Who is 1&1?
1&1 is a Germany-based telecommunications and internet services provider offering mobile, broadband, and related digital infrastructure for consumer and business use.
- Mobile network services (mobile connectivity) for consumers and enterprises in Germany
- Fixed-line and broadband access (connectivity) for residential and business locations
- Data center and hosting capacities (infrastructure services) supporting its network and service delivery
- Value-added communication services (communications services), such as voice, messaging, and related digital services
- Wholesale and partner models (telecom wholesale) for network capacity and service reselling
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More About 1&1
1&1 operates as a telecommunications provider focused on mobile and fixed broadband connectivity in Germany, with offerings that target both private and business customers. For enterprise and institutional environments, its services provide network access, last-mile connectivity, and related communication capabilities that can be integrated into corporate Wide Area Network (WAN), internet access, and branch connectivity architectures. The company’s activities align with categories such as mobile network operator services, fixed broadband access, and infrastructure-backed communication services.
In mobile communications (mobile connectivity), 1&1 provides SIM-based access, voice, data, and messaging services that enterprises can use for employee mobility, Internet of Things (IoT) endpoints, and backup connectivity scenarios. These services typically integrate into customer device management, security, and Virtual Private Network (VPN) frameworks, and can be combined with standard protocols such as Long Term Evolution (LTE) and 5G mobile standards, IP-based voice, and SMS/MMS messaging for application integration. For organizations that rely on mobile devices and mobile data plans, 1&1’s offerings function as one of several carrier options that can be combined in multi-carrier strategies.
In fixed-line and broadband (connectivity), 1&1 delivers internet access and telephony services using common broadband technologies available in Germany, such as DSL, VDSL, and fiber-based connections where available. Enterprises can use these services for office connectivity, home-office links for employees, and small-site branches, typically connecting via standard IP routing, VPN tunnels, and enterprise security gateways. These access lines fit into broader network designs that may combine Multiprotocol Label Switching (MPLS) from other providers, Software-Defined Wide Area Network (SD-WAN) overlays, or hybrid WAN models using both fixed and mobile connections.
1&1 also operates network infrastructure and data center capacities (infrastructure services) to support its telecommunications offerings. These facilities host network platforms, customer management systems, and service delivery components. In some contexts, this infrastructure underpins wholesale arrangements and partner offerings (telecom wholesale), where other providers or partners can make use of network capacity or resell services under their own branding. For technical buyers, 1&1 is therefore categorized as a telecoms network operator with services spanning mobile connectivity, fixed broadband access, and related communication and wholesale models that integrate into standard IP networking and enterprise connectivity architectures.
Our description of 1&1. Updated December 2025.
