Construction & Project Management in
Au SG

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

Companies

All 12 companies in Au SG

Sinz bau Logo

Sinz bau

Since 2025 · 1–10 empl.

Sinz bau provides services in civil engineering, demolition and road construction, as well as site organisation and construction management. The company also handles estimation, billing, machine operation and project support on construction sites.

Building ConstructionCivil Engineering, Demolition and Road ConstructionConstruction Machinery OperationSite Management and Cost Estimation
No score yetSinz Bau GmbH Logo

Sinz Bau GmbH

Since 2026 · 1–10 empl.

Sinz Bau GmbH provides services in civil engineering, demolition and road construction. The company also supports construction management, cost calculation, site organization, machine operation and invoicing.

Civil EngineeringCivil engineering, demolition and road constructionConstruction equipment operationSite management, foremanship and team leadership
No score yetGV

g-plant von Roger Studer

Since 2010 · 1–10 empl.

Construction & Project Management
No score yetCI

Creative Immobilien AG

Since 2013 · 1–10 empl.

Architecture Firms
No score yetSB

SW Bau- und Immobilienmanagement AG

Since 2016 · 1–10 empl.

Construction & Project Management
No score yetB&

Building & Consulting Arts GmbH

Since 2017 · 1–10 empl.

Construction & Project Management
No score yetOG

OFLU GmbH

Since 2018 · 1–10 empl.

Construction & Project Management
No score yetMP

MK Projektmanager GmbH

Since 2020 · 1–10 empl.

Construction & Project Management
No score yetHB

Holenstein Baumanagement GmbH

Since 2022 · 1–10 empl.

Construction & Project Management
No score yetFG

Finanzfreund GmbH

Since 2022 · 1–10 empl.

Construction & Project Management
No score yetWI

Wimatec, Inh. Wittwer

Since 2024 · 1–10 empl.

Construction & Project Management
No score yetII

INViVA Immobilien AG

Since 2025 · 1–10 empl.

Construction & Project Management
No score yet

Construction & Project Management in Au SG

12Construction & Project ManagementCommercial register (Zefix) · as of October 4, 2026
2022Median year of registrationCommercial register (Zefix) · as of October 4, 2026
598in the Canton of St. GallenCommercial register (Zefix) · as of October 4, 2026
7,904in SwitzerlandCommercial register (Zefix) · as of October 4, 2026
Locations

Construction & Project Management in the region

Point size by number of companies per place.

Source: commercial register (Zefix) · as of October 4, 2026

Largest places

St. Gallen97Wil SG36Buchs SG20Jona20Widnau17Gossau SG14Rapperswil SG14Altstätten SG13Rorschach11Oberuzwil11
Industry axis

Construction & Project Management in other places

Construction & Project Management across Switzerland
St. Gallen97Wil SG36Buchs SG20Jona20Widnau17Gossau SG14Rapperswil SG14Altstätten SG13Rorschach11Oberuzwil11Diepoldsau10Flawil10Rorschacherberg9Wittenbach8Zuzwil SG8Wattwil8Rheineck7Oberriet SG7Bütschwil7Bazenheid7Balgach6Staad SG6Sargans6Abtwil SG6Walenstadt6Niederuzwil6Uzwil6Lichtensteig6Benken SG6Eschenbach SG6St. Margrethen SG5Rebstein5Thal5Sevelen5Bad Ragaz5Mels5Waldkirch5Weesen5Schwarzenbach SG5Schänis5Bronschhofen5

By canton

Canton of Zurich1,585Canton of Bern699Canton of St. Gallen598Canton of Aargau555Canton of Zug450Canton of Lucerne431Canton of Schwyz378Canton of Vaud377Canton of Thurgau343Canton of Valais283Canton of Geneva270Canton of Basel-Country269Canton of Ticino243Canton of Grisons227Canton of Fribourg218Canton of Solothurn216Canton of Appenzell Outer Rhodes93Canton of Nidwalden90Canton of Schaffhausen88Canton of Neuchâtel74Canton of Obwalden58Canton of Glarus45Canton of Appenzell Inner Rhodes29Canton of Uri29Canton of Jura20
Place axis

Other industries in Au SG

All companies in Au SG
Holding Companies25Property Management21Real Estate Project Development17Management Consulting16IT Consulting & Services14Restaurants14Facility Management & Cleaning13Automotive & Vehicle Trade13Wholesale - General Specialty Trade13Plumbing & Building Services12Beauty Salons12Real Estate Brokerage12Auto Repair Shops12Wholesale - Machinery & Technical Equipment12Technical Consulting & Engineering11Mechanical Engineering Industry10Trade Fair & Event Organizers9Interior Construction9Metal Construction9Fiduciary Offices9Advertising Agencies9Building Maintenance8General Contractors8Repair of Machinery & Electronic Devices7Painting & Plastering7Wellness & SPA Facilities7Online Shops7Catering7Other Service Industries6Specialized Construction Installations6Food Processing6Metal Industry6Retail - General Specialty Trade6Logistics & Transport Companies6Building Construction5Specialized Construction Activities5Flooring & Tiling5Financial Services5Printing Companies5Public Relations Consulting5Software Development5Retail - Food & Luxury Items5Retail - Machinery & Technical Equipment5Fitness Centers5Clubs, Bars & Event Venues5