| Registered | Name | Holder | Registrar |
|---|---|---|---|
| 2025-06-19 | viranomaisopaste.fi | Signa Oy | Zoner Oy |
| 2025-06-19 | viranomaisopasteet.fi | Signa Oy | Zoner Oy |
| 2020-12-01 | signa.fi | Signa Oy | IT Group Finland Oy |
| 2011-01-18 | art4u.fi | Signa Oy | IT Group Finland Oy |
| 1998-02-06 | standi.fi | Signa Oy | IT Group Finland Oy |