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Independent Product Carbon Assurance · ISO 14067 & GHG Protocol Product Standard

Product Carbon Footprint (PCF) Audit & Review

Independent technical assurance of Product Carbon Footprint studies prepared by your organization. Validate system boundaries, allocation methodologies and life cycle data to strengthen product-level carbon credibility and support procurement, customer and regulatory requirements.

Request a PCF review See pricing
Independent by designWe do not prepare PCF studies in this engagement. We independently assess the study you have already produced.
Product-level rigourFunctional unit, system boundary, allocation, emission factors and data representativeness.
Ready for scrutinyBefore verification, customer submission, supply chain reporting or regulatory disclosure.

Product Carbon Footprint (PCF) Audit & Review: pricing

Three fixed-fee levels. Each one audits the same thing — your existing PCF study — and differs in the number of products covered and how far we go with you after the first findings: from a findings log you resolve yourself, to two rounds of re-review and a session to prepare you for your verifier or customer.

Essential

For a single product footprint where your team will resolve the findings itself.

$1,500fixed fee
Products1 product
Life cycle scopeCradle-to-gate
Re-review roundsNone
Turnaround10 business days
  • Desk review of the PCF report, LCA model or calculation workbook and methodology notes
  • Structured findings log: each issue rated high, medium or low, with the source reference and the recommended correction
  • Checks on functional unit, system boundary, allocation, emission factor and dataset selection, GWP values and calculation logic against ISO 14067
  • One 60-minute call to walk through the findings
Request Essential
Recommended

Standard

For footprints going to customers, tenders or external verification, where corrections must be confirmed.

$2,800fixed fee
ProductsUp to 3, one family
Life cycle scopeCradle-to-gate or grave
Re-review rounds1
Turnaround15 business days
  • Everything in Essential
  • Written review report: scope, method, findings, materiality assessment and an overall verification-readiness opinion
  • Sample-based trace of foreground data back to bills of materials, energy records and supplier data
  • One re-review of your corrected study, with each finding marked closed or open
  • Two calls: findings walkthrough and close-out
Request Standard

Comprehensive

For product families, first-time verification, regulated disclosure or tight deadlines.

$4,500fixed fee
ProductsUp to 5, one family
Life cycle scopeCradle-to-grave
Re-review rounds2
Turnaround10 business days, priority
  • Everything in Standard
  • Extended data trace across all material life cycle stages, plus a sensitivity check on key assumptions
  • Two re-review rounds until findings are closed
  • Verifier-readiness session: a mock verification interview with your team, using the questions PCF verifiers and customers typically raise
  • Readiness statement letter you can share with your verifier, customers or board
Request Comprehensive

What each level includes

DeliverableEssentialStandardComprehensive
Findings log with source references and ratings
Written review report and readiness opinion—
Trace of foreground data to source records—SampleAll material stages
Re-review of corrected study—1 round2 rounds
Calls with our reviewer123 + readiness session
Readiness statement letter——
Products covered1Up to 3Up to 5
Life cycle scopeCradle-to-gateGate or graveCradle-to-grave
Turnaround from complete files10 days15 days10 days, priority

Questions clients ask

What is the difference between the three levels?

All three audit your PCF study with the same method; they differ in the number of products and the follow-through. Essential gives you the findings and leaves the corrections to you. Standard adds a formal report, a sample data trace and one check of your corrections. Comprehensive checks your corrections twice, traces every material life cycle stage, and prepares your team for the questions your verifier or customer will ask.

Is this the same as third-party PCF verification?

No. This is an independent pre-submission audit and review. It does not replace verification by an accredited verification body; it prepares your study so that verification goes faster, with fewer findings and fewer revision rounds.

Do you calculate or fix the footprint for us?

No. We do not prepare PCF studies in this engagement; we independently assess the study you have already produced. We tell you exactly what to correct and why; your team or your consultant makes the changes.

What if we have more products?

Product families above the product limit are quoted together, usually at a lower fee per product, before work starts. You always receive a fixed fee in writing; there are no hourly overruns.

What do you need from us to start?

The PCF report, the LCA model or calculation workbook, bills of materials, energy and supplier data, the datasets and emission factors used, and a contact person for questions. Turnaround starts when the complete files are received.

Can we move up a level later?

Yes. If you start with Essential and later need a re-review or a written report, the fee you paid is credited toward Standard or Comprehensive.

Fees in USD, excluding taxes and travel. Final scope and fee are confirmed in a written quotation.

Submit Assurance Inquiry
PCF assurance

Product Carbon Footprint audit and review

Product Carbon Footprint disclosures increasingly influence procurement qualification, supplier approval, and customer carbon reporting obligations.

If your organization has prepared a Product Carbon Footprint calculation for one or more products, DEISO provides independent technical PCF audit and review to validate boundary definitions, data integrity, methodological consistency, and emission calculation accuracy.

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

Scope

Scope of PCF assurance

Our PCF verification services are structured to support product-level carbon disclosures across diverse industrial sectors.

  • Cradle-to-gate PCF verification
  • Cradle-to-grave PCF verification
  • Gate-to-gate manufacturing emissions validation
  • Multi-product portfolio verification
  • SKU-level carbon footprint validation

Engagements may apply to a single strategic product or an entire product portfolio.

Reasonable assurance

PCF audit

A PCF audit gives a high level of assurance through structured recalculation testing, allocation validation, and evidence-based methodological review.

This level of assurance is appropriate when product carbon data is used for:

  • Tender qualification and supplier requirements
  • Customer carbon disclosure requirements
  • Public sustainability reporting
  • High-value B2B procurement decisions

Audit procedures may include

  • System boundary validation
  • Functional unit consistency verification
  • Allocation methodology assessment
  • Life cycle inventory traceability testing
  • Emission factor appropriateness review
  • Sampling-based recalculation checks
  • Independent reasonable assurance conclusion

Audit engagements give maximum confidence in product-level carbon disclosures.

Limited assurance

PCF review

A PCF review gives a moderate level of assurance using analytical review procedures and targeted methodological validation.

This approach suits organizations where:

  • Structured third-party validation is needed before external disclosure
  • Carbon data maturity is still developing
  • A phased assurance pathway is preferred

Review procedures may include

  • Boundary and functional unit consistency review
  • Allocation approach plausibility assessment
  • Analytical cross-checking of inventory data
  • Targeted documentation review
  • Independent limited assurance conclusion

Review engagements strengthen credibility while keeping execution efficient.

Comparison

Audit versus review in the PCF context

Both assurance levels strengthen transparency and governance of product-level carbon disclosures. The difference lies in testing depth, documentation intensity, and confidence level.

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PCF comparison table block goes here.

Engagement process

How a PCF engagement runs

1

Scope confirmation

  • Product system boundary definition
  • Functional unit confirmation
  • Life cycle stage coverage
  • Data sources and allocation logic
  • Evidence readiness
2

Assurance execution

Structured audit or review procedures aligned with the selected assurance level, including recalculation testing, allocation validation, and inventory verification.

3

Assurance conclusion

  • Independent PCF assurance statement
  • Technical findings if applicable
  • Methodology improvement recommendations
Why DEISO

Why organizations choose DEISO

  • Industrial-sector specialization
  • Advanced LCA and carbon accounting expertise
  • Structured verification methodology
  • Risk-aware assurance execution
  • Independent, technically grounded assessment

We operate with discipline, documentation rigor, and governance sensitivity.

Next step

Request a PCF assurance scope assessment

If your Product Carbon Footprint study is prepared and ready for independent validation, a structured scope discussion will determine:

  • Product and boundary coverage
  • Assurance level — audit or review
  • Engagement structure and timeline
Submit PCF assurance inquiry → Email →
Comparison

Audit versus review — detailed comparison

Dimension PCF audit (reasonable assurance) PCF review (limited assurance)
Assurance level High Moderate
Allocation testing Detailed allocation validation and recalculation Plausibility and consistency review
Inventory verification Sampling-based traceability and recalculation Analytical cross-checking
Methodology review Comprehensive boundary and functional unit validation Consistency and completeness assessment
Execution intensity Documentation-heavy and comprehensive Streamlined and efficient
Best fit Tender-critical, customer-required disclosures Pre-disclosure validation or phased assurance
Outcome Maximum product-level carbon credibility Strengthened transparency and governance
Engagement process

How the engagement runs

1

Scope confirmation

We define:

  • Reporting boundary
  • Sites and entities
  • KPI universe
  • Evidence readiness
2

Assurance execution

Structured review or audit procedures aligned with the selected assurance level.

3

Assurance conclusion

You receive:

  • Independent assurance statement
  • Technical findings if any
  • Improvement recommendations
Why DEISO

Why organizations choose DEISO

  • Industrial-sector specialization
  • Carbon and PCF technical depth
  • Structured verification methodology
  • Risk-aware assurance execution
  • Independent, technically grounded assessment

We operate with discipline, documentation rigor, and governance sensitivity.

Next step

Request a scope assessment

If your ESG or sustainability report is ready for independent validation, a structured scoping exchange determines:

  • Assurance level required
  • Estimated timeline
  • Final quotation
Request a confidential scope review → Email →
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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): /
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