Construction & Project Management in
Rorschach

11 companies in Construction & Project Management based in Rorschach — name and year of registration from the commercial register. The list below shows them all.

Companies

All 11 companies in Rorschach

Schlossgarten Immobilien AG Logo

Schlossgarten Immobilien AG

Since 2009

Real estate project developmentNew construction of multi-family housesConversions
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LOG4 GmbH Logo

LOG4 GmbH

Since 2024

Client advisoryPlanning and realisationConstruction expertise
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Wusor GmbH Logo

Wusor GmbH

Since 2008

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FA

Flodur AG

Since 2013

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RE

Royal Effect GmbH

Since 2014

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SB

Swiss Bauvision, Luca Pezzotta

Since 2019

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AB

A.I.G. Bau GmbH

Since 2025

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IG

IDEAL-TECH GmbH

Since 2025

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BI

Bendoraitis Immobilien

Since 2025

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FI

FMS Immo AG

Since 2025

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AP

Awiroc Projekt AG

Since 2026

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Construction & Project Management in Rorschach

11Construction & Project ManagementCommercial register (Zefix) · as of September 15, 2026
2024Median year of registrationCommercial register (Zefix) · as of September 15, 2026
576in the Canton of St. GallenCommercial register (Zefix) · as of September 15, 2026
7,453in SwitzerlandCommercial register (Zefix) · as of September 15, 2026
Locations

Construction & Project Management in the region

Point size by number of companies per place.

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

Largest places

St. Gallen94Wil SG33Jona20Buchs SG19Widnau16Gossau SG14Rapperswil SG14Altstätten SG12Au SG11Oberuzwil11
Industry axis

Construction & Project Management in other places

Construction & Project Management across Switzerland
St. Gallen94Wil SG33Jona20Buchs SG19Widnau16Gossau SG14Rapperswil SG14Altstätten SG12Au SG11Oberuzwil11Diepoldsau9Rorschacherberg9Flawil9Wittenbach8Wattwil8Oberriet SG7Zuzwil SG7Bütschwil7Bazenheid7Balgach6Rheineck6Staad SG6Sargans6Walenstadt6Waldkirch6Niederuzwil6Benken SG6Eschenbach SG6St. Margrethen SG5Rebstein5Thal5Sevelen5Bad Ragaz5Mels5Abtwil SG5Uzwil5Weesen5Schwarzenbach SG5Schänis5Bronschhofen5

By canton

Canton of Zurich1,517Canton of Bern658Canton of St. Gallen576Canton of Aargau517Canton of Zug427Canton of Lucerne407Canton of Schwyz362Canton of Vaud338Canton of Thurgau332Canton of Basel-Country262Canton of Valais251Canton of Geneva232Canton of Ticino227Canton of Grisons214Canton of Solothurn204Canton of Fribourg197Canton of Appenzell Outer Rhodes93Canton of Nidwalden89Canton of Schaffhausen87Canton of Neuchâtel67Canton of Obwalden57Canton of Glarus43Canton of Appenzell Inner Rhodes29Canton of Uri25Canton of Jura18
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 & Plastering16Recruitment & HR Consulting15Coaching & Personal Development14Technical Consulting & Engineering14Trade Fair & Event Organizers14Beauty Salons14Retail - General Specialty Trade14Catering14General Contractors13Software Development13Facility Management & Cleaning12Automotive & Vehicle Trade12Electrical Planning & Installation10Flooring & Tiling10Other Service Industries9Building 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