Specialized Construction Activities in
Widnau

6 companies in Specialized Construction Activities based in Widnau — name and year of registration from the commercial register. The list below shows them all.

Companies

All 6 companies in Widnau

Badipool GmbH Logo

Badipool GmbH

Since 2011 · 1–10 empl.4.9(75)

The company's core activity is the construction of swimming pools, including planning, consulting, installation and maintenance of swimming pools.

Horticulture & LandscapingSwimming pool constructionSwimming pool modelsPool technology
ranQ Trust Score 4.5 out of 5.0, rated Excellent, Rank #1
Bischof - Bischof GmbH Logo

Bischof - Bischof GmbH

Since 2025 · 1–10 empl.

Bischof - Bischof GmbH provides consulting and services for the detection and remediation of indoor contaminants. The company focuses on asbestos remediation, mould removal, and surface sealing with nano products, and advises property owners, administrators, planners and construction companies.

Coaching & Personal DevelopmentAsbestos Remediation and Mould RemovalNano Products and Surface SealingCoaching and Executive Training for Construction Managers
No score yetCasanova Tech GmbH Logo

Casanova Tech GmbH

Since 2026 · 1–10 empl.

Casanova Tech GmbH provides services in fiber-optic infrastructure and FTTH network deployment. The company plans and builds fiber networks, carries out cable pulling in ducts and shafts, and performs technical installations for municipalities and utility providers.

Civil EngineeringFTTH Fibre RolloutCable Pulling in Conduits and ShaftsTechnical Assembly Services
No score yetGF

Girardet Fritz

Since 1988 · 1–10 empl.

Specialized Construction Activities
No score yetSG

Schachtler GmbH

Since 2010 · 1–10 empl.

Specialized Construction Activities
No score yetPG

Pool-Folien Gulan

Since 2026 · 1–10 empl.

Specialized Construction Activities
No score yet

Specialized Construction Activities in Widnau

6Specialized Construction ActivitiesCommercial register (Zefix) · as of October 5, 2026
2025Median year of registrationCommercial register (Zefix) · as of October 5, 2026
280in the Canton of St. GallenCommercial register (Zefix) · as of October 5, 2026
3,926in SwitzerlandCommercial register (Zefix) · as of October 5, 2026
Locations

Specialized Construction Activities in the region

Point size by number of companies per place.

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

Largest places

St. Gallen37Oberriet SG10Wil SG10Oberuzwil8Wattwil7Uznach6Au SG5Altstätten SG5Goldach5Sargans5
Industry axis

Specialized Construction Activities in other places

Specialized Construction Activities across Switzerland
St. Gallen37Oberriet SG10Wil SG10Oberuzwil8Wattwil7Uznach6Au SG5Altstätten SG5Goldach5Sargans5Grabs5Wittenbach5Gossau SG5Zuzwil SG5Jona5Rapperswil SG5

By canton

Canton of Zurich559Canton of Vaud396Canton of Bern369Canton of Aargau339Canton of St. Gallen280Canton of Geneva200Canton of Lucerne199Canton of Valais192Canton of Ticino156Canton of Fribourg153Canton of Thurgau138Canton of Schwyz133Canton of Solothurn125Canton of Zug121Canton of Basel-Country110Canton of Grisons99Canton of Neuchâtel66Canton of Schaffhausen35Canton of Obwalden34Canton of Glarus34Canton of Appenzell Outer Rhodes30Canton of Nidwalden30Canton of Jura29Canton of Uri18Canton of Appenzell Inner Rhodes11
Place axis

Other industries in Widnau

All companies in Widnau
Property Management61Real Estate Project Development57Management Consulting47Holding Companies44Real Estate Brokerage38IT Consulting & Services34Wholesale - General Specialty Trade25Automotive & Vehicle Trade23Technical Consulting & Engineering22Building Maintenance21Restaurants21Architecture Firms20Coaching & Personal Development18Mechanical Engineering Industry18Wholesale - Machinery & Technical Equipment18Construction & Project Management17General Contractors17Painting & Plastering17Metal Construction16Online Shops16Hair Salons15Software Development15Facility Management & Cleaning15Other Service Industries14Advertising Agencies14Auto Repair Shops14Logistics & Transport Companies14Beauty Salons13Medical Technology Industry13Interior Construction12Retail - Textiles & Clothing12General Goods Production11Building Construction10Electrical Planning & Installation10Fiduciary Offices10Financial Services10Retail - Food & Luxury Items10Recruitment & HR Consulting9Trade Fair & Event Organizers9Horticulture & Landscaping9Sealing & Insulation9Flooring & Tiling9Joinery9Plumbing & Building Services9Solar & Photovoltaics9Metal Industry9Textile & Clothing Industry9Retail - General Specialty Trade9