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Defend and act on your GHG data with independent assurance
We check how your greenhouse gas data is collected, calculated, and reported. The result is an assured statement you can publish with confidence.
Give your GHG numbers credibility with assurance
Regulators increasingly view self-reported emissions with scrutiny. Independent assurance turns your GHG inventory from a claim into verified data.
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Independent assurance
We provide assurance over Scope 1, 2 and 3 emissions data, in line with ISAE 3410 and AA1000.
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Numbers you can defend
We test the data, calculations and supporting evidence so your reported emissions can stand up to external scrutiny.
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Better data systems
We identify gaps in how emissions data is collected, managed and reported.
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Business impact
Assured GHG data gives investors, regulators, and buyers greater confidence in your emissions information.
Fixing the gaps that make GHG data fail
We identify weaknesses in your emissions data and measurement processes before an external auditor or rating agency does.
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Self-reported numbers are viewed with skepticism. We independently verify your GHG inventory, turning it into an assured dataset.
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We assess not just the numbers but the reporting systems that produced them, and flag it if they need strengthening.
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Assurance requirements are growing. We help you prepare your data and systems before it becomes mandatory
How GHG data moves from review to assured statement
A structured process from methodology review through evidence testing and independent statement issuance.
We review your GHG inventory methodology and internal controls to understand how your emissions data is produced.
We sample supporting evidence, conduct site visits, and test data processes against the assurance standards.
We test the measurement and reporting processes behind your Scope 1, 2, and 3 data.
We share findings, flag gaps, and provide recommendations to strengthen your data systems for future assurance cycles.
A formal assurance statement issued in line with ISAE 3410 and AA1000, ready for your sustainability report.
What a GHG assurance engagement delivers
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A formal statement over your GHG inventory, suitable for your sustainability report or regulatory filings.
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Scope 1, 2, and 3 emissions independently verified against your methodology and evidence base.
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An evaluation of the reporting systems behind your GHG data, with identified gaps and improvement areas.
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Detailed recommendations for strengthening your data systems and evidence trails for future reporting cycles.
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Suggestions to build the internal infrastructure needed for recurring annual assurance cycles.
GHG assurance adapted to your industry's emissions profile
We bring sector-specific context to assurance, reflecting what your regulators and buyers actually require.
Straight answers on GHG verification
Start with the questions teams ask most about standards, assurance levels, and timelines, then bring us your inventory details.
GHG assurance is an independent verification of an organization's greenhouse gas inventory and reported emissions data, confirming it has been calculated and reported in line with the relevant standard, such as ISO 14064-3 or AA1000AS.
Limited assurance provides a moderate level of confidence based on inquiries and analytical procedures, while reasonable assurance involves more extensive testing and provides a higher level of confidence, similar to a financial audit.
Independent GHG assurance builds credibility with regulators, investors and customers, supports compliance with disclosure regulations, and strengthens the reliability of claims used in CDP, SBTi or net-zero reporting.
We conduct GHG assurance engagements in line with recognized standards such as ISO 14064-3 and AA1000AS (A1000), tailored to the scope and assurance level required.
Most GHG assurance engagements take a few weeks, depending on the size and complexity of the inventory and how quickly supporting evidence is provided.