Offerings
A Wide Range of Services and Tailored Solutions for Building a Sustainable Business.

DEISO is your reliable partner in environmental sustainability evaluation — combining science-based methods with AI-powered storytelling to deliver actionable insights. We specialize in Life Cycle Assessment (LCA), Environmental Product Declarations (EPD), Product Carbon Footprint (PCF), and GHG accounting across Scopes 1, 2, and 3. Our tailored AI tools address specific environmental challenges and data gaps, helping your business make informed decisions and measurable impact
Explore DEISO’s advanced premium training — with over 50 tailored programs covering sustainability, LCA, EPD, PCF, GHG accounting (Scopes 1–3), ESG, circular economy, and more. Delivered on-site at your location, off-site in Japan, or remotely worldwide, our programs combine expert-led instruction with AI-powered learning to close knowledge gaps, enhance capabilities, and drive measurable impact. Accredited certification options available.
Hello, I’m Mirai! Your AI-Powered Assistant to DEISO! I am free to use it at no cost! “Hello, I’m Mirai! Your AI-Powered Assistant I am Mirai (未来), an AI-powered assistant created by DEISO LLC. My name means “future” in Japanese, reflecting the forward-thinking nature of…
DEISO, a provider of sustainability services and solutions, is thrilled to announce the launch of “My DEISO“, a comprehensive cloud platform designed to streamline client interactions and improve overall service delivery. DEISO has always been committed to providing exceptional experiences for its clients. My DEISO…
DEISO, a provider of sustinability services and solutions, is excited to announce the launch of its redesigned website. After months of dedicated development, DEISO has introduced a fresh design concept that reflects the company’s brand identity and offers a more intuitive user experience. The redesign…
DEISO LLC is seeking a highly motivated and experienced Life Cycle Assessment (LCA) Specialist to join our growing team. In this role, you will play a key role in supporting our sustainability initiatives by conducting LCA studies and promoting the integration of LCA principles throughout…
Green Claim Directive (GCD) Full compliance with the European Green Transition Directive (ECGT) and Green Claim Directive (GCD) – Read more at https://deiso.link/gcd. Green Claim Directive (GCD) The Empowering Consumers for the Green Transition Directive (ECGT) for Green Claim Directive (GCD), which the European…
We are thrilled to announce the launch of our latest sustainability science training program: the Sustainability Independent Consultant (SIC) Training Program by DEISO, designed to empower individuals from diverse backgrounds – including industry professionals, corporate employees, and academics – this program is tailored for those…
Life Cycle Assessment (LCA) is a vital scientific methodology for environmentally conscious businesses. There are 6 main ways that LCA can help these businesses achieve their green goals. Here are some key benefits: 1. Identifying Hotspots (or weekpoints): By using LCA, businesses can identify the…
Upstream vs. Downstream Waste: Understanding Impacts and Treatment The daily items we buy and discard represent only a fraction of the total waste generated within a product’s life cycle. To fully assess the environmental consequences of our consumption patterns, we must look at upstream and…
Update: “DEISO Spectrum” is now “DEISO Spectra.” Available at: https://sp.dei.so What is DEISO Spectrum? DEISO Spectrum is a cloud-based platform for DEISO’s training clients to streamline the process of managing client training courses on the cloud. The platform boasts various features to enhance the learning…
Elevate your sustainability business with DEISO’s cutting-edge digital solutions.
Our AI-powered products are designed to enhance decision-making, boost productivity, drive efficiency, and automate sustainability workflows. DEISO empowers you to achieve your environmental goals through smart, scalable tools. We’re constantly developing new solutions to address emerging needs — stay tuned for what’s next.
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: os.ie1748115855d@ofn1748115855i1748115855