Business Mobile Provider Comparison 2026

How many mobile networks are there in Germany?

The first step in any comparison is the network question, because a tariff is only as good as the network beneath it. Germany has four network operators: Telekom, Vodafone, o2 (Telefonica) and, since late 2023, the newcomer 1&1.

The 1&1 network reached around 25 percent of households by the end of 2025 and uses national roaming on Vodafone for the rest. Combined 5G area coverage across all networks stood at roughly 95 percent according to the Bundesnetzagentur, though the individual networks sit below that figure.

Alongside them, many service providers and MVNOs such as freenet Business resell tariffs on one of the existing networks. So the choice always comes down to the combination of network, tariff and service. Our mobile management overview sets out the options for companies.

Provider comparison: Telekom, Vodafone, o2 and 1&1

In the connect network test 2025/2026, Telekom ranks first, Vodafone second and o2 third. The gaps are narrowing, and 1&1 earned a “very good” rating for its young network for the first time.

Telekom is the choice for companies that put network quality over price, especially in rural areas, on construction sites and on motorways. Vodafone offers comparable quality in many regions at more attractive rates and is strong on pool models. o2 is technically on par in cities and often the price leader, but varies in rural coverage.

The catch: every operator only sells its own network and cannot offer an alternative at a poorly served site. A reliable tariff comparison therefore needs a view across all four networks, calculated per address.

Framework contract over list price: the biggest lever

The most important cost lever in business mobile is not the tariff name but the framework contract. Operators’ list prices are often 30 to 60 percent above what a framework contract achieves.

Traditionally the best conditions only applied from several hundred SIM cards. Through a procurement partner, those conditions can be brought in from the very first SIM, with identical network quality and a direct contract with the operator.

Further levers are consolidating all employees into one contract instead of many individual ones, shared data pools, removing unused options and renegotiating at contract renewal. Through the procurement pool, SAVECALL bundles demand across many companies.

Choosing the right network by location

Coverage is not a national average but a question of the specific site. A figure like “99 percent population coverage” says little about whether the network holds at your office, on your routes and at the customer.

The price gap between the best network and the cheapest provider is around 16 euros net per SIM per month on a typical 50 GB tariff. Across 20 SIMs that is about 320 euros a month. Whether the premium is worth it depends on the cost of an outage: a missed customer appointment or a failed mobile payment quickly exceeds the price difference.

A mix often makes sense: the strongest network for field staff and rural sites, a cheaper network for office staff in the city. An address-level network analysis is the basis for that decision.

Data volume, pool models and roaming

After the network choice, the usage profile decides the tariff. Too much booked volume is expensive; too little leads to throttling or costly top-ups.

Pool models are usually the most economical option for teams: instead of assigning each contract a fixed allowance, all SIMs share one data pool. Swings between heavy and light users balance out.

For international operations, check the roaming conditions outside the EU. EU roaming is usually included in business tariffs, often with Switzerland and the UK. Beyond that, eSIM profiles and country-specific packages beat expensive standard roaming, best managed through a central SIM management platform.

Selection guide: five steps to the right provider

Choosing a provider becomes predictable when it follows a fixed order. These five steps lead reliably to the right business mobile contract.

• First: clarify requirements: number of SIMs, usage profiles, main site and travel regions.
• Second: check coverage at address level, not by national average.
• Third: set the right network per user group, often a mix of two networks.
• Fourth: compare providers on framework-contract conditions, pool model and term, not on list price.
• Fifth: bundle contracts and secure a single point of contact for tariffs, devices and service.

If you would rather not run through these steps yourself, hand them to a vendor-neutral procurement partner. That saves time, creates negotiating leverage and keeps the decision transparent.