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Data-Driven Sustainability Consulting

Informed Decisions, Sustainable Success

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Data-driven sustainability consulting

From raw data to decision-grade environmental evidence

Sustainability decisions without reliable data lead to misaligned strategy, weak disclosure, and failed verification. Many organizations operate with fragmented datasets, inconsistent methodology, and thin analytical capability — the result is low-confidence reporting and missed optimization opportunities.

DEISO transforms sustainability data into structured, validated, decision-grade evidence — enabling strategic, defensible, measurable sustainability decisions that stand up when reviewers, investors, or regulators pull on the numbers.

The failure pattern

Where data-driven sustainability fails

  • Sustainability data fragmented across departments, systems, and spreadsheet exports
  • Methodology inconsistent from one category to the next, with no standardization layer
  • Data validation is thin, and traceability from source to disclosed number is weak
  • Environmental data disconnected from the business decisions it is supposed to inform
  • Overreliance on assumptions instead of measured inputs
How we work

Structured sustainability data framework

DEISO applies a structured data framework combining data collection, validation, lifecycle modeling, and analytics. The objective is sustainability data that is accurate, consistent, and aligned with international standards — ready for both internal decision-making and external scrutiny at reviewer level.

Every disclosed number can be traced back to its source, its methodology, and its assumption set. Nothing sits in the report without an evidence trail behind it.

Capabilities

Core consulting capabilities

  • Sustainability strategy — data-informed strategy aligned with ESG requirements, regulatory frameworks, and business objectives
  • Life cycle assessment (LCA) — ISO 14040 and 14044-aligned modeling to quantify environmental impact across product lifecycles
  • GHG accounting and Scope 1–3 analysis — structured emissions data development with validation and verification readiness
  • Environmental impact assessment — quantification of environmental risks across operations and projects
  • Supply chain sustainability and Scope 3 — supplier data validation, proxy modeling, and category-level analysis
  • Circular economy strategy — lifecycle-based resource optimization and waste reduction
  • Sustainability reporting support — preparation and technical review of ESG and sustainability disclosures
  • Data analytics and visualization — complex datasets turned into structured evidence and executive dashboards
Deliverables

What you receive

  • Validated and structured sustainability datasets — GHG, LCA, ESG
  • Data quality and consistency assessment reports
  • Documentation aligned with ISO and global frameworks
  • Analytical output identifying risks, inefficiencies, and opportunities
  • Executive-level dashboards and visualizations for decision-making
  • Strategy roadmap supported by quantified data, not aspirational statements
Business value

Business value and strategic impact

  • Higher accuracy and credibility of sustainability reporting
  • Reduced exposure to non-compliance findings and failed verification
  • Better decision-making driven by reliable environmental evidence
  • Cost-saving opportunities identified through structured data analysis
  • Stronger positioning in ESG-driven procurement and investment environments
Why DEISO

Where DEISO sits in the sustainability data space

DEISO integrates sustainability science, structured data analysis, and enterprise execution to deliver more than consulting — DEISO builds the sustainability data workspace the organization uses to run its disclosure, its reduction planning, and its supplier engagement. The work ensures the data is not only accurate, but decision-ready, verification-ready, and strategically actionable.

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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