General Contractors in
Rorschach

13 companies in General Contractors based in Rorschach — name and year of registration from the commercial register. The list below shows them all.

Companies

All 13 companies in Rorschach

Niederer Ralph Generalunternehmer AG Logo

Niederer Ralph Generalunternehmer AG

Since 2005

General contractingRenovationsOverall concepts for construction projects
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Baumgartner Baurealisation AG Logo

Baumgartner Baurealisation AG

Since 2010

General contractor and total contractor solutionsConstruction realisationInvestment with Baumgartner Immoinvest AG
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Starhaus AG Logo

Starhaus AG

Since 2014

Construction consulting and site supervisionHome buildingProject development
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PM94 AG Logo

PM94 AG

Since 2024

Construction managementGeneral contractorTurnkey contractor
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GI

Gebimo Immobilien AG

Since 2014

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RE

Royal Effect GmbH

Since 2014

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MG

Mobecg GmbH

Since 2015

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SB

Stefani Bau GmbH

Since 2018

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SB

SWITCH BAU GmbH

Since 2021

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AB

A.I.G. Bau GmbH

Since 2025

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VG

Valis Generalunternehmung AG

Since 2026

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SB

Shero Bau GmbH

Since 2026

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AP

Awiroc Projekt AG

Since 2026

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General Contractors in Rorschach

13General ContractorsCommercial register (Zefix) · as of September 23, 2026
2018Median year of registrationCommercial register (Zefix) · as of September 23, 2026
543in the Canton of St. GallenCommercial register (Zefix) · as of September 23, 2026
9,178in SwitzerlandCommercial register (Zefix) · as of September 23, 2026
Locations

General Contractors in the region

Point size by number of companies per place.

Source: commercial register (Zefix) · as of September 23, 2026

Largest places

St. Gallen81Wil SG36Buchs SG28Widnau17Altstätten SG15Jona14Rheineck13Rapperswil SG13Flawil12Zuzwil SG11
Industry axis

General Contractors in other places

General Contractors across Switzerland
St. Gallen81Wil SG36Buchs SG28Widnau17Altstätten SG15Jona14Rheineck13Rapperswil SG13Flawil12Zuzwil SG11Gossau SG10Wattwil10Uznach9Au SG8Oberuzwil8Goldach7Wittenbach7Niederuzwil7Eschenbach SG7Staad SG6Sevelen6Sargans6Mörschwil6Mels6Grabs6Uzwil6Thal5Engelburg5Bazenheid5

By canton

Canton of Zurich1,197Canton of Vaud835Canton of Ticino803Canton of Bern705Canton of Geneva617Canton of Aargau558Canton of St. Gallen543Canton of Fribourg468Canton of Lucerne442Canton of Valais437Canton of Zug403Canton of Schwyz341Canton of Thurgau330Canton of Grisons292Canton of Basel-Country257Canton of Solothurn213Canton of Neuchâtel120Canton of Appenzell Outer Rhodes91Canton of Nidwalden76Canton of Schaffhausen68Canton of Glarus50Canton of Obwalden48Canton of Jura37Canton of Appenzell Inner Rhodes21Canton of Uri15
Place axis

Other industries in Rorschach

All companies in Rorschach
Restaurants59Property Management36Management Consulting31Fiduciary Offices28Cultural & Educational Organizations26Hair Salons23Holding Companies23Real Estate Project Development22IT Consulting & Services20Real Estate Brokerage20Online Shops19Advertising Agencies18Wholesale - General Specialty Trade18NGOs & NPOs17Retail - Textiles & Clothing17Painting & Plastering16Coaching & Personal Development15Recruitment & HR Consulting15Technical Consulting & Engineering14Trade Fair & Event Organizers14Beauty Salons14Retail - General Specialty Trade14Catering14Software Development13Facility Management & Cleaning12Automotive & Vehicle Trade12Construction & Project Management11Other Service Industries10Electrical Planning & Installation10Flooring & Tiling10Building Maintenance9Plumbing & Building Services9Solar & Photovoltaics9Retail - Food & Luxury Items9Repair of Consumer Goods8Financial Services8Insurance Brokerage & Consulting8Architecture Firms7Interior Construction7Joinery7Metal Construction7Psychiatry & Psychotherapy7Continuing Education Institutes7Retail - Bicycles & Sports Equipment7Clubs, Bars & Event Venues7Photography6Building Construction6Horticulture & Landscaping6