy services now have detailed info available.
Circular economy: Reuse resources, minimize waste, improve efficiency.
Our Circular Economy services now have detailed info available.

  DEISO offers 10+ services for Circular Economy (CE) and how to help for the transition to CE. Information about our CE services is now available via this at

Read more
1024 1024 DEISO
We have released a detailed article about GHG Scope 3 emissions & our services for Scope 3.
Scope 3 Emissions services and solutions by DEISO.
We have released a detailed article about GHG Scope 3 emissions & our services for Scope 3.

We have made extensive information about Scope 3 GHG emissions accounting and the services we provide for Scope 3 GHG accounting available to the public. The article can be accessed

Read more
1024 1024 DEISO
A vacancy for a database engineer is open
Hiring database engineer in Japan, apply at Deiso.
A vacancy for a database engineer is open

Job description The database engineer of this position is responsible for designing, creating, implementing, updating, and working with databases schema, importing, exporting, and integrating existing databases in desktop-based software and cloud applications. The database engineer also implements optimized, secured, and cohesive database design and then utilizes data replication schemes to create consistency across distributed database sets. The database engineer will extensively involve a team of researchers, programmers, and designers to develop environmental desktop software and cloud-based applications that serve a…

Read more
1024 1024 DEISO
Introducing DEISO’s Partnership & Business Collaboration Program
Business handshake over city skyline, partnership concept.
Introducing DEISO’s Partnership & Business Collaboration Program

We are pleased to introduce the Channel Partner Program of DEISO.  At DEISO, we are open to partnerships with other companies as channel partners in various forms of collaboration and cooperation. While you are invited to join us to discuss a potential partnership with your business, we highlight the potential of a business partnership on the program’s page at

Read more
1300 731 DEISO
Advanced LCA Capacity Building: Introducing the Next-Level Training Program and Courses
People in advanced LCA training program session
Advanced LCA Capacity Building: Introducing the Next-Level Training Program and Courses

News Advanced LCA Capacity Building: Introducing the Next-Level Training Program and Courses DEISO is pleased to introduce the next level in its Life Cycle Assessment (LCA) training programs and courses—the Advanced LCA Training Program, designed to extend foundational knowledge into deeper analytical, modeling, and implementation capability. This advanced program represents a structured progression from DEISO’s core LCA training programs and courses, supporting professionals and organizations in moving from basic understanding toward applied lifecycle modeling, impact interpretation, and sustainability decision-making within…

Read more
1300 731 DEISO
Life Cycle Assessment (LCA) Capacity Building: Introducing the Basic Training Program and Courses
Instructor leading life cycle assessment training session.
Life Cycle Assessment (LCA) Capacity Building: Introducing the Basic Training Program and Courses

News Life Cycle Assessment (LCA) Capacity Building: Introducing the Basic Training Program and Courses DEISO is pleased to introduce the Life Cycle Assessment (ISO 14040/14044 framework) Goal and scope definition for LCA studies Life Cycle Inventory (LCI) data collection and structuring Introduction to Life Cycle Impact Assessment (LCIA) Interpretation of LCA results for decision-making Overview of tools, databases, and modeling approaches used in LCA Designed for Practical Application Unlike purely academic training, DEISO ESG teams consultants and analysts seeking LCA…

Read more
1300 731 DEISO
We are hiring a Software Engineer
Hiring Software Engineer in Sendai, Japan, Full Time.
We are hiring a Software Engineer

DEISO is hiring a Software Engineer to join our team for software development. The successful candidate will develop environmental sustainability software in collaboration with a Database Engineer and Senior Researchers. Required skills and requirements: -Full fluency in .Net-Full fluency in Java-Strong skills in Agile-Strong skills in MySQL-Strong background in #C-Solid mathematical skills-Data modeling-Ability to design and implement desktop dashboards-Analytics skills-Problem-solving skills-Can-do attitude-Rich experience in developing desktop software with .NET and Java.-Ability to learn environmental engineering and environmental

Read more
1080 1080 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