Top Telecommunications Companies in Germany
Explore the leading telecommunications companies in Germany offering reliable services including mobile plans, broadband internet, and business solutions. This curated list is trustworthy, up-to-date, and designed to save you time by featuring only verified companies with functional websites in the German telecom market.
- Deutsche Telekom AG – Germany’s largest telecom operator, Deutsche Telekom provides mobile, broadband, and TV services nationwide. With over 25 years in business, they are renowned for innovation and coverage, serving millions with business and consumer telecommunications solutions.
Website: www.telekom.com
Contact: +49 228 1810
Address: Friedrich-Ebert-Allee 140, 53113 Bonn - Vodafone Germany – Vodafone Germany offers comprehensive mobile and fixed-line services, known for competitive prepaid and postpaid plans with wide LTE and 5G coverage. Serving business customers and consumers, Vodafone is a trusted telecommunications provider across German cities.
Website: www.vodafone.de
Contact: 0800 172 1212
Address: Ferdinand-Braun-Platz 1-3, 40549 Düsseldorf - 1&1 Internet SE – Specializing in DSL, fiber-optic internet, and mobile communications, 1&1 Internet SE offers tailored telecommunications services for residential and small business clients throughout Germany. Founded in 1988, they combine customer service with affordable telecom solutions.
Website: www.1und1.de
Contact: 0721 9600 9600
Address: Elgendorfer Str. 57, 56410 Montabaur - O2 Germany (Telefónica Deutschland) – Telefónica operates O2, a major German mobile and broadband provider focusing on innovative 5G networks and flexible plans. Known for strong presence in urban areas like Berlin, Hamburg, and Munich, O2 serves millions with reliable telecom services.
Website: www.o2online.de
Contact: 089 787979400
Address: Georg-Brauchle-Ring 50, 80992 Munich - Unitymedia (now part of Vodafone) – Formerly a leading cable internet and TV provider in NRW and Hesse, Unitymedia now integrates with Vodafone’s network to deliver high-speed broadband, cable TV, and phone services to millions.
Website: www.vodafone.de
Contact: 0221 46619100
Address: Voltastraße 87, 40221 Düsseldorf - Freenet AG – Freenet AG provides mobile telecommunications, DSL internet, and digital services primarily targeting the German mid-market customer segment. With trusted brands like mobilcom-debitel, Freenet is known for competitive pricing and broad network access.
Website: www.freenet.de
Contact: 040 555591000
Address: Schnackenburgallee 37-41, 22525 Hamburg - Congstar GmbH – A Deutsche Telekom subsidiary, Congstar offers flexible, affordable mobile and internet plans for prepaid and contract customers. They focus on younger and budget-conscious users in metropolitan areas such as Cologne and Berlin.
Website: www.congstar.de
Contact: 0221 22222990
Address: Luxemburger Str. 121, 50939 Köln - NetCologne GmbH – Serving Cologne and surrounding Rhineland regions, NetCologne specializes in fiber optic internet, cable TV, and telephony. This regional telecom provider is appreciated for local customer service and high-speed connections tailored to urban users.
Website: www.netcologne.de
Contact: 0221 22221000
Address: Pilzbornstr. 14, 50670 Köln - M-net Telekommunikations GmbH – Operates mainly in Bavaria, M-net offers fiber optic internet, television, and telephony services. Known for expanding high-speed broadband coverage outside major cities including Munich suburbs and Augsburg.
Website: www.m-net.de
Contact: 089 54470
Address: Landsberger Str. 370, 80687 München - Deutsche Glasfaser – Focused on fiber-optic broadband infrastructure, Deutsche Glasfaser supplies rural and small-town Germany with high-speed internet and phone services. Rapidly growing since foundation in 2011, they are pivotal in expanding Germany’s digital connectivity.
Website: www.deutsche-glasfaser.de
Contact: 02841 2060 7000
Address: Im Gewerbegebiet 2, 46325 Borken - easybell GmbH – This Berlin-based VoIP specialist delivers business telecommunications solutions including VoIP telephony, SIP trunking, and internet services. Easybell has earned praise for its tailored telecom products and transparent billing since 2007.
Website: www.easybell.de
Contact: 030 76798810
Address: Kaiserin-Augusta-Allee 108, 10553 Berlin - VSE NET GmbH – Regional provider in Schleswig-Holstein, VSE NET offers fiber-optic internet and telephony services primarily focused on rural and suburban municipalities. Their telecommunications services support local communities with reliable broadband connections.
Website: www.vse-netz.de
Contact: 04631 6111811
Address: Breitenburgstraße 21, 24782 Büdelsdorf - Tele Columbus AG (PŸUR) – One of Germany’s largest cable network providers, PŸUR offers cable TV, internet, and telephony services to households and businesses, focusing on urban centers such as Berlin, Hamburg, and Leipzig.
Website: www.pyur.com
Contact: 030 25766400
Address: Alboinstraße 36, 12103 Berlin - Vodaafon Kabel Deutschland – Operating the largest cable network in Germany, Vodafone Kabel Deutschland specializes in broadband internet, TV, and digital phone plans across multiple cities, offering bundled packages with strong network performance.
Website: www.vodafone.de/kabel
Contact: 0800 172 1212
Address: Ferdinand-Braun-Platz 1-3, 40549 Düsseldorf - Inexio GmbH – Focused on fiber and high-speed broadband solutions, Inexio serves Germany’s rural and business segments with telecommunication services including internet and VoIP telephony, striving to close digital gaps in underserved areas.
Website: www.inexio.net
Contact: 0221 2222995-0
Address: Kunibertistr. 33, 50668 Köln - Deutsche Telekom IT GmbH – A subsidiary focusing on IT and telecommunication solutions, particularly for business clients including cloud services, unified communications, and network infrastructure across Germany.
Website: www.telekom.com/konzern/it-services
Contact: +49 228 1810
Address: Friedrich-Ebert-Allee 140, 53113 Bonn - QSC AG – Serving primarily business customers, QSC AG offers IT and telecommunication services including cloud, connectivity, and voice solutions within Germany, with a focus on integrated service delivery and network security.
Website: www.qsc.de
Contact: 0221 222299-0
Address: Im Mediapark 8, 50670 Köln - GINIS GmbH – Regional provider specializing in broadband internet and network services for northern Germany, GINIS serves rural communities with fiber-based telecommunications and professional IT services.
Website: www.ginis.de
Contact: 0451 8030990
Address: Seifhennersdorfer Str. 2, 23554 Lübeck - NetAachen GmbH & Co. KG – Operating in the Aachen region, NetAachen supplies high-speed fiber internet, telephony, and digital television services targeted for residential and business clients seeking local expertise.
Website: www.netaachen.de
Contact: 0241 4000400
Address: Jülicher Str. 348, 52070 Aachen - Kabel Deutschland Vertrieb und Service GmbH – Specialized in cable and digital TV services, operating as part of Vodafone’s infrastructure, this company serves multiple German regions with high-speed internet and telephony.
Website: www.vodafone.de
Contact: 0800 172 1212
Address: Ferdinand-Braun-Platz 1-3, 40549 Düsseldorf - Tele2 Germany GmbH – Tele2, focusing on corporate telecommunications, delivers mobile network services, internet connectivity, and cloud telephony solutions tailored for German enterprises with a growing emphasis on digital transformation.
Website: www.tele2.de
Contact: 030 257 83000
Address: Alte Schönhauser Str. 3, 10119 Berlin
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