Looking for logging into the So1 site and are not getting the correct working link for it? In such a case, you can use the links given here by searching your desired login page in the search box. If the page is present on our website then you will get all the links related to the So1 site. After that you can login as usual with your login credentials.
https://www.horizont.net/planung-analyse/nachrichten/partnerschaft-gfk-kooperiert-mit-startup-so1-172157
https://www.gruenderszene.de/allgemein/so1-target-partners
https://www.marktforschung.de/aktuelles/marktforschung/gfk-kooperiert-mit-so1/
http://www.google.de/url?url=http://www.interreg-central.eu/Content.Node/SO1.2.html
https://books.google.de/books?id=ef4iBAAAQBAJ&pg=PA717&lpg=PA717&dq=so1+login
http://www.google.de/url?url=http://www.interreg-central.eu/Content.Node/SO1.1.html
https://books.google.de/books?id=HyKrKzPq8rcC&pg=PA607&lpg=PA607&dq=so1+login
https://www.equinix.de/locations/bulgaria-colocation/sofia-data-centers/so1/
https://www.hamburg.de/inklusion-in-hamburgs-schulen-informationen-paed-personal/
https://www.hotelcareer.de/jobs/so1-gmbh-89497
https://onlinemarketing.de/news/d3con-2017-interview-raimund-bau-so1
https://www.lebensmittelzeitung.net/it-logistik/Individuelle-Coupons-Personalisierte-Promotions-von-GfK-und-SO1-138972
https://www.freeipa.org/page/SolarisPamConf10