{"source":"Breaknorm","page":"https://breaknorm.co/tools/open-xchange/de","license":"https://breaknorm.co/terms","slug":"open-xchange","country":"DE","website":{"companies":2499,"by_headcount":[["2-10",1794],["0-1",644],["11-50",54],["51-200",6],["201-500",1]],"by_city":[["Berlin",73],["Hamburg",51],["Bremen",33],["Hannover",33],["Köln",23],["München",18],["Münster",18],["Duisburg",12],["Düsseldorf",12],["Oldenburg",10]]},"jobs":{"companies":2,"postings":0,"posting_companies":0,"by_headcount":[["11-50",1],["2-10",1]],"by_vertical":[["technology_software",2]],"by_city":[["Potsdam",1],["Stuttgart Stuttgart-Ost",1]],"by_function":[]},"overlap":0,"top_note":"Every company in the country whose own postings name the tool; job boards and portals left out.","top_total":2,"top":[{"domain":"laufzeit.net","name":"laufzeit.net","country":"DE","city":"Stuttgart Stuttgart-Ost","headcount":"11-50","leaf":"customer_support_helpdesk_software","summary":"The company is a remote support service that uses Teamviewer to connect with customers' computers and troubleshoot issues."},{"domain":"variomedia.de","name":"Variomedia AG","country":"DE","city":"Potsdam","headcount":"2-10","leaf":"other_web_hosting_and_domains","summary":"Variomedia AG is a domain registrar and IT service provider that registers and transfers domains, hosts email and websites, and manages DNS for businesses and i."}],"as_of":"2026-11-04","updated_at":"2026-10-30","hash":"bcfb520a72a47090","index_tier":2}