Verify your climate accountability with Greenhouse Gas Assurance
Toitū provides rigorous, independent assurance to organisations committed to carbon transparency and accountability.
We authenticate and verify your carbon data’s accuracy with third-party assurance, offering you confidence that your carbon footprint aligns with global best practices like ISO 14064. With independent verification, you can strengthen your credibility and ensure transparent climate reporting.
( Why Toitū )
Why choose Toitū for
Greenhouse Gas Assurance?
Partner with New Zealand’s leading carbon assurance provider. Our expertise, independence, and rigorous adherence to global standards give you the confidence to share your carbon data, knowing its with accuracy won't be called into question.
Independent audit
Our assurance services follow the globally recognised ISO 14064-1:2018 standard, ensuring the accuracy and transparency of your carbon data.
Expert auditors
Our team has experience auditing various complex entities and emission sources, with many of our auditors also having financial audit expertise. They are supported by a team of expert life-cycle practitioners, engineers and emission-sector specialists. We've provided verification services to over 900 businesses in New Zealand, Australia, the United Kingdom and around the world.
Complex businesses solutions
Whatever the complexity of your business, we can support your organisation through each stage of the audit. From pre-assessment to final reporting, we provide robust and reliable insights into your sustainability reporting, so that you can chart your course forward with confidence.
Toitū Assurance, supporting your climate journey
Navigating carbon reporting can be complex — we’re here to simplify the process. Our assurance services provide the confidence that your emissions data is accurate, compliant, and independently verified. With a flexible and thorough approach, we ensure your carbon reporting stands up to the highest standards for transparency and credibility.
What you can expect:
Comprehensive Audit
We conduct detailed audits of your GHG inventory, ensuring your emissions data is verified to ISO 14064 standards.
ISO-Compliant Reporting
Ensure your carbon data aligns with global best practices and meet specific regulatory needs such as CNGP or CRD.
Robust Reporting
After an audit, receive a Verification Report and Assurance Statement you can refer to in your climate disclosures.
Risk Mitigation
Build trust with investors and stakeholders through independently verified, accurate carbon data, helping to reduce reputational and regulatory risks.
Defined Assurance Levels
We provide reasonable assurance for mandatory emissions sources and limited assurance for additional sources, ensuring full coverage for your carbon footprint.
Audit-Ready Reporting
Our assurance services prepare you with verified reports that meet the demands of complex organisations and evolving global regulations.
The benefits
1.
Credibility
Build trust with stakeholders by ensuring your emissions data is independently verified — showing your commitment to transparency and accountability.
2.
Informed Action
Use accurate data to shape effective carbon reduction strategies that drive real sustainability progress and long-term business success.
3.
Resilience
Strengthen your climate response by identifying gaps and opportunities in your reporting, helping your organisation adapt and thrive in a changing world.
Credible climate credentials
Toitū’s assurance services adhere to global standards and ensure impartial, independent verification. Our verification follows the ISO 14064-3:2019 standard and complies with the NZSAE1 requirements for Climate-Related Disclosures.
JASANZ Accredited
Toitū is accredited by JASANZ for third-party assurance as part of its climate impact certification, ensuring audits meet international standards for independence and quality.
ISO compliance
We follow the ISO 14064-1 and 14064-3 standards, ensuring global compliance for GHG reporting and auditing.
Independent and impartial
Our services are carried out with strict adherence to impartiality requirements. Learn more about this on our Independence, Impartiality, and Integrity page.
( join us )
Ensure your climate reporting
meets global
standards
with integrity