Roofer in
Gossau SG

5 companies in Roofer based in Gossau SG — name and year of registration from the commercial register. The list below shows them all.

Companies

All 5 companies in Gossau SG

Altherr Gossau AG Logo

Altherr Gossau AG

Since 2010 · 21–50 empl.4.6(14)

Altherr Gossau AG carries out building-envelope work. Its services include roofing, façades, sheet-metal work, lightning protection, photovoltaic systems, scaffolding, building maintenance and energy consultancy.

Facade constructionBuilding envelopes & facadesSheet metal work & lightning protectionPhotovoltaics
ranQ Trust Score 4.3 out of 5.0, rated Very high, Rank #1
PST-Bausanierungen KLG Logo

PST-Bausanierungen KLG

Since 2018 · 1–10 empl.4.6(9)

PST-Bausanierungen KLG carries out building and renovation work. Its services include roofing and façade work, insulation and damp-proofing, as well as cleaning and maintenance of façades, stone surfaces and paving joints.

InsulationRoof cleaningRoof refurbishment and roof insulationFacade refurbishment and facade coating
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #2
Zeuch AG Logo

Zeuch AG

Since 1989 · 11–20 empl.4.3(3)

Zeuch AG carries out work on building envelopes, including sheet-metal work, pitched and flat roofing, façade cladding and lightning protection systems. Its services also include flat-roof waterproofing, maintenance and photovoltaic solutions.

RooferSheet metal workPitched roofFlat roof
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #3
Marius Kieper GmbH Logo

Marius Kieper GmbH

Since 2009 · 1–10 empl.4.0(2)

Marius Kieper GmbH carries out sheet-metal, roofing and façade work. Its services include metal façades, standing-seam roofs, repairs, maintenance, roof services and lightning protection systems.

Facade constructionSheet metal workRoofingFacade construction
ranQ Trust Score 3.8 out of 5.0, rated High, Rank #4
S+

Schönenberger + Müller AG

Since 2025 · 1–10 empl.

Facade construction
No score yet

Roofer in Gossau SG

5RooferCommercial register (Zefix) · as of November 15, 2026
2010Median year of registrationCommercial register (Zefix) · as of November 15, 2026
168in the Canton of St. GallenCommercial register (Zefix) · as of November 15, 2026
2,302in SwitzerlandCommercial register (Zefix) · as of November 15, 2026
Locations

Roofer in the region

Point size by number of companies per place.

Source: commercial register (Zefix) · as of November 15, 2026