Knowledge Networking Portal for Sustainable & Responsible Tourism
GreenSign
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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 fulfil criteria with regard to ecological standards, social commitment and economic sustainability and are awarded a degree of conformity according to their holistic sustainability performance. 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. GSTC recognized standard |
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| Certifying Organisation | GreenSign Institut GmbH | |
| Partner Organisation/s |
BAUM e.V., Green Solutions Hotel Consulting, BNW, Fair Job Hotels and many more |
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| License Period (years) | 3 years | |
| Certified Tourism (nr) |  more than 850 |
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| Services |
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| Organisation | GreenSign GmbH |
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| 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/ |
| Released | 10/02/2025 |
| Country | Germany, Belgium, Denmark, France, Italy, Netherlands, Austria, Poland, Switzerland, Slovakia, Spain, South Africa, Czech Republic, Hungary, Thailand |
| Certified categories |
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| Operational level | Global |
| Sustainability | Comprehensive |
| Credibility | 3rd party audit |
| Services |
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