VoIP

Top VoIP companies in Germany - October, 2026

Q: What is Deutsche Telekom's revenue?

Deutsche Telekom 's revenue is $134.6B

Q: What is Vodafone Germany's revenue?

Vodafone Germany 's revenue is $15.2B

Q: What is O₂ Telefónica's revenue?

O₂ Telefónica 's revenue is $9.6B

Listed below are the top companies in Germany by revenue as of October 2026. With $134.6B in revenue, Deutsche Telekom is ranked first on the list, followed by Vodafone Germany with $15.2B in revenue and O₂ Telefónica with $9.6B in revenue. Find additional information about companies in Germany such as their contact details, employees, location, org chart, news and much more.

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- Deutsche Telekom
- VoIP , Telecommunications , Internet Service Providers, Website Hosting & Internet-related Services
- Bonn, Nordrhein-Westfalen, Germany
- $134.6B
- 10K+
- Vodafone Germany
- VoIP , Telecommunications , Internet Service Providers, Website Hosting & Internet-related Services
- Duesseldorf, Nordrhein-Westfalen, Germany
- $15.2B
- 10K+
- O₂ Telefónica
- VoIP , Telecommunications , Internet Service Providers, Website Hosting & Internet-related Services
- Munich, Bavaria, Germany
- $9.6B
- 5K - 10K
- 1&1
- VoIP , Telecommunications , Internet Service Providers, Website Hosting & Internet-related Services
- Montabaur, Rheinland-Pfalz, Germany
- $4.4B
- 1K - 5K
- Giesecke & Devrient
- VoIP , Telecommunications , Manufacturing | 3 More
- Munich, Bavaria, Germany
- $3.3B
- 10K+
- freenet group
- VoIP , Telecommunications , Internet Service Providers, Website Hosting & Internet-related Services
- Buedelsdorf, Schleswig-Holstein, Germany
- $2.9B
- 1K - 5K
- Vantage Towers
- VoIP , Telecommunications
- Düsseldorf, Nordrhein-Westfalen, Germany
- $1.1B
- 501-1,000
- E - PCPM
- VoIP , Telecommunications
- Duesseldorf, North Rhine-Westphalia, Germany
- $686.3M
- 1K - 5K
- 1&1 Versatel
- VoIP , Telecommunications , Internet Service Providers, Website Hosting & Internet-related Services
- Duesseldorf, North Rhine-Westphalia, Germany
- $610.1M
- 1K - 5K
- mobilcom-debitel
- VoIP , Telecommunications , Internet Service Providers, Website Hosting & Internet-related Services
- Bad Oeynhausen, Nordrhein-Westfalen, Germany
- $554.2M
- 1K - 5K

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Frequently Asked Questions Regarding Top VoIP companies in Germany - October, 2026

Is Deutsche Telekom the biggest company in the world?

Deutsche Telekom is the top company in Germany by revenue, with $134.6B in revenue

Is Vodafone Germany the biggest company in the world?

Vodafone Germany is the second largest company in Germany by revenue, with $15.2B in revenue

Is Deutsche Telekom the largest company by revenue?

Deutsche Telekom is the largest company by revenue, with $134.6B in revenue

What is Deutsche Telekom's revenue?

Deutsche Telekom's revenue is $134.6B

What is Vodafone Germany's revenue?

Vodafone Germany's revenue is $15.2B

What is O₂ Telefónica's revenue?

O₂ Telefónica's revenue is $9.6B

See more information about top companies

Top VoIP companies in Germany - October, 2026

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