Service Provider

Sierra Germany GmbH

Hamborner Straße 53
40472 Düsseldorf

CEO: Christoph Billwiller, Cristina Santos, Jorge Morgadinho

Local Court Düsseldorf HRB 53615
VAT.-ID.-Nr. DE 207057246
VAT.-Nr. 5105/5843/0931

Phone: 0049 - (0) 30 - 211 436 16 200

Liability for links and provided content

The content of this website has been carefully prepared and examined and was prepared to the best of our knowledge. But we can not guarantee the correctness, the completeness, the topicality or the quality of the information provided.

Our website contains links to third-party-websites. The provider of third-party-websites is responsible for the displayed content on these third-party-websites. When setting a link we verified that those third-party websites did not contain any infringing content.

However, we do not have any influence of the current content provided on the linked third-party-websites. Thus, we herewith explicitly distance ourselves from all contents of all linked third-party-websites and do not adopt such content as our own.


Copyrights and trade marks

The content provided on this website is subject to copyrights and other intellectual property rights (trademarks, designs etc.) for which the respective national laws apply.

The use of such content, in general, is prohibited without the right holder’s consent.

However, copies and downloads for private and non-commercial purposes are admissible. We pay attention to third party copyrights. Third party content is marked as such.

Copyright notice:

Category / Images

© Alexander Herold 
Home / Alexa Mall - Centered
Home / Alexa Outside
Initatoren / Alexa Outside
Impressum / Alexa Mall - Centered
Teilnahmebedingungen / Alexa Mall - Centered

© SeanPavonePhoto /
Home / Berlin Skyline Alex-Tower
Data Security / Berlin Skyline Alex-Tower

© davis /
Wettbewerb / Berlin Skyline

© Patrick Rudolph
Wettbewerb / Hutstyler Store

© Thomas Koy / K + W Fotografie
Preis / Hutstyler
Preis / Entrance

© Marc Winkel-Blackmore / K + W Fotografie
Home / Alexa Mall - Zara
Ablauf / Alexa Mall - Zara
Kontakt / Alexa - Bus

© Thomas Rafalzyk
Preis / Alexa - People Outside

© Goncalo Silva
Preis / David Beckham

© Gerber86 /
Wettberb / People in Meeting
Bewerbung / People in Meeting
Upload / People - Woman on Computer

© Andre Wagner / IHK Berlin
Jury / Image Markus Heckhausen

© huseyintuncer, iStockphoto
Jury / Manhattan New York City