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Our accreditations

VERIFAVIA is the world's leading independent accredited verification body of greenhouse gas emissions for aviation, airports and shipping.

Between 2010 and 2019, VERIFAVIA conducted carbon emissions verification of nearly 800 different aircraft operators - including 150+ commercial airlines - from 70 countries worldwide.

VERIFAVIA also verified 70+ airports worldwide at all levels of the Airport Carbon Accreditation (ACA), and verified 1800+ ships from 220+ shipping companies.

Aviation EU ETS


VERIFAVIA is accredited by the United Kingdom Accreditation Service (UKAS) according to ISO 14065:2013 for aviation (EU ETS and CORSIA) and shipping (EU MRV).

VERIFAVIA is accredited to conduct independent EU ETS verification for any aircraft operator worldwide reporting to any Competent Authority.

ICAO's Carbon Offsetting & Reduction Scheme for International Aviation (CORSIA)


VERIFAVIA is accredited by the United Kingdom Accreditation Service (UKAS) and the Singapore Accreditation Council (SAC) for CORSIA. These accreditations enable VERIFAVIA to provide competitive and hassle-free CORSIA verification services to all airlines and operators worldwide.

> See our accreditation on UKAS website
> See our accreditation on SAC website
> See our accreditation announcement

Airport Carbon Accreditation (ACA)

VERIFAVIA is recognized by ACI Europe and WSP Environment & Energy (the administrator of the ACA programme) as an approved independent third-party verifier that can provide verification to airports applying for Airport Carbon Accreditation (levels 1, 2, 3 or 3+).

VERIFAVIA conducts verification of GHG emissions at airports according to the ISO 14064-3 standard, the GHG Protocol and the Airport Carbon Accreditation rules.

Airport Carbon Accreditation - List of verifiers

Maritime Transport

VERIFAVIA is Fully Accredited by the United Kingdom Accreditation Service (UKAS) and the French Accreditation Body (COFRAC) as a Global EU Monitoring, Reporting, and Verification (MRV) Verifier.

VERIFAVIA (UK) Ltd is accredited by UKAS, and VERIFAVIA SARL is accredited by COFRAC.

Our UKAS and COFRAC accreditations allow VERIFAVIA to assess monitoring plans and verify emission reports according to the ISO 14065 standard and Regulation 757/2015 (EU MRV).

Our accreditations allow us to assess or verify any ship anywhere in the world, regardless of country of ownership, flag state, or class.

VERIFAVIA is also fully authorized by the Panama Maritime Authority, the Liberia Maritime Authority, the Antigua & Barbuda Department of Marine Services and the Merchant Shipping (ADOMS), the Palau International Ship Registry, the Vanuatu Maritime Services and the Commonwealth of Dominica International Maritime Registry to conduct IMO Data Collection System (DCS) verification services for all flagged vessels registered in Panama, Liberia, Antigua & Barbuda, Palau, Vanuatu and Dominica. 

Through our partner Recognized Organizations (ROs), we can also provide IMO DCS verification services to ships registered in numerous Flag States including Azerbaijan, Barbados, Belarus, Belize, Bolivia, Cambodia, Cape Verde, Colombia, Comoros, Cook Islands, Costa Rica, Ecuador, Equatorial Guinea, Guinea, Honduras, Jamaica, Jordan, Kenya, Kiribati, Lebanon, Libya, Madagascar, Moldova, Mongolia, Nigeria, Niue, Paraguay, Saint Kitts & Nevis, Saint Vincent & the Grenadines, Sudan, Syria, Tanzania, Togo and the United Arab Emirates. 

VERIFAVIA is also approved by the Clean Shipping Index (CSI) to perform CSI verification, and by the Clean Cargo Working Group (CCWG) to perform CCWG verification.

  > Read our accreditation announcement (Panama)

Union Registry

VERIFAVIA holds a total of 19 open verifer accounts in the Union Registry. These verifier accounts allow Verifavia to approve the annual emissions of its clients directly through the Union Registry.
Country Status / URID
Austria AT771753173913
Belgium Not required for verifiers
Bulgaria Not required for verifiers
Croatia Open
Cyprus CY9191466162608
Czech Republic Not required for verifiers
Denmark DK618272496889
Estonia EE338190743843
Finland FI526717128467
France Not required for verifiers
Germany DE292823510995
Greece GR869774181746
Hungary HU429941952480
Iceland IS504632869456
Ireland IE487341996893
Italy IT616326087376
Latvia LV919394611694
Liechtenstein Not requested
Lithuania LT733846578074
Luxembourg LU311802819964
Malta MT647155644148
Netherlands NL410848085133
Norway NO475349425306
Poland Not required for verifiers
Portugal PT285250453284
Romania Not requested
Slovakia Not requested
Slovenia Not requested
Spain Not required for verifiers
Sweden SE714756158496
United Kingdom GB352872442619

> Access to the Union Registry