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Life Cycle Inventory Data Estimation for uncontrolled landfills and open dumping
Burning waste at uncontrolled dumpsites service
Life Cycle Inventory Data Estimation for uncontrolled landfills and open dumping
DEISO

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Net-Zero Emissions
Finger pressing CO2 reduction button on screen.
Net-Zero Emissions
DEISO

.deiso-hero-green * { box-sizing: border-box; } .deiso-hero-green { width: 100%; padding: 50px 16px; background: #ffffff; } .deiso-hero-green-wrap { max-width: 1100px; margin: 0 auto; padding: 40px 30px; border-radius: 18px; background: linear-gradient(135deg, #00a62d 0%, #009a29 100%); box-shadow: 0 25px 60px rgba(0,166,45,0.25); text-align: center; color: #ffffff; } .deiso-hero-green-tag { display: inline-block; background: rgba(255,255,255,0.18); color: #ffffff; padding: 6px 14px; border-radius: 50px; font-size: 14px; letter-spacing: 0.4px; margin-bottom: 18px; font-weight: 500; } .deiso-hero-green h1 { font-size: 36px; line-height: 1.3; margin: 0 0 14px 0; color: #ffffff;…

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Certification Services
Professional certification services on a desktop screen
Certification Services
DEISO

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Material Flow Analysis (MFA)
Material Flow Analysis with stacked industrial materials
Material Flow Analysis (MFA)
DEISO

 📌 Strategic MFA Services for Responsible Resource UseAt DEISO, we provide advanced Material Flow Analysis (MFA) services designed to help industries track, assess, and optimize the movement of materials, stocks, energy, and substances across defined systems. Our services are project-based, ensuring comprehensive coverage from system definition to insight delivery, guided by data, environmental science, and artificial intelligence.MFA plays a critical role in establishing mass balances and ensuring the responsible use of raw materials, waste, and energy streams throughout the life…

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Life Cycle Inventory Data Estimation (LCI)
Product life cycle diagram and LCI services text
Life Cycle Inventory Data Estimation (LCI)
DEISO

Challenges Life Cycle Inventory (LCI) data is crucial for conducting any Life Cycle Assessment (LCA) study or evaluation. For researchers and companies. Not all LCI data are available in commercial LCI databases or even in literature. LCA experts often encounter a major obstacle to obtaining the missing LCI data for their projects. Solutions We provide a unique service for LCI data estimations based on modeling techniques. We supply this estimated LCI for LCA work for a specific evaluation topic. Currently,…

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Life Cycle Sustainability Assessment: Environmental, Health, and Social Impacts Assessment
Life Cycle Sustainability Assessment graphic with bicycle
Life Cycle Sustainability Assessment: Environmental, Health, and Social Impacts Assessment
DEISO

Solutions DEISO provides several professional sustainability evaluation services such as Life Cycle Assessment (LCA) for better environmental and health design, technology development, and manufacturing processes. Including, e.g., comprehensive environmental evaluation of a system, product, technology, or service from the cradle-to-grave, gate-to-gate, and gate-to-grave evaluation. We consider part of the lifecycle or the entire cycle based on the customer needs: (1) extraction of raw materials phase, (2) production/manufacturing phase, (3) transportation phase, (4) the use phase of the product or technology,…

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Downstream Services: Waste and Resource Management Services for Emerging Countries
Industrial waste management machinery in operation
Downstream Services: Waste and Resource Management Services for Emerging Countries
DEISO

Hazardous, E-waste, & Municipal Waste Services for Developing Countries Research and expert-based professional services for low, lower-middle, and upper-middle countries. We work with municipalities, local governments, and international organizations to develop sustainable waste management schemes. Skip to Solutions Skip to Features Challenges Waste management practices in developing countries should be seriously considered due to their inadequate management. Particularly, waste management practices in low-income and medium-income in developing countries, including collection services, have an overall rate below 50%. Collection services are…

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CO2 Reduction Certificate
CO2 Reduction Certification with forest background
CO2 Reduction Certificate
DEISO

Our Solution A Carbon Dioxide (CO2) reduction certificate shows that the certificate holder cut greenhouse gas emissions by a certain amount. A CO2 Reduction certificate will make effective actions against global warming globally, making them climate natural with emission rfeduction practices. The certificate can also demonstrate that the company's buyer has compensatory means for each good, process, or carbon offset service. The purpose is to promote sustainable market operations, industrial and commercial processes in low emissions. In other words, the…

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Chemical Process Simulation
Chemical process simulation and optimization graphic
Chemical Process Simulation
DEISO

DEISO Chemical Process Simulation & Plant Design DEISO delivers professional chemical process simulation, plant design support, and process optimization services for organizations seeking to move from laboratory-scale concepts to technically credible, commercially relevant, and environmentally informed decisions. We help companies, research teams, and innovation units evaluate process routes, improve operating performance, reduce uncertainty, and strengthen the technical foundation of scale-up, investment, and development planning. From Laboratory Concept to Industrial Decision-Making The chemical industry operates in a highly competitive environment shaped…

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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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Engineering the Future of Sustainable Performance

Execute Sustainability Projects
Full technical responsibility for LCA, Scope 3, PCF, and EPD execution under real-world conditions.
Initiate Technical Audit
Identify data gaps, inconsistencies, and risks before submission or verification.
Start Rapid Review (48–72h)
Stabilize time-sensitive sustainability work and reduce technical risk under tight deadlines.
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Structured execution aligned with regulatory, disclosure, and standards requirements.
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Integrated sustainability systems combining execution, intelligence, and digital infrastructure.
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Full portfolio across LCA, GHG, ESG, PCF, EPD, and technical validation.
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Real project execution and technical outcomes across industries and regions.
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Identify the right execution pathway using AI-assisted sustainability intelligence.
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Match your project scope with the appropriate execution or validation service.
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Submit your requirements for a structured proposal aligned with your technical scope.
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