Toggle search modal
Toggle form modal
Toggle social modal
Toggle side area
More details

Entire Site

How to Conduct an LCA Study – Why Training Is a Must
Life Cycle Assessment training process and tools illustration.
Blog Posts
How to Conduct an LCA Study – Why Training Is a Must
DEISO

Section 1: Introduction – The Rising Demand for Accurate Life Cycle Assessment (LCA)Life Cycle Assessment (LCA) has become a strategic imperative for forward-thinking organizations aiming to meet environmental standards, achieve ESG objectives, and create genuinely sustainable products. But here’s the overlooked truth: without proper training, conducting an LCA may cause more harm than good.Even with access to powerful tools like SimaPro, GaBi, and openLCA, users can easily make critical mistakes. A misstep in data selection, a poorly defined system boundary,…

Read more
1228 819 DEISO
Top Sustainability Reporting Standards Explained: GRI, CDP, SASB, and the Path to ESG Excellence
ESG reporting framework overview with key components.
Blog Posts
Top Sustainability Reporting Standards Explained: GRI, CDP, SASB, and the Path to ESG Excellence
DEISO

SECTION 1: Introduction — Why Sustainability Reporting Standards Matter NowIn today’s business landscape, sustainability is no longer optional—it’s strategic. Companies across sectors are under growing pressure from regulators, investors, and consumers to disclose their environmental, social, and governance (ESG) performance. But how exactly should this information be reported? Enter the world of sustainability reporting standards.Sustainability reporting standards provide the structure, credibility, and comparability that modern businesses need to communicate their environmental and social impacts transparently. Whether your goal is regulatory…

Read more
819 819 DEISO
Top 5 Sustainability KPIs for Businesses to Track in 2025 for Real Impact
Sustainability KPIs for 2025: energy, emissions, waste.
Blog Posts
Top 5 Sustainability KPIs for Businesses to Track in 2025 for Real Impact
DEISO

Section 1: Introduction – The Dawn of Sustainable Digital TransformationThe sustainability conversation has shifted. It’s no longer about whether businesses should act; it’s about how effectively they can measure and reduce their impact.In 2025, that effectiveness comes down to data. No matter how ambitious a sustainability plan may be, without the right metrics in place, it’s little more than a good intention. This is why the smartest companies aren’t just pledging change; they're tracking it.But tracking environmental performance isn't just…

Read more
819 1228 DEISO
Digital Twins for Sustainability: Real-Time Impact, Smarter Decisions, Greener Outcomes
Transition from pollution to sustainable energy technology.
Blog Posts
Digital Twins for Sustainability: Real-Time Impact, Smarter Decisions, Greener Outcomes
DEISO

Section 1: Introduction – The Dawn of Sustainable Digital TransformationIn an era marked by growing climate concerns and stringent environmental regulations, businesses are under more pressure than ever to prove their sustainability credentials. Traditional approaches to environmental management — spreadsheets, annual reports, and manual assessments — are no longer enough to meet the demands of regulators, investors, and environmentally conscious consumers.This is where digital twins step into the spotlight. Once a niche technology used primarily in aerospace and industrial engineering,…

Read more
819 819 DEISO
Frequently Asked Questions (FAQ) – DEISO’s Services, Training, and AI Solutions
FAQ icons with search, globe, binary code.
Frequently Asked Questions (FAQ) – DEISO’s Services, Training, and AI Solutions
DEISO

Frequently Asked Questions (FAQ) Company OverviewWhat is DEISO?DEISO is a global sustainability company based in Japan, delivering science-based consulting, digital intelligence, and professional training to help organizations achieve measurable environmental performance and build long-term sustainability capability.What is DEISO’s mission?DEISO’s mission is to act as a catalyst for measurable sustainability impact by enabling organizations to transform environmental challenges into structured, data-driven, and actionable strategies.Where does DEISO operate?DEISO operates globally across 35+ countries, supporting organizations in Asia, Europe, the Middle East, and…

Read more
819 819 DEISO
LCCA Explained: Life Cycle Cost Analysis for Smart Decisions
Diagram of Life Cycle Cost Analysis components
Blog Posts
LCCA Explained: Life Cycle Cost Analysis for Smart Decisions
DEISO

ESG goals and government regulations.LCCA empowers organizations to achieve all three. It enables better capital allocation, prevents costly surprises, and supports long-term value creation.📘 Section 2: The 5 Key Cost Components in LCCATo understand how LCCA works in practice, it’s essential to break down the five core cost categories it includes. Each category contributes to the Total Cost of Ownership (TCO) and must be evaluated to make informed decisions.🧩 1. Initial CostsThese are the costs incurred at the beginning of…

Read more
819 819 DEISO
ISO 14000 Certification: Why Your Business Needs It Now
ISO 14000 certification with recycling, globe, building icons.
Announcements News
ISO 14000 Certification: Why Your Business Needs It Now
DEISO

ESG (Environmental, Social, and Governance) reporting is mandatorySupply chain partners demand ISO-compliant sourcingRegulatory scrutiny is high, especially in the EU and AsiaInvestors and shareholders favor sustainability benchmarksISO 14000 provides a unified structure for managing these challenges while demonstrating leadership in sustainability. .responsive-table { width: 100%; overflow-x: auto; font-family: Arial, sans-serif; border-collapse: collapse; margin: 1em 0; font-size: 18px; } .responsive-table th, .responsive-table td { padding: 12px 15px; border: 1px solid #ddd; white-space: nowrap; text-align: left; } .responsive-table th { background-color: #f4f4f4;…

Read more
819 819 DEISO
Bug Reporting: Easy DEISO Website Issue Submission Form
Report a bug illustration on screen.
Bug Reporting: Easy DEISO Website Issue Submission Form
DEISO

🛠️ Report a Bug or IssueIf you've encountered a bug or technical issue while using the DEISO website, please let us know.You can use the form below to report any problems so we can fix them promptly and improve your experience. Bug Report FromBug Report Please be as detailed as possible to aid us in the troubleshooting process. First NameLast NameBug TitleDevice Type- Select -On DesktopOn MobileOn TabletOn Desktop and MobileOn Desktop and TabletIn All DevicesBrowser- Select -ChromeFireforeEdgeSafaraiOperaOperating system- Select…

Read more
819 819 DEISO
Understanding the Difference Between Life Cycle Assessment (LCA) and Environmental Impact Assessment (EIA) for Engineers and Sustainability Professionals”
Life cycle and environmental impact assessment diagram
Uncategorized
Understanding the Difference Between Life Cycle Assessment (LCA) and Environmental Impact Assessment (EIA) for Engineers and Sustainability Professionals”
DEISO

Life Cycle Assessment was developed in parallel, initially within industry as a resource and energy analysis tool. In the 1960s and 70s, companies used it to compare packaging options and manufacturing processes. As environmental awareness grew, so did the demand for standardized sustainability metrics. By the 1990s, international organizations began formalizing LCA practices into globally accepted standards. Since then, LCA has evolved into a core method for evaluating the environmental footprint of products, services, and technologies.Modern ContextToday, EIA remains a…

Read more
1228 819 DEISO
Close
DEISO Contact & Quotation Inquiry
Start Typing
Close

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

Explore Solutions
Discover integrated digital and strategic solutions designed to address complex sustainability and environmental challenges.
→
Explore Services
Access DEISO’s full portfolio of sustainability advisory, LCA, ESG, GHG, and independent technical review services.
→
Explore DEISO Training
Browse enterprise-grade training programs in LCA, GHG accounting, EPD, ESG, and advanced sustainability software tools.
→
Request a Quotation
Submit your requirements to receive a structured quotation aligned with your scope, technical needs, and delivery model.
→
Book a Strategic Consultation
Schedule a focused consultation to evaluate your objectives, constraints, and potential pathways before quotation or implementation.
→
Our Clients
Explore the types of organizations DEISO supports across industries, markets, and sustainability maturity levels worldwide.
→
Ask AI
Ask Mirai AI to identify relevant services, solutions, and training options based on your business needs and sustainability challenges.
→
Contact
Reach DEISO to discuss projects, request information, or connect with the right team for your technical or commercial inquiry.
→
Live Chat
Start a real-time conversation for quick guidance on DEISO services, training, solutions, or general support needs.
→
WhatsApp Chat
Contact DEISO via WhatsApp for convenient communication, fast follow-up, and direct engagement with our team.
→
Service Finder
Quickly identify the most suitable DEISO service aligned with your organization’s objectives, technical needs, and project scope.
→
Training Finder
Find the ideal training path tailored to your team’s expertise level, tools, industry context, and learning priorities.
→
Advanced Search
Search DEISO’s website more precisely to locate services, sectors, training programs, support pages, and technical resources.
→
Support
Access DEISO support resources, guidance pages, and assistance channels for navigation, platform use, and common inquiries.
→
Subscribe to Mailing List
Join DEISO’s mailing list to receive updates on services, insights, training opportunities, and new sustainability resources.
→
Login
Sign in to access available DEISO digital areas, client tools, or account-based resources and platform functions.
→
Toggle Dark Mode