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Details on the Specialist Training Program of Environment, Social, and Governance (ESG) Reporting
ESG reporting specialist training program information
Details on the Specialist Training Program of Environment, Social, and Governance (ESG) Reporting

/*! elementor - v3.23.0 - 05-08-2024 */ .elementor-widget-image{text-align:center}.elementor-widget-image a{display:inline-block}.elementor-widget-image a img{width:48px}.elementor-widget-image img{vertical-align:middle;display:inline-block} Specialist Training Program of Environment, Social, and Governance (ESG) Reporting: A

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The GHG Lead Verifier Training Program
GHG Verifier Training Program for ISO 14064 compliance.
The GHG Lead Verifier Training Program

/*! elementor - v3.23.0 - 05-08-2024 */ .elementor-widget-image{text-align:center}.elementor-widget-image a{display:inline-block}.elementor-widget-image a img{width:48px}.elementor-widget-image img{vertical-align:middle;display:inline-block} Our GHG Lead Verifier training program helps your business satisfy ISO 14064 climate change standards. Covers ISO14064 (Parts 1-3), GHG inventories, and management system requirements. Needs-fulfilling. ISO 14064-Parts 1 and 3 are combined with carbon-neutral accounting. Find out more at

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Circular Economy Specialist Training Program
Circular Economy Training Program Information
Circular Economy Specialist Training Program

Train your organization's employees on the Circular Economy via professional skills, waste management, resource efficiency, and business models; all essential and advanced topics are covered—a case study teaches data, methods, and tools from idea to practice. Explore our circular economy training programs at

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Introducing the “Basic” and “Advanced” Aspen Plus Chemical engineering & Chemical Process Engineering
Aspen Plus chemical engineering training programs information
Introducing the “Basic” and “Advanced” Aspen Plus Chemical engineering & Chemical Process Engineering

/*! elementor - v3.23.0 - 05-08-2024 */ .elementor-widget-image{text-align:center}.elementor-widget-image a{display:inline-block}.elementor-widget-image a img{width:48px}.elementor-widget-image img{vertical-align:middle;display:inline-block} Introducing Aspen Plus training. Learn more at

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What is the Environmental Product Declaration (EPD) and how to perform it?
Energy efficiency rating with man on laptop.
What is the Environmental Product Declaration (EPD) and how to perform it?

/*! elementor - v3.23.0 - 05-08-2024 */ .elementor-heading-title{padding:0;margin:0;line-height:1}.elementor-widget-heading .elementor-heading-title>a{color:inherit;font-size:inherit;line-height:inherit}.elementor-widget-heading .elementor-heading-title.elementor-size-small{font-size:15px}.elementor-widget-heading .elementor-heading-title.elementor-size-medium{font-size:19px}.elementor-widget-heading .elementor-heading-title.elementor-size-large{font-size:29px}.elementor-widget-heading .elementor-heading-title.elementor-size-xl{font-size:39px}.elementor-widget-heading .elementor-heading-title.elementor-size-xxl{font-size:59px}What is the Environmental Product Declaration (EPD)? An Environmental Product Declaration (EPD) is a document that helps firms explain the environmental performance of their goods and may satisfy net zero environmental disclosure requirements. EPDs originated as volunteer environmental impact demonstrations.EPDs are now governed by globally recognized standards and readily integrated into construction processes, notably for sustainable building certifications such as LEED, BREEAM, and DGNB. EPDs, based on…

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What are Material Flow Analysis (MFA) and Substance Flow Analysis (SFA)?
Aerial view of colorful shipping containers at port.
What are Material Flow Analysis (MFA) and Substance Flow Analysis (SFA)?

.deiso-conv-wrap{ max-width:1100px; margin:0 auto; padding:60px 20px; font-family:Arial, Helvetica, sans-serif; background:#ffffff; color:#222222; } .deiso-conv-section{ margin-bottom:60px; } .deiso-conv-section h4{ font-size:30px; line-height:1.35; color:#00a62d; font-weight:700; margin:0 0 16px 0; } .deiso-conv-section p{ font-size:20px; line-height:1.8; color:#333333; margin:0 0 18px 0; } .deiso-conv-grid{ display:grid; grid-template-columns:repeat(2, minmax(0, 1fr)); gap:26px; margin-top:24px; } .deiso-conv-card{ background:#ffffff; border:1px solid #e4ebf2; border-radius:16px; padding:26px; box-shadow:0 10px 24px rgba(0,0,0,0.06); } .deiso-conv-card h5{ font-size:22px; line-height:1.45; color:#000000; font-weight:800; margin:0 0 12px 0; } .deiso-conv-card p{ font-size:18px; line-height:1.75; color:#444444; margin:0; } .deiso-conv-cta-wrap{ margin-top:24px; } .deiso-conv-btn{ display:inline-block; padding:18px…

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Life Cycle Assessment: A Getting Started Guide
Green bicycle above world map illustration.
Life Cycle Assessment: A Getting Started Guide

.deiso-conv-wrap{ max-width:1100px; margin:0 auto; padding:60px 20px; font-family:Arial, Helvetica, sans-serif; background:#ffffff; color:#222222; } .deiso-conv-section{ margin-bottom:60px; } .deiso-conv-section h4{ font-size:30px; line-height:1.35; color:#00a62d; font-weight:700; margin:0 0 16px 0; } .deiso-conv-section p{ font-size:20px; line-height:1.8; color:#333333; margin:0 0 18px 0; } .deiso-conv-grid{ display:grid; grid-template-columns:repeat(2, minmax(0, 1fr)); gap:26px; margin-top:24px; } .deiso-conv-card{ background:#ffffff; border:1px solid #e4ebf2; border-radius:16px; padding:26px; box-shadow:0 10px 24px rgba(0,0,0,0.06); } .deiso-conv-card h5{ font-size:22px; line-height:1.45; color:#000000; font-weight:800; margin:0 0 12px 0; } .deiso-conv-card p{ font-size:18px; line-height:1.75; color:#444444; margin:0; } .deiso-conv-cta-wrap{ margin-top:24px; } .deiso-conv-btn{ display:inline-block; padding:18px…

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Introducing the Environmental Product Declaration (EPD)Training Programs
EPD training programs and urban sustainability.
Introducing the Environmental Product Declaration (EPD)Training Programs

Introducing EPD training programs: We now provide Environmental Product Declaration (EPD) Training Programs of "Professional" and "Advanced." Choose the one that best meets your requirements. Perform EPD Calculations in an LCA software: You can choose from GaBit, SimaPro, or openLCA (free software)—you can select the software you have a license for or the free openLCA software. In addition to basic LCA training, the program comes with several unique features. You can compare the two programs at

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New Life Cycle Assessment (LCA) Training Programs are Now Available
Green bicycle promoting life cycle assessment training.
New Life Cycle Assessment (LCA) Training Programs are Now Available

/*! elementor - v3.23.0 - 05-08-2024 */ .elementor-widget-image{text-align:center}.elementor-widget-image a{display:inline-block}.elementor-widget-image a img{width:48px}.elementor-widget-image img{vertical-align:middle;display:inline-block} We are excited to announce the launch of our new Life Cycle Assessment (

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We are hiring a Senior Administrative and Technical Assistant (urgently)
Hiring: Senior Administrative and Technical Assistant at DEISO.
We are hiring a Senior Administrative and Technical Assistant (urgently)

Senior Administrative and Technical Assistant (Job ID: DSJOB2218) Important Note: To be considered for this position, a candidate must reside in Tochigi city, Japan, and possess complete Japanese proficiency and business-level English. Japanese-English interpretation skills are required. Applications must be submitted via email to jobs.dei.so along with a complete CV and cover letter. This is an onsite job (not remote or hybrid work). Apply Basic Information Job Title: Senior Administrative and Technical Assistant Job Description: We urgently seek a Senior…

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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.

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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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