Roofer in
Altstätten SG

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

Companies

All 8 companies in Altstätten SG

Arthur Müggler & Co. AG Logo

Arthur Müggler & Co. AG

Since 2002 · 21–50 empl.4.9(23)

Arthur Müggler & Co. AG is a provider of building-envelope services, offering roofing (flat and pitched), facade construction, building maintenance, photovoltaic systems, energy consulting and expert assessments.

Facade constructionRoofingFacade constructionBuilding maintenance
ranQ Trust Score 4.5 out of 5.0, rated Excellent, Rank #1
Räss Holzbau AG Logo

Räss Holzbau AG

Since 2011 · 1–10 empl.4.8(24)

Räss Holzbau AG is a carpentry and timber construction business offering services from consultation and planning through to turnkey completion. Its work includes new builds and conversions, interior fit-outs, stairs, windows and doors, roof structures, and carports.

Timber constructionTimber constructionConversion and renovation worksFlat roof works
ranQ Trust Score 4.4 out of 5.0, rated Very high, Rank #2
Räss AG Logo

Räss AG

Since 2007 · 11–20 empl.4.8(24)

Räss AG is a construction company specialising in roofs, façades and timber construction. Its services include pitched and flat roofs, sheet-metal work, solar installations, carpentry, scaffolding, renovations, refurbishments and roof maintenance.

Facade constructionPitched roofingFlat roofingFacade works
ranQ Trust Score 4.4 out of 5.0, rated Very high, Rank #3
Meile Metallbau AG Logo

Meile Metallbau AG

Since 2009 · 1–10 empl.5.0(12)

Meile Metallbau AG works in metal construction and plant and apparatus engineering. Its services include structural metalwork and metal design, sheet-metal work for buildings, roofing, chimney construction, lightning protection systems and made-to-measure sheet metal.

MetalworkMetal constructionRoofingBuilding sheet metalwork
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #4
müggler spenglertechnik gmbh Logo

müggler spenglertechnik gmbh

Since 2011 · 1–10 empl.

müggler spenglertechnik gmbh carries out sheet-metal and roofing work on pitched, metal and flat roofs. Its services include façade construction, lightning protection, solar systems, and building maintenance and repairs.

RooferRoofingFacade constructionLightning protection
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #5
Walt Spenglerei GmbH Logo

Walt Spenglerei GmbH

Since 2019 · 1–10 empl.

Walt Spenglerei GmbH is a roofing and sheet-metal contractor. Its services include sheet-metal work, façade work, flat and pitched roofs, waterproofing, flood protection, and roof maintenance and repair.

RooferSheet metal workFaçade renovationsFlat roofs
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #6
Gschwend + Willi AG Logo

Gschwend + Willi AG

Since 1985 · 11–20 empl.5.0(3)

Gschwend + Willi AG is a construction company specialising in timber construction. Its services include carpentry and joinery, new builds and renovations, roofing, façade construction, sheet-metal work, scaffolding, crane work and demolition.

Timber constructionTimber framingJoineryRoofing
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #7
Isabau GmbH Logo

Isabau GmbH

Since 2010 · 11–20 empl.5.0(3)

Isabau GmbH carries out roofing and sheet-metal work and installs and renovates roofs and façades. Its services also include rooftop and façade photovoltaic systems, electricity storage and wallboxes.

RooferBuilding envelope and roofingSheet metal workFacades
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #8

Roofer in Altstätten SG

8RooferCommercial 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