Building contractor in
Jona

5 companies in Building contractor based in Jona — name and year of registration from the commercial register. The list below shows them all.

Companies

All 5 companies in Jona

Martelli Bauunternehmung AG Logo

Martelli Bauunternehmung AG

Since 1973 · 1–10 empl.5.0(5)

Martelli Bauunternehmung AG is a construction company that builds residential, commercial and industrial buildings as well as public buildings, and carries out renovation and conversion projects. The company also undertakes bespoke construction assignments on request.

Building contractorResidential buildingsCommercial and industrial buildingsPublic buildings
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #1
Baumann Liegenschaften AG, Rapperswil-Jona Logo

Baumann Liegenschaften AG, Rapperswil-Jona

Since 1992 · 11–20 empl.4.1(8)

Baumann Liegenschaften AG, Rapperswil-Jona is a construction company focused on building construction, civil engineering and customer-specific works. Its services also include concrete cutting, structural fire protection measures and structural strengthening with CFRP laminates.

Building contractorBuilding constructionCivil engineering
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #2
Baumann Bauunternehmung AG Logo

Baumann Bauunternehmung AG

Since 2024 · 11–20 empl.4.1(8)

Baumann Bauunternehmung AG is a construction company carrying out building and civil engineering work and offering specialized services such as concrete demolition (drilling, milling, breaking), crack injections, fire-stopping, and structural strengthening using CFRP laminates.

Building contractorBuilding constructionConcrete demolitionInjections
ranQ Trust Score 3.8 out of 5.0, rated High, Rank #3
CV

Casa Vitalis AG

Since 2014 · 1–10 empl.

Building contractor
No score yet
IR

IMMO REVU GmbH

Since 2025 · 1–10 empl.

Building contractor
No score yet

Building contractor in Jona

5Building contractorCommercial register (Zefix) · as of November 6, 2026
2014Median year of registrationCommercial register (Zefix) · as of November 6, 2026
384in the Canton of St. GallenCommercial register (Zefix) · as of November 6, 2026
5,330in SwitzerlandCommercial register (Zefix) · as of November 6, 2026
Locations

Building contractor in the region

Point size by number of companies per place.

Source: commercial register (Zefix) · as of November 6, 2026