Which organizations are authorized to verify carbon footprint reports?

Which organizations are authorized to verify carbon footprint reports?

The international and national (in Turkey) authorized organizations that verify carbon footprint reports are as follows:

International Accreditation Forum (IAF): IAF is an international accreditation organization. IAF accredits organizations that verify carbon footprint reports.

International Greenhouse Gas Verification Council (IGAC): IGAC is an international organization for the verification of greenhouse gas emissions. IGAS accredits organizations that verify carbon footprint reports.

Turkish Accreditation Agency (TURKAK): TURKAK is Turkey's national accreditation body. TURKAK accredits organizations that verify carbon footprint reports.