Show all 25 topics
No article in the knowledge graph for 1&1 Telecom GmbH yet.
Who is 1&1 Telecom GmbH?
1&1 Telecom GmbH is a German telecommunications provider that offers fixed-line, broadband, and mobile services to consumer and business customers, including infrastructure-based services via its own networks and partner access.
- Fixed-line telephony and broadband internet access for residential and business users (connectivity services)
- Mobile communications services including voice, data, and messaging, based on own and partner network infrastructure (mobile network services)
- Internet access products such as DSL, VDSL, and fiber-based connections where available (fixed broadband services)
- Value-added services including hosting-related connectivity, optional hardware such as routers, and customer self-service portals (adjacent connectivity services)
- Wholesale and infrastructure-based services in cooperation with network and spectrum partners (telecom infrastructure services)
Show more
More About 1&1 Telecom GmbH
1&1 Telecom GmbH operates as a telecommunications company in Germany, providing fixed-line, broadband, and mobile communication services to private households, small and midsize businesses, and other organizational customers. The company is part of the 1&1 brand environment, which in turn is associated with United Internet AG, and focuses on connectivity offerings delivered over a mix of owned network assets and partner infrastructure. Its portfolio addresses requirements for internet access, voice services, and mobile data that are common in enterprise branch offices, home offices, and distributed workforces.
In the fixed broadband domain (fixed broadband services), 1&1 Telecom GmbH provides DSL and VDSL connections and, in certain regions, fiber-based access, which can be used for Virtual Private Network (VPN) tunnels, site-to-site connectivity, and access to cloud applications. These services typically rely on standard broadband technologies such as ADSL, VDSL, and Ethernet-based fiber connections, and use standard internet protocols including Transmission Control Protocol/Internet Protocol (TCP/IP), IPv4, and IPv6. Business customers can use these access lines as underlay for Software-Defined Wide Area Network (SD-WAN) deployments, managed firewall services, or cloud-based collaboration platforms sourced from their chosen IT providers.
In mobile communications (mobile network services), 1&1 Telecom GmbH offers mobile voice and data tariffs, SIM-only products, and device bundles, operating via established radio access and core network technologies made available through its own infrastructure build-out and partner networks. These services typically rely on 4G/LTE and, depending on coverage and current rollout, newer mobile standards for data connectivity. Enterprises and institutional customers can use mobile tariffs and data plans for employee connectivity, machine-to-machine links, and backup connectivity for distributed sites, often integrating them into mobile device management (MDM) and enterprise mobility management (EMM) frameworks.
1&1 Telecom GmbH also provides value-added offerings (adjacent connectivity services) such as customer self-service portals, online contract management, and optional hardware like routers and mobile devices. These components support provisioning, monitoring of usage, and administration of tariffs across multiple lines or sites. For enterprise technical stakeholders, these capabilities can integrate into IT service management and asset management workflows, using standard authentication and security approaches defined by the customer’s own environment.
From a marketplace and taxonomy perspective, 1&1 Telecom GmbH fits into categories such as fixed broadband connectivity, mobile network services, and telecom infrastructure services. Its services System Integration Testing (SIT) at the network access layer for many enterprise and institutional IT architectures, underpinning higher-layer services such as Software-as-a-Service (SaaS) applications, unified communications, and security platforms. For organizations designing connectivity strategies in Germany, 1&1 Telecom GmbH functions as an access provider and telecom partner that supplies the physical and logical links required to connect users, devices, and branch locations to the internet and private networks.
Our description of 1&1 Telecom GmbH. Updated December 2025.
