Every brand United Internet owns
9 brands, sorted alphabetically. Brands with their own page link through; others are listed here with their source. See the company profile and ownership tree.
| Brand | Category | Origin | Held via | Stake | Since | Confidence | Source |
|---|---|---|---|---|---|---|---|
| Arsys | Website & store builders | 🇪🇸 Spain | IONOS | 100% | — | reported | IONOS Group SE, Oct 2026 |
| Fasthosts | Website & store builders | 🇬🇧 United Kingdom | IONOS | 100% | — | reported | IONOS Group SE, Oct 2026 |
| home.pl | Website & store builders | 🇵🇱 Poland | IONOS | 100% | — | reported | IONOS Group SE, Oct 2026 |
| IONOS | Website & store builders | 🇩🇪 Germany | IONOS | 100% | — | reported | IONOS Group SE, Oct 2026 |
| Sedo | Website & store builders | 🇩🇪 Germany | IONOS | 100% | — | reported | IONOS Group SE, Oct 2026 |
| STRATO | Website & store builders | 🇩🇪 Germany | IONOS | 100% | — | reported | IONOS Group SE, Oct 2026 |
| united-domains | Website & store builders | 🇩🇪 Germany | IONOS | 100% | — | reported | IONOS Group SE, Oct 2026 |
| we22 | Website & store builders | 🇩🇪 Germany | IONOS | 100% | — | reported | IONOS Group SE, Oct 2026 |
| world4you | Website & store builders | 🇦🇹 Austria | IONOS | 100% | — | reported | IONOS Group SE, Oct 2026 |