Niedergösgen · Canton of Solothurn
Holding, letting and maintaining property for the long term.
Alliance Holding AG holds participations and real estate in Switzerland. Its subsidiary, Alliance Group GmbH, buys, maintains and lets the group’s properties.
31.1km
smallest circle around all 9 buildings
- Flats owned by the group
- 25
- Properties owned
- 7
- Municipalities
- 7
- Cantons
- 3
Counted separately
- 19 hotel rooms (mandate)
- 4 commercial units, one of them under mandate
- 24 flats in Oberentfelden from September 2027
- Owned
- Managed for third parties
- Under conversion
- Surroundings
As at 20.08.2026 · Own survey, cross-checked against the federal building register
What we do
A property strategy built to last.
We do not trade property, we hold it. What we buy, we manage ourselves — and we set ourselves up to keep it for a long time.
AH-01 · Owned
Niedergösgen SO
Hauptstrasse 27
EGID 3469804 storeys · Building footprint 183 m²before 1919
3 Flats · 2 Commercial units
The building is assembled from the surfaces surveyed by swisstopo. The sequence is a drawing convention, not a record of how it was built.


0.6km as the crow flies
Next stop · Schönenwerd
Own outright
calculated from the register’s LV95 coordinates
AH-04 · Owned
Schönenwerd SO
Oltnerstrasse 35
EGID 3798013 storeys · Building footprint 180 m²before 1919
6 Flats
AH-M · Mandate
Hotel Winkel
Bäckerstrasse 2
EGID 3798814 storeys · Building footprint 277 m²before 1919
19 Hotel rooms · 1 Commercial unit
- Available1 Commercial unit · 7 of 19 hotel rooms
Neither the building nor the business belongs to the group.

3.7km as the crow flies
Next stop · Oberentfelden
Let and manage
calculated from the register’s LV95 coordinates
AH-06 · OwnedUnder conversion
Oberentfelden AG
Dorfstrasse 14
EGID 5303753 storeys · Building footprint 307 m²before 1919
24 Flats from September 2027
The model shows the building as it is recorded today. We do not show what it will look like after the conversion.

11.7km as the crow flies
Next stop · Olten
Preserve the fabric
calculated from the register’s LV95 coordinates
AH-02 · Owned
Olten SO
Solothurnerstrasse 151/153
Solothurnerstrasse 151EGID 3754403 storeys · Building footprint 87 m²1932
Solothurnerstrasse 153EGID 3754413 storeys · Building footprint 174 m²1932
7 Flats
- Becoming vacant3½ rooms from September 2026


13.9km as the crow flies
Next stop · Oensingen
calculated from the register’s LV95 coordinates
AH-07 · Owned
Oensingen SO
Allmendstrasse 9b
EGID 1920421953 storeys · Building footprint 77 m²2021
1 Flat


7.9km as the crow flies
Next stop · Roggwil
calculated from the register’s LV95 coordinates
AH-03 · Owned
Roggwil BE
Weibelackerweg 1
EGID 31374533 storeys · Building footprint 156 m²1919–1945
6 Flats
- Available1 × 3½ rooms · 1 × 2½ rooms


15.1km as the crow flies
Next stop · Huttwil
calculated from the register’s LV95 coordinates
AH-05 · Owned
Huttwil BE
Friedhofweg 4
EGID 14416722 storeys · Building footprint 70 m²before 1919
2 Flats · 1 Commercial unit
- Available2 × 2½ rooms · 1 Commercial unit


What is available today
| Use | Building | Status |
|---|---|---|
| Flats4 | ||
| 3½ rooms | Weibelackerweg 1Roggwil AH-03 | Available |
| 2½ rooms | Weibelackerweg 1Roggwil AH-03 | Available |
| 2½ rooms | Friedhofweg 4Huttwil AH-05 | Available |
| 2½ rooms | Friedhofweg 4Huttwil AH-05 | Available |
| Shop units2 | ||
| Commercial unit | Hotel WinkelSchönenwerd AH-M | AvailableMandate |
| Commercial unit | Friedhofweg 4Huttwil AH-05 | Available |
| Hotel rooms7 | ||
| 7 of 19 hotel rooms | Hotel WinkelSchönenwerd AH-M | AvailableMandate |
| Coming soon | ||
| 3½ rooms | Solothurnerstrasse 151/153Olten AH-02 | Becoming vacantSeptember 2026 |
Structure
Two companies, clearly separated roles.
The holding company owns, the operating company acts. That separation keeps responsibilities and ownership unambiguous.
Alliance Holding AG
Holding company
Holds participations and real estate. A company limited by shares with its registered office in Niedergösgen, entered in the commercial register of the Canton of Solothurn (CHE-251.450.627).
Alliance Group GmbH
Operating company · wholly owned subsidiary
Purchase, sale, maintenance and letting of property. Wholly owned by Alliance Holding AG (CHE-137.526.366).
Your contacts
Two people you can actually reach.
No call centre, no shifting responsibilities. Whoever writes to us speaks to one of the two people who run the business.
Ugur Özmen
Managing Director
Michelle Hilfiker
Head of Property Management
Contact
Tell us what you need.
Looking to rent, a question about one of our buildings, or a property you would like to offer us — write to us and we will answer personally.
Alliance Holding AGHauptstrasse 275013 Niedergösgenswisstopo, swissBUILDINGS3D 3.0 Volumes as surveyed Terrain shown flat
