DOKOM21 is a regional telecommunications provider based in Dortmund.
Its service area includes Dortmund and the listed cities in the Ruhr region and Märkischer Kreis. DOKOM21 operates data centers at three geographically separate sites across the Ruhr region.
Based on the company’s public LinkedIn information, supplied through RevenueBase.
The services include telephone connections, internet access, voice-over-IP, fixed links for connecting locations, cable TV, and mobile services.
Source: LinkedIn company description · Retrieved October 13, 2026
The offering includes online data backup and data center services, as well as multimedia services for the housing industry.
Source: LinkedIn company description · Retrieved October 13, 2026
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Open the published source list.RevenueBase prepared this profile from the company’s public LinkedIn information and RevenueBase company data. These source records were retrieved on October 13, 2026. AI helped summarize these sources, with a separate automated check against the source text completed on November 3, 2026. Directory positions use company-contact counts from separate saved list snapshots dated September 15, 2026, September 16, 2026, September 18, 2026, September 19, 2026, September 20, 2026, September 21, 2026, September 27, 2026, September 28, 2026 and October 8, 2026. How the company lists are built.
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