Certificate GreenSign

The GreenSign certification programs are awarded by the GreenSign Institute which is based in Berlin, Germany. It offers certification programs for hotels (market leader in Germany), SPAs, offices and restaurants according to their sustainable engagement in national and international markets.

GreenSign certified hotels meet criteria regarding ecological standards, social commitment and economic longevity and are awared with a GreenSign Level 1-5 according to their holistic sustainability status quo.

Throughout the three years of certification validity, hotels have the opportunity to improve their sustainable performance with the help of GreenSign and its wide array of partners and experts.

Since summer 2022, the GreenSign hotel standard has been recognized by the Global Sustainble Tourism Council.

Certifying Organisation GreenSign Institut GmbH
Partner Organisation/s

BAUM e.V., Green Solutions Hotel Consulting, BNW, Fair Job Hotels and many more

License Period (years)  3 years
Certified Tourism (nr) more than 500

 online application



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Organisation GreenSign GmbH
Postal Address Nürnberger Straße 49, 10789 Berlin
Phone Number +49 30 3186280
Fax Number +49 (0)30 318 62 455
Webpage https://www.greensign.de/ - open in new window
Released 01/11/2023
Country Germany, Belgium, Denmark, France, Italy, Netherlands, Austria, Poland, Switzerland, Slovakia, Spain, South Africa, Czech Republic, Hungary, Thailand
Certified categories
  • Accommodation Providers Accommodation Providers
Operational level Global
Sustainability GSTC recognised
Credibility On-site audit
  • Certified tourism map on Tourism 2030
  • Unspecified