Certificate GreenSign

The GreenSign program is awarded by the GreenSign Institute which is based in Berlin, Germany and labels hotels, SPAs and offices according to their sustainable engagement in national and international markets.

GreenSign certified hotels meet criteria regarding ecological standards, social commitment and economic success and are awared with a GreenSign Level 1-5 according to their green 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

Green Solutions Hotel Consulting

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

 CO2 Footprint




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Organisation GreenSign GmbH
Postal Address Katharinenstraße 12, 10711 Berlin, Germany
Phone Number +49 30 318 62 84 21
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 3rd party audit
  • Certified tourism map on Tourism 2030
  • Unspecified