List of accepted certifications for tour & activity operators (2024)

We currently accept sustainability certifications for tour & activity operators from the following certification bodies (2024):


Operators certified to the GSTC Criteria by one of the following GSTC-Accredited Certification Bodies:
Bureau Veritas
Control Union
Royal Cert
United Certification Systems Ltd
Vireo Srl
Mauritius Standards Bureau: Blue Oasis

Operators with Certifications based on the following Internationally-Recognised Standards:
Actively Green Standard
Cabo Verde Sustainability Standard for Tour Operators
EarthCheck Evaluate and Company Standard
Mauritian Standard on Sustainable Tourism: Blue Oasis
Preferred by Nature Standard for Sustainable Travel Activities
Sustainable Travel Ireland
Travelife Standard for Tour Operators & Travel Agents
Adventure Green Alaska Standards
Ecotourism Australia's Standards
Miosotis Azores Standard
Qualmark Sustainable Tourism Business Criteria
TOFTigers Initiative's Pug Mark Eco Certification
Türkiye Sustainable Tourism Industry Criteria (TR-I)
Biosphere Standard for Tour Operators
Chile Sistema de Distinción en Turismo Sustenable (SERNATUR)
GreenStep Sustainable Tourism Standard
Nature's Best Sweden Standard
Sustainable Berlin Standard
TourCert Industry Criteria
Green Globe
GSTC Criteria

Additional certifications that we accept include:
B Corp Certification
PADI Eco Centers
Swisstainable Level II (Engaged) and Level III (Leading)
Activities offered or operated by registered charities