Skip to main content

Find GreenSign Office:

 Reset
Only businesses with a certified CO2-footprint
All information about the GreenSign Office certification

the niu Belt

the niu Belt
Mergenthalerallee 23-25
65760 Eschborn
Germany
Sustainability Barometer:

Overview of sustainability performance in the individual core areas of certification.

Gültig bis: 03.10.2026
62%
Management and Communication:
Environment - energy:
Environment - water:
Environment - waste:
Biodiversity and cultural heritage:
Purchasing:
Regionality and mobility :
Quality management and sustainable development:
Social responsibility:
Economic responsibility:
Zertifikat-Registrier-Nr.: 100-00807-2023-11-03-1

7THINGS hotel & apartment

Universitätsallee 4
28359 Bremen
Germany
Sustainability Barometer:

Overview of sustainability performance in the individual core areas of certification.

Gültig bis: 31.12.2028
62%
Management and communication:
Environment - Energy:
Environment - Water:
Environment - Waste:
Biodiversity and cultural heritage:
Purchasing:
Regionality and mobility:
Quality management and sustainable development:
Social responsibility:
Economic responsibility:
Zertifikat-Registrier-Nr.: 100-01251-2026-04-30-1

Gartenhotel Crystal

Hochfügener Str. 63
6263 Fügen
Austria
Sustainability Barometer:

Overview of sustainability performance in the individual core areas of certification.

Gültig bis: 01.07.2028
62%
Management and communication:
Environment - Energy:
Environment - Water:
Environment - Waste:
Biodiversity and cultural heritage:
Purchasing:
Regionality and mobility:
Quality management and sustainable development:
Social responsibility:
Economic responsibility:
Zertifikat-Registrier-Nr.: 100-01215-2026-03-16-1

Schlosshotel Karlsruhe

Schlosshotel Karlsruhe
Bahnhofpl. 2
76137 Karlsruhe
Germany
Sustainability Barometer:

Overview of sustainability performance in the individual core areas of certification.

Gültig bis: 20.12.2028
62%
Management and communication:
Environment - Energy:
Environment - Water:
Environment - Waste:
Biodiversity and cultural heritage:
Purchasing:
Regionality and mobility:
Quality management and sustainable development:
Social responsibility:
Economic responsibility:
Zertifikat-Registrier-Nr.: 100-00518-2025-12-18-2

a&o Hostel Köln Dom

a&o Hostel Köln Dom
Komödienstraße 19-21
50667 Köln
Germany
Sustainability Barometer:

Overview of sustainability performance in the individual core areas of certification.

Gültig bis: 02.05.2029
62%
Management and communication:
Environment - Energy:
Environment - Water:
Environment - Waste:
Biodiversity and cultural heritage:
Purchasing:
Regionality and mobility:
Quality management and sustainable development:
Social responsibility:
Economic responsibility:
Zertifikat-Registrier-Nr.: 100-00188-2026-01-16-2

Novotel Karlsruhe City

Novotel Karlsruhe City
Festpl. 2
76137 Karlsruhe
Germany
Sustainability Barometer:

Overview of sustainability performance in the individual core areas of certification.

Gültig bis: 28.02.2027
62%
Management and communication:
Environment - Energy:
Environment - Water:
Environment - Waste:
Biodiversity and cultural heritage:
Purchasing:
Regionality and mobility:
Quality management and sustainable development:
Social responsibility:
Economic responsibility:
Zertifikat-Registrier-Nr.: 100-00943-2024-07-07-1

Kaisergarten Deidesheim

Kaisergarten Deidesheim
Weinstraße 12
67146 Deidesheim
Germany
Sustainability Barometer:

Overview of sustainability performance in the individual core areas of certification.

Gültig bis: 23.05.2027
62%
Management and communication:
Environment - Energy:
Environment - Water:
Environment - Waste:
Biodiversity and cultural heritage:
Purchasing:
Regionality and mobility:
Quality management and sustainable development:
Social responsibility:
Economic responsibility:
Zertifikat-Registrier-Nr.: 100-01005-2024-05-23-1

a&o Hostel Köln Hauptbahnhof

a&o Hostel Köln Hauptbahnhof
Ursulaplatz 10-12
50668 Köln
Germany
Sustainability Barometer:

Overview of sustainability performance in the individual core areas of certification.

Gültig bis: 02.05.2029
62%
Management and communication:
Environment - Energy:
Environment - Water:
Environment - Waste:
Biodiversity and cultural heritage:
Purchasing:
Regionality and mobility:
Quality management and sustainable development:
Social responsibility:
Economic responsibility:
Zertifikat-Registrier-Nr.: 100-00187-2026-01-16-2

the niu Star

the niu Star
Neckarstraße 38
71065 Sindelfingen
Germany
Sustainability Barometer:

Overview of sustainability performance in the individual core areas of certification.

Gültig bis: 26.10.2026
62%
Management and Communication:
Environment - energy:
Environment - water:
Environment - waste:
Biodiversity and cultural heritage:
Purchasing:
Regionality and mobility :
Quality management and sustainable development:
Social responsibility:
Economic responsibility:
Zertifikat-Registrier-Nr.: 100-00856-2023-11-16-1

Hotel the YARD

Hotel the YARD
Alexandrinenstraße 125
10969 Berlin
Germany
Sustainability Barometer:

Overview of sustainability performance in the individual core areas of certification.

GreenSign in Progress

Hotel St. Raphael im Allgäu

Bischof-Freundorfer-Weg 24
87439 Kempten
Germany
Sustainability Barometer:

Overview of sustainability performance in the individual core areas of certification.

Gültig bis: 01.01.2029
62%
Management and communication:
Environment - Energy:
Environment - Water:
Environment - Waste:
Biodiversity and cultural heritage:
Purchasing:
Regionality and mobility:
Quality management and sustainable development:
Social responsibility:
Economic responsibility:
Zertifikat-Registrier-Nr.: 100-01256-2026-06-23-1

Hotel Schillerhof Weimar

Hotel Schillerhof Weimar
Schützengasse 1
99423 Weimar
Germany
Sustainability Barometer:

Overview of sustainability performance in the individual core areas of certification.

GreenSign in Progress

Novum Hotel Aviva

Novum Hotel Aviva
Zschortauer Straße 96
4129 Leipzig
Germany
Sustainability Barometer:

Overview of sustainability performance in the individual core areas of certification.

Gültig bis: 18.10.2026
62%
Management and Communication:
Environment - energy:
Environment - water:
Environment - waste:
Biodiversity and cultural heritage:
Purchasing:
Regionality and mobility :
Quality management and sustainable development:
Social responsibility:
Economic responsibility:
Zertifikat-Registrier-Nr.: 100-00814-2023-10-17-1

Garner Hotel Osnabrück

Garner Hotel Osnabrück
Blumenhaller Weg 152
49078 Osnabrück
Germany
Sustainability Barometer:

Overview of sustainability performance in the individual core areas of certification.

Gültig bis: 26.10.2026
62%
Management and Communication:
Environment - energy:
Environment - water:
Environment - waste:
Biodiversity and cultural heritage:
Purchasing:
Regionality and mobility :
Quality management and sustainable development:
Social responsibility:
Economic responsibility:
Zertifikat-Registrier-Nr.: 100-00820-2023-08-10-1

Heide Hotel Reinstorf

Heide Hotel Reinstorf
Alte Schulstraße 6
21400 Reinstorf
Germany
Sustainability Barometer:

Overview of sustainability performance in the individual core areas of certification.

Gültig bis: 11.04.2028
62%
Management and communication:
Environment - Energy:
Environment - Water:
Environment - Waste:
Biodiversity and cultural heritage:
Purchasing:
Regionality and mobility:
Quality management and sustainable development:
Social responsibility:
Economic responsibility:
Zertifikat-Registrier-Nr.: 100-01150-2025-07-30-1

The Blasky Hotel & Rooftop

Ziegelhüttenweg 43
60487 Frankfurt am Main
Germany
Sustainability Barometer:

Overview of sustainability performance in the individual core areas of certification.

GreenSign in Progress

Best Western Hotel Rebstock

Best Western Hotel Rebstock
Thalerstrasse 57
9404 Rorschacherberg
Switzerland
Sustainability Barometer:

Overview of sustainability performance in the individual core areas of certification.

Gültig bis: 16.03.2028
62%
Management and communication:
Environment - Energy:
Environment - Water:
Environment - Waste:
Biodiversity and cultural heritage:
Purchasing:
Regionality and mobility:
Quality management and sustainable development:
Social responsibility:
Economic responsibility:
Zertifikat-Registrier-Nr.: 100-01162-2025-12-11-2

Precise Resort Tenerife

Precise Resort Tenerife
El Burgado
38410 Puerto de la Cruz, Santa Cruz de Tenerife
Spain
Sustainability Barometer:

Overview of sustainability performance in the individual core areas of certification.

Gültig bis: 12.03.2027
61%
Management and communication:
Environment - Energy:
Environment - Water:
Environment - Waste:
Biodiversity and cultural heritage:
Purchasing:
Regionality and mobility:
Quality management and sustainable development:
Social responsibility:
Economic responsibility:
Zertifikat-Registrier-Nr.: 100-00952-2024-08-07-1

Welcome Hotel Legden

Haidkamp 1
48739 Legden
Germany
Sustainability Barometer:

Overview of sustainability performance in the individual core areas of certification.

Gültig bis: 01.01.2029
61%
Management and communication:
Environment - Energy:
Environment - Water:
Environment - Waste:
Biodiversity and cultural heritage:
Purchasing:
Regionality and mobility:
Quality management and sustainable development:
Social responsibility:
Economic responsibility:
51.30 t/employee
Zertifikat-Registrier-Nr.: 100-01234-2026-03-03-1

Toskana Therme Bad Schandau

Toskana Therme Bad Schandau
Rudolf - Sendig - Str. 8a
01814 Bad Schandau
Germany
Sustainability Barometer:

Overview of sustainability performance in the individual core areas of certification.

Gültig bis: 09.01.2029
61%
Management and communication:
Environment - energy:
Environment - water:
Environment - waste:
Biodiversity and cultural heritage:
Purchasing:
Regionality and mobility:
Quality management & sustainable development:
Social responsibility:
Economic responsibility:
Catering (only when bistro/restaurant are available):
Zertifikat-Registrier-Nr.: 130-00546-2026-10-23-2