| | | | | | | | |
| Subsidiary name | | Jurisdiction |
| S1 Holdco, LLC | | Delaware |
| System1 S1, Inc. | | Delaware |
| Orchid Merger Sub II, LLC | | Delaware |
| System1 OpCo, LLC | | Delaware |
| Sonic Newco LLC | | Delaware |
| Infospace Holdings LLC | | Delaware |
| Qool Media Holdings, LLC | | Delaware |
| Concourse Media Holdings, LLC | | Delaware |
| Dotzup Holdings LLC | | Delaware |
| System1 Canada ULC | | Nova Scotia |
| System1 Media ULC | | Nova Scotia |
| MapQuest Holdings, LLC | | Delaware |
| MapQuest Services Holdings LLC | | Delaware |
| System1 Waterfox Holdings LLC | | Delaware |
| Waterfox Limited | | England & Wales |
| NextGen Shopping, LLC | | Delaware |
| Privacy One Group Limited | | Delaware |
| Surfboard Holding B.V. | | Netherlands |