Building contractor in
Altendorf

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

Companies

All 12 companies in Altendorf

D. Schuler AG An- und Umbauten Logo

D. Schuler AG An- und Umbauten

Since 2001 · 21–50 empl.5.0(10)

D. Schuler AG An- und Umbauten is a construction company specializing in building extensions, conversions and renovations of homes and apartments. Its services include construction advice and supervision, masonry and customer work, and core drilling.

Building contractorExtensions and conversionsCustomer work / construction serviceCore drilling
ranQ Trust Score 4.4 out of 5.0, rated Very high, Rank #1
Bauunternehmung Bartuma GmbH Logo

Bauunternehmung Bartuma GmbH

Since 2002 · 1–10 empl.

Bauunternehmung Bartuma GmbH is a construction company that carries out residential new-build projects and provides renovation and conversion services. The company manages projects from planning through execution and offers services such as painting and plastering, flooring, tiling, demolition and interior finishing, and it also handles property sales and rentals.

Building contractorConstruction projectsRenovations and conversionsSale and rental of properties
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #2
AG für Planung und Realisation Logo

AG für Planung und Realisation

Since 2004 · 1–10 empl.

AG für Planung und Realisation provides planning and realization services for building projects, combining multiple planning and construction phases within a single firm. The practice develops architectural concepts, offers sustainable consulting and pursues economical implementation, particularly for residential projects.

Building contractorPlanning and realisation of construction projects
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #3
Josef Walker, Bauunternehmung AG Logo

Josef Walker, Bauunternehmung AG

Since 1975 · 1–10 empl.3.0(2)

Josef Walker, Bauunternehmung AG is a construction company focused on building construction. Its services also include scaffolding and customer services such as building waterproofing, core drilling and ceiling reinforcement.

Building contractorBuilding constructionScaffoldingTechnical service
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #4
MG

MARONAL GmbH

Since 1997 · 1–10 empl.

Building contractor
No score yetGK

Gerhard Knobel - GK Zimmerei / Umbauten

Since 2007 · 1–10 empl.

Building contractor
No score yetAA

AF Akkordschalungen GmbH

Since 2019 · 1–10 empl.

Building contractor
No score yetGA

GemiRE AG

Since 2021 · 1–10 empl.

Building contractor
No score yetLA

LOMAR AG

Since 2021 · 1–10 empl.

Building contractor
No score yetMS

MK Swiss Group GmbH

Since 2025 · 1–10 empl.

Building contractor
No score yetHB

HNB Bau GmbH

Since 2025 · 1–10 empl.

Building contractor
No score yetAS

Abba Suisse GmbH

Since 2025 · 1–10 empl.

Building contractor
No score yet

Building contractor in Altendorf

12Building contractorCommercial register (Zefix) · as of November 5, 2026
2019Median year of registrationCommercial register (Zefix) · as of November 5, 2026
170in the Canton of SchwyzCommercial register (Zefix) · as of November 5, 2026
5,331in SwitzerlandCommercial register (Zefix) · as of November 5, 2026
Locations

Building contractor in the region

Point size by number of companies per place.

Source: commercial register (Zefix) · as of November 5, 2026

Largest places

Pfäffikon SZ17Einsiedeln11Lachen SZ9Unteriberg9Schindellegi9Siebnen8Wollerau8Brunnen8Tuggen7Buttikon SZ5
Industry axis

Building contractor in other places

Building contractor across Switzerland
Pfäffikon SZ17Einsiedeln11Lachen SZ9Unteriberg9Schindellegi9Siebnen8Wollerau8Brunnen8Tuggen7Buttikon SZ5Ibach5Küssnacht am Rigi5

By canton

Canton of Zurich734Canton of Bern540Canton of Aargau401Canton of St. Gallen384Canton of Vaud376Canton of Valais350Canton of Ticino305Canton of Lucerne266Canton of Grisons259Canton of Thurgau226Canton of Geneva196Canton of Schwyz170Canton of Zug169Canton of Solothurn161Canton of Basel-Country139Canton of Fribourg138Canton of Schaffhausen70Canton of Neuchâtel61Canton of Appenzell Outer Rhodes57Canton of Glarus56Canton of Jura52Canton of Nidwalden41Canton of Obwalden36Canton of Appenzell Inner Rhodes32Canton of Uri24
Place axis

Other industries in Altendorf

All companies in Altendorf
Management consultant114Holding company112Property management106Property developer80IT service provider58Real estate agent54Software developer43Engineer37Accountant36Coach32Advertising agency26Wholesale26Financial services25Event agency24General contractor24Construction manager22Machinery dealer22Mechanical engineering21Restaurant20Car dealership19Recruitment agency17Garage17Transport company17Architect16Online shop16Other services15Renovation15Asset manager13Textile manufacturer13Research institute11Tiler11Pharmaceutical wholesaler11Administrative services10Electrician10Plumber10Food manufacturer10Continuing education provider10Cleaning company10Caterer10Specialist foundation engineering9Private equity9Online platform9Building installation8Photovoltaics8Electronics manufacturer8Retail8Sports lessons8Travel agency8