Legal notice

collana IT GmbH is responsible for the content of this website.


collana IT GmbH for swiss1mobile AG

Lise-Meitner-Str. 14
D-24941 Flensburg


Phone: +49 (0)40 . 80 81 38 040
Fax: +49 (0)461 . 43 055 180



Dirk Wieland
Chief Executive Officer (CEO)


Fabian Gehlhaar
Chief Financial Officer (CFO)


Nicole Wehner
Chief Marketing Officer (CMO)


Dr. Andreas Thies
Chief Technology Officer (CTO)


Amtsgericht Flensburg HRB 14643 FL
UStID-Nr.: DE 339343501


swiss1mobile AG

Sihleggstr. 23
CH - 8832 Wollerau
Telefon: +41 43 501 17 17



We may also provide hyperlinks to other websites on our website. We are not responsible for the content of linked websites and have no influence over them. It is not possible for us to carry out comprehensive checks on the linked websites, especially as the content is always subject to change. Under no circumstances do we adopt the content of linked websites as our own. Should you discover any legal offences on a linked website, please inform us briefly so that we can consider removing the link.


Data Protection Officer:

Keyed GmbH
Siemensstraße 12
48341 Altenberge
Phone: +49 2505-639797


Liability insurance details:
Business and professional liability insurance, insurance policy number AS-6206165724 with Allianz Versicherungs-Aktiengesellschaft, Munich, Germany with a currently valid sum insured of EUR 5,000,000 for personal injury and property damage as well as financial losses per insured event. The maximum compensation for all insured events in an insurance year is twice this sum insured. The public liability insurance is valid worldwide for employees and services of collana IT GmbH.


Design and conception:

h&h brand design |



Picture credits:

Bewegtbild GmbH & Co.KG
von Dorsch GmbH & Co. KG
Tim Streland
Adobe Stock | juniart
Adobe Stock | Gorodenkoff
Adobe Stock | insta_photos
Adobe Stock | pikselstock
Adobe Stock | Jeanette Dietl
Adobe Stock | Syda Productions
Adobe Stock | davidionut

Shutterstock | Gorodenkoff
Shutterstock | Ground Picture
Shutterstock | Monkey Business Images
Shutterstock | DC Studio
Shutterstock | Dusan Petkovic
Shutterstock | People Image Studio
Shutterstock | Anton_AV
Shutterstock |
Shutterstock | Krakenimages
Shutterstock | Juice Flair
Shutterstock | Aleksandar Malivuk
Shutterstock | Halfpoint
Shutterstock | Kite_rin
Shutterstock | LDprod
Shutterstock | Gumbariya
Shutterstock | panuwat phimpha
Shutterstock | DenPhotos
Shutterstock | RossHelen
Shutterstock | Just Life
Shutterstock | LightField Studios
Shutterstock | chainarong06  
Shutterstock | goodluz  
Shutterstock | Pressmaster
Shutterstock | Towfiqu ahamed barbhuiya
Shutterstock | Gearstd
Shutterstock | Graphic farm
Shutterstock | Portrait Image Asia
Shutterstock | Radachynskyi Serhii  
Shutterstock | Jakob Lund
Shutterstock | Blue Titan  
Shutterstock | Gerckens-Photo-Hamburg  
Shutterstock | Carina-Foto
Shutterstock | Boris Stroujko
Shutterstock |
Shutterstock | ohenze
Shutterstock | Marc Schmidlin
Shutterstock | dencg

Bild BER | ©Ekaterina Zershchikova / Flughafen Berlin Brandenburg GmbH
Das alte Rathaus in Itzehoe | Autor: Nightflyer