1&1 Internet, Ltd.
 | |
| Type: | Publicly held |
| Industry: | Internet |
| Founded: | 1988 |
| Founder(s): | Ralph Dommermuth |
| Headquarters: | 701 Lee Rd, Ste 300 Chesterbrook, PA |
| Country: | USA |
| Employees: | 4561 |
| Website: | order.1and1.com |
| Facebook: | 1 and 1 |
| Twitter: |  and 1 @1 and 1
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| Key People | |
| Oliver Mauss, CEO | |