Greenhouse Gas (GHG) validation and verification

Greenhouse Gas (GHG) validation and verification

Organizations are facing growing demand for credible greenhouse gas emissions data from both voluntary reporting frameworks and regulatory disclosure requirements.  

ERM CVS provides independent GHG verification and validation services to strengthen the accuracy, transparency, and credibility of emissions inventories, climate targets, and sustainability disclosures. Our experts assess data, methodologies, calculations, and reporting processes against recognized standards and regulatory requirements, helping organizations reduce reporting risk, build stakeholder trust, and demonstrate confidence in their climate performance.

Independent verification of Scope 1, 2, and 3 greenhouse gas emissions services

GHG verification and validation

ERM CVS provides independent greenhouse gas (GHG) verification and validation services to help organizations demonstrate the accuracy and credibility of emissions data. Our experts review GHG inventories, methodologies, calculations, and supporting evidence to strengthen reporting and disclosures. Verification and validation support regulatory compliance, investor confidence, sustainability reporting, decarbonization programs, and net zero commitments. Standards include ISO 14064-1, ISO 14064-3, and the GHG Protocol Corporate Accounting and Reporting Standard.

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California climate SB253 regulations assurance

Prepare for California SB 253 with confidence through independent assurance from ERM CVS. We help organizations strengthen the accuracy, completeness, and credibility of Scope 1, 2, and 3 greenhouse gas emissions disclosures through robust verification of data, methodologies, calculations, and reporting controls. Independent assurance supports regulatory compliance, reduces reporting risk, enhances transparency, and builds trust with investors, customers, and other stakeholders as climate disclosure expectations continue to evolve.

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CBAM verification

Prepare for the EU Carbon Border Adjustment Mechanism (CBAM) with confidence through independent verification and assurance from ERM CVS. We help importers, manufacturers, and supply chain partners improve the accuracy, transparency, and credibility of embedded emissions data and CBAM disclosures. Our experts verify greenhouse gas calculations, methodologies, activity data, and reporting processes to support regulatory compliance, reduce reporting risk, strengthen customer confidence, and enable smoother access to European markets as CBAM requirements continue to evolve.

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UK ETS verification

ERM CVS provides accredited independent verification services to help organizations meet UK Emissions Trading Scheme (UK ETS) requirements with confidence. Our experts verify greenhouse gas emissions data, monitoring plans, calculations, and reporting processes to support accurate emissions reporting as required for regulatory compliance. Independent verification reduces compliance risk, strengthens data quality, and builds stakeholder confidence.

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NGERS assurance

ERM CVS helps organizations meet National Greenhouse and Energy Reporting Scheme (NGERS) requirements with confidence through independent assurance and verification services. Our experts assess greenhouse gas emissions, energy consumption data, reporting methodologies, calculations, and management systems to improve data quality and regulatory compliance. Independent verification strengthens the credibility of disclosures, reduces reporting risk, and supports transparent reporting to regulators, investors, and stakeholders while helping organizations build a strong foundation for climate reporting and decarbonization initiatives.

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CDP assurance

Strengthen the credibility of your CDP disclosure with independent assurance from ERM CVS. We help organizations improve the accuracy, transparency, and reliability of climate data reported through the Carbon Disclosure Project (CDP). Our experts verify greenhouse gas emissions data, methodologies, calculations, and reporting processes to support stronger CDP submissions, enhance investor confidence, and drive higher-quality climate reporting. Independent assurance demonstrates a commitment to transparency while supporting climate strategy, stakeholder trust, and continuous improvement.

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Professional Training

Advance Your Sustainability Expertise with Comprehensive Training

ISO 14064 – Greenhouse Gas Lead Verifier (4 Days)

Earn globally recognized credentials to lead greenhouse gas verification audits. This intensive program covers ISO 14064 and ISO 14065 standards, advanced verification methodologies, materiality assessment, evidence gathering, and opinion formulation. Build technical skills to evaluate complex emissions, strengthen compliance, and position yourself for career growth in the expanding climate assurance sector.

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Scope 3 Deep Dive (2 Days)

Master advanced Scope 3 emissions training to tackle the largest share of corporate carbon footprints. Learn methodologies for quantifying all 15 categories, engage suppliers for data collection, apply credible estimation techniques, and align reporting with the GHG Protocol and Science Based Targets (SBTi) for robust climate compliance and performance.

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Carbon Accounting Fundamentals (2 Days)

Gain practical skills to measure, manage, and report greenhouse gas emissions. This course introduces carbon accounting training using the Greenhouse Gas Protocol. Learn to calculate Scope 1 and Scope 2 emissions, explore Scope 3 basics, build emission inventories, apply accurate emission factors, and prepare GHG reporting for compliance and sustainability goals.

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Methane Emissions Assurance Workshop

This private workshop is designed for intact teams, enabling cross-functional alignment and practical discussion tailored to your organization’s methane reporting approach. It provides a practical, low-risk environment to understand how your current framework stands up to the higher bar of reasonable assurance.

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California SB 253: GHG Disclosure Readiness for Assurance Engagements

This focused 3-hour, high-impact training equips your teams with the knowledge and practical insight needed to confidently prepare for assurance engagements. It bridges the gap between regulatory compliance and real-world implementation, ensuring your organisation is not only compliant but assurance-ready.

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ESG Internal Auditor (2 Days)

Develop the skills to evaluate and validate your organization’s ESG performance systems. This course teaches audit professionals to assess data integrity, identify material risks, and strengthen controls. Learn systematic approaches to reviewing sustainability claims, reporting processes, and providing assurance that enhances credibility, compliance, and ESG risk management.

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Life Cycle Assessment Fundamentals (2 Days)

Learn Life Cycle Assessment (LCA) training to evaluate environmental impacts across the full product lifecycle, from raw materials to end-of-life. This course covers LCA principles, methodologies, and practical applications. Identify environmental hotspots, compare product alternatives, and support sustainable design decisions for circular economy initiatives and environmental product declarations.

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Product Carbon Footprint (1 Day)

Learn how to measure, understand, and reduce product-level greenhouse gas emissions. This course introduces Product Carbon Footprint (PCF) concepts and methodologies, helping professionals calculate emissions, identify hotspots, and use carbon footprint data to support climate and sustainability goals.

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ISO 14001 Environmental Management System Courses

Strengthen your environmental management capabilities through our ISO 14001 training, available via interactive online sessions and in-person delivery for private training projects. Our curriculum takes you from basic environmental concepts to advanced audit competencies, preparing you to implement, manage, and evaluate environmental management systems effectively.

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Why ERM CVS?

Specialist assurance provider combining deep climate expertise with independent verification

Global delivery capability with experienced GHG verifiers and technical reviewers

Verification across voluntary and regulated reporting frameworks, standards, and schemes

From Scope 1, 2, and 3 emissions to product and value chain claims assurance

Related services

CBAM Verification Services for Producers and Manufacturers

ERM CVS provides independent CBAM verification services for producers and manufacturers, helping demonstrate the accuracy and credibility of emissions data required to support customers' CBAM compliance obligations. 

ESG & Sustainability Reporting Assurance

ERM CVS delivers independent ESG and sustainability assurance services worldwide, helping organizations improve data quality, strengthen reporting processes, and prepare for assurance with confidence.

Product claims assurance

ERM CVS provides independent third-party assurance for product and ethical claims made by organizations, helping build trust, transparency, and confidence among customers, investors, regulators, and other stakeholders.

Sustainability Professional Training

Build critical competencies in environmental stewardship, social responsibility, and sustainable business practices through our specialized sustainability training programs.