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EPD Pre-Submission Audit & Review Services
EPD Pre-Submission Audit & Review Services
DEISO

To preserve independence, DEISO performs pre-submission audit and critical review engagements only and does not prepare the Environmental Product Declaration or the underlying Life Cycle Assessment subject to review. Life Cycle Assessment consistency reviewIndicator accuracy and completeness checksBoundary and allocation validationMulti-product EPD documentation auditEngagements may apply to new EPD drafts, renewals, or revisions prior to formal submission.EPD Pre-Submission AuditThe Pre-Submission Audit is designed to identify gaps, inconsistencies, and non-conformities before the EPD is submitted to a program operator for official…

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GHG Emissions Audit & Review (Scope 1–3)
GHG Emissions Audit & Review (Scope 1–3)
DEISO

To preserve independence, DEISO performs audit or review engagements only and does not prepare the report subject to assurance.

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Independent ESG Audit & Review Services
Independent ESG Audit & Review Services
DEISO

To preserve independence, DEISO performs audit or review engagements only and does not prepare the report subject to assurance.

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Senior Sustainability Strategic Advisory | ESG, Climate, Risk & Environmental Governance
Senior Sustainability Strategic Advisory | ESG, Climate, Risk & Environmental Governance
DEISO

This service provides structured sustainability direction and oversight. Implementation and full project execution are available under separate engagements. advisory across core sustainability governance disciplines.Each advisory cluster reflects a defined strategic domain.You engage DEISO for governance-level reinforcement, regulatory readiness, defensibility logic, and structured strategic direction — not junior-level consulting.ADVISORY CLUSTERSCluster 1 — ESG Consulting & Reporting GovernanceScope includes:ESG strategy architecture and operating model designSustainability governance framework structuringLife Cycle Assessment (S-LCA) governance integrationSupply chain social risk structuringHuman rights and community impact exposure…

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EPD Development Mistakes That Delay Verification (And How to Avoid Rework)
Blog Posts
EPD Development Mistakes That Delay Verification (And How to Avoid Rework)
DEISO

Environmental Product Declaration errorsPCR interpretation riskmulti-site advisory if:Your product system has multiple co-productsYou operate across multiple production sitesYou are preparing for EU construction marketsYou lack internal LCA governance expertiseYou have experienced verification delays previouslyEPD execution without a governance structure increases exposure to:Tender disqualificationPublication delaysCredibility erosionInternal resource wasteRequest an EPD Scoping ReviewBefore investing in full modeling, many organizations benefit from a structured EPD scoping review.This includes:PCR interpretation validationAllocation risk assessmentMulti-site modeling strategyData quality gap evaluationVerification readiness reviewEPD Verification Readiness FrameworkThis infographic…

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Why 70% of Scope 3 Carbon Inventories Fail — And the Governance Framework That Fixes It
Blog Posts
Why 70% of Scope 3 Carbon Inventories Fail — And the Governance Framework That Fixes It
DEISO

ESG reporting frameworks Board-level risk management Output: Executive carbon governance roadmap. Carbon accounting must influence enterprise direction — not sit in a report. How This Framework Differentiates DEISO Most providers offer: Carbon calculations Template-based reporting Generic spend-based estimations DEISO delivers: Structural boundary architecture Methodological defensibility ISO-aligned documentation governance Scope 3 duplication control modeling Supplier data engagement frameworks Integration into ESG and transition strategy We operate at the intersection of: LCA methodology GHG Protocol standards ESG governance Climate risk management Verification…

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ESG Consulting & Reporting
ESG Consulting & Reporting
DEISO

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Social Life Cycle Assessment S-LCA
Social Life Cycle Assessment S-LCA
DEISO

Download S-LCA Strategic Brief For more than two decades, organizations have relied on Environmental Life Cycle Assessment (LCA) to measure carbon footprints, resource use, and environmental impacts across product systems. Environmental LCA is essential — but it does not tell the full sustainability story. A product with a low carbon footprint can still: Be produced under unsafe labor conditions Depend on suppliers with weak human rights practices Create socio-economic disruption in local communities Expose your organization to reputational and regulatory…

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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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