Scheme Lists
Assurance & Verification Schemes
The recognized assurance and verification schemes listed below will be valid for the 2026 GRESB Standard.
Recognized Assurance and Verification Schemes
AA1000AS
Advanced technologies promotion Subsidy Scheme with Emission reduction Target (ASSET)
Airport Carbon Accreditation (ACA) des Airports Council International Europe
Alberta Specified Gas Emitters Regulation
ASAE3000
Attestation Standards established by the American Institute of Certified Public Accountants/AICPA (AT-C 105, AT-C 205, AT-C 206, AT-C 210, AT-C 215)
Australia National Greenhouse and Energy Regulations (NGER Act)
California Mandatory GHG Reporting Regulations (also known as California Air Resources Board regulations)
Canadian Institute of Chartered Accountants (CICA) Handbook: Assurance Section 5025
Carbon Trust Standard
Chicago Climate Exchange verification standard
China Corporate Social Responsibility Report Rating Standard
Climate Registry General Verification Protocol (also known as California Climate Action Registry (CCAR))
Compagnie Nationale des Commissaires aux Comptes (CNCC)
Corporate GHG Verification Guidelines from ERT
CSAE 3000
CSRD Article 8 Related Assurance
DNV Verisustain Protocol/ Verification Protocol for Sustainability Reporting
Dutch Standard for Assurance assignments 3000A
Earthcheck Certified
ERM GHG Performance Data Assurance Methodology
Get It Fair – ESG Rating and Reporting Assurance
IDW AsS 821: IDW Assurance Standard: Generally Accepted Assurance Principles for the Audit or Review of Reports on Sustainability Issues
IDW PS 821: IDW Prüfungsstandard: Grundsätze ordnungsmäßiger Prüfung oder prüferischer Durchsicht von Berichten im Bereich der Nachhaltigkeit
ISAE 3000
ISAE 3410, Assurance Engagements on Greenhouse Gas Statements
ISO 14064-1
ISO 14064-2
ISO 14064-3
ISO 14067
ISO 19011 standard
ISO 50002 standard
JVETS (Japanese Voluntary Emissions Trading Scheme) Guideline for verification
Korean GHG and energy target management system
MOHURD Guidelines for Public Building Energy Audit
NMX-SAA-14064-3-IMNC: Instituto Mexicano de Normalización y Certificación A.C
OfWat Regulatory Accounting Guidelines
RevR 6 Bestyrkande av hållbarhetsredovisning (RevR 6 Assurance of Sustainability)
RevR6 Procedure for assurance of sustainability report from Far, the Swedish auditors professional body
Saitama Prefecture Target-Setting Emissions Trading Program
SGS Sustainability Report Assurance
Spanish Institute of Registered Auditors (ICJCE)
SSAE 3000
Standard 3810N Assurance engagements relating to sustainability reports of the Royal Netherlands Institute of Registered Accountants
State of Israel Ministry of Environmental Protection, VERIFICATION OF GREENHOUSE GAS EMISSIONS AND EMISSIONS REDUCTION IN ISRAEL GUIDANCE DOCUMENT FOR CONDUCTING
Swiss Climate CO2 label
Thai Greenhouse Gas Management Organisation (TGO) Greenhouse Gas (GHG) Verification Protocol
Toitu Carbon Reduce/ Enviro-Mark
Tokyo Emissions Trading Scheme
USGBC PERFORM
Verification under the EU Emissions Trading Scheme (EU ETS) Directive and EU ETS-related national implementation laws
WAC 173-441
Assurance & Verification Scheme Evaluation
GRESB’s accepted assurance and verification standards, as well as criteria for accepted standards, are aligned with the Carbon Disclosure Project (CDP).
Additional schemes may also receive recognition if they meet GRESB’s criteria. To submit a new scheme for review, please download and complete the form below and send it to the GRESB team.
The final deadline for submitting a new assurance/verification scheme for review by the GRESB team is March 15. Schemes submitted for review after March 15th will not be reviewed until the subsequent reporting year.
Download the Assurance & Verification Scheme Evaluation Form below:

