Demolition in
St. Gallen

Willi Bau AG

Since 2001 · 51–100 empl.·4.9(17)

Willi Bau AG is a construction company working in building construction and civil engineering. Its services include new builds and renovations, excavation, demolition, sewer and utility-line work, building waterproofing systems and core drilling.

KIBAG Bauleistungen AG

Since 2001 · 51–100 empl.·4.4(14)

KIBAG Bauleistungen AG is a construction company offering a broad range of services. Its activities include transport infrastructure construction, civil engineering and demolition, water and specialist foundation engineering, remediation of contaminated sites, drainage, drilling and geothermal work, as well as integrated construction services and site support.

Power Personal AG

Since 2004 · 1–10 empl.·4.6(17)

Power Personal AG provides staff leasing for assembly, packaging, shipping and inspection work, as well as technical staff and personnel for facility services and dismantling projects.

BWT Bau AG, Zweigniederlassung St. Gallen

Since 2013 · 101–500 empl.

BWT Bau AG, Zweigniederlassung St. Gallen is a construction company working on new builds, conversions and renovations. Its services also include hazardous-material and concrete remediation, as well as concrete drilling and cutting.

W. Dieziger AG

Since 1993 · 11–20 empl.·4.4(8)

W. Dieziger AG is a civil engineering and railway construction company. Its services include excavation pits, specialist foundation engineering, sewer and utility lines, road and hydraulic engineering, demolition, recycling and contaminated-site remediation.

BM Prime GmbH

Since 2025 · 1–10 empl.

BM Prime GmbH provides construction and demolition services, including dismantling, conduit installation, and wall and floor channeling. It also handles residential, move-out, post-construction, and commercial cleaning, as well as moving, clearances, disposal, and recycling.

Diamantbohr AG

Since 1987 · 1–10 empl.

Gjonaj Montagen

Since 2017 · 1–10 empl.

Speztec AG, Zweigniederlassung St. Gallen

Since 2017 · 1–10 empl.