# 1&1 Drillisch (1&1 AG)
> 1&1 Drillisch (officially 1&1 AG) is a leading German telecommunications provider headquartered in Montabaur. It operates as a subsidiary of United Internet and is currently establishing Germany's fourth mobile network using innovative OpenRAN technology. The company offers a wide range of mobile, broadband, and value-added services both through its premium 1&1 brand and various discount sub-brands.
- URL: https://optimly.ai/brand/1-1-drillisch
- Slug: 1-1-drillisch
- BAI Score: 88/100
- Archetype: Challenger
- Category: Telecommunications
- Last Analyzed: April 10, 2026
- Part of: United Internet (https://optimly.ai/brand/united-internet)
## Competitors
- Deutsche Telekom (https://optimly.ai/brand/deutsche-telekom)
- Vodafone Germany (https://optimly.ai/brand/vodafone-germany)