3u telecom gmbh

3U TELECOM GmbH is a German telecommunications and data-centre services provider, operating under the umbrella of 3U Holding AG. Established to serve network operators, resellers and enterprises with colocation, cloud, and voice/telecom services, 3U TELECOM has positioned itself to deliver integrated end-to-end ICT infrastructure across Germany.

With owned data-centres located in cities such as Berlin, Hannover, Marburg and Frankfurt, 3U TELECOM leverages its footprints in multiple German cities to ensure regional presence, network reach and redundancy. 

Its unique positioning is in merging voice/telecom services with data-centre and cloud infrastructure, making it a hybrid provider for businesses seeking both connectivity and hosting within Germany.

⚙️ Facility Highlights

• Operates multiple data centre sites – including in Hannover (600 m² server floor) and Berlin. 
• Achieved infrastructure upgrades to aim for Tier II standards (TIA-942) with N+1 redundancy in cooling and power systems. 
• Cooling solutions include free-cooling combined chiller/air-conditioning systems, optimizing energy efficiency. 
• Redundant power and UPS, multiple feed systems and diesel backup generators ensure high availability. 
• Own network infrastructure and colocation/hosting services allow integrated cloud, telecom and infrastructure deployments.

🔐 Security & Compliance

• Holds ISO/IEC 27001 certification for its information-security management system. 
• Physical security measures across its data centre sites include 24/7 monitoring, biometric or card‐controlled access, CCTV surveillance and dedicated security staff (as described in facility specs for Hannover). 
• Risk management and operational continuity measures embedded in facility modernisation projects e.g., Hannover upgrade. 

🌐 Connectivity & Carrier Access

• Supports carrier-neutral colocation and voice/telecom services, making it suitable for network operators and enterprises alike. 
• Facilities are located in major German hubs (Berlin, Frankfurt, Hannover), offering fiber-diverse paths, interconnection options and proximity to major Internet Exchanges. 
• Integrated network infrastructure means customers can leverage colocation, cloud, and connectivity from a single provider. 

💼 Who It Serves

• Network operators, resellers and telecom carriers seeking voice services, network access and colocation in Germany. 
• Enterprises and mid-sized companies requiring dedicated data centre space, hosting, cloud and managed services within Germany for compliance and latency reasons.
• Businesses needing hybrid solutions (connectivity + hosting + cloud) from one provider to simplify vendor management and integration.
• Organisations valuing German-based infrastructure for data sovereignty, security and regional support.