General Contractors in
Sirnach

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

Companies

All 5 companies in Sirnach

All in 1 Bautechnik GmbH Logo

All in 1 Bautechnik GmbH

Since 2022 · 1–10 empl.5.0(3)

The core activity of the company "all in 1 bautechnik gmbh" is the creation of high-quality and customized solutions in the field of metal and facade construction. This includes in particular: Metal construction work, such as: + Full glass railings + Post-and-beam facades + Steel and aluminum doors + Various steel structures + Facade construction, such as: + Plastered insulation facades + Ventilated facades The company offers these services for a wide range of construction projects, with a focus on innovative building methods, modern materials, and energy-efficient solutions.

General ContractorsMetal constructionFaçades
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #1
AA

Amias AG

Since 1997 · 1–10 empl.

General Contractors
No score yetKG

Kulthaus GmbH

Since 2005 · 1–10 empl.

General Contractors
No score yetKI

Keller Immo AG

Since 2012 · 1–10 empl.

General Contractors
No score yetHI

home invest ag

Since 2020 · 1–10 empl.

Construction & Project Management
No score yet

General Contractors in Sirnach

5General ContractorsCommercial register (Zefix) · as of October 5, 2026
2012Median year of registrationCommercial register (Zefix) · as of October 5, 2026
334in the Canton of ThurgauCommercial register (Zefix) · as of October 5, 2026
9,229in SwitzerlandCommercial register (Zefix) · as of October 5, 2026
Locations

General Contractors in the region

Point size by number of companies per place.

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

Largest places

Frauenfeld44Amriswil23Kreuzlingen18Romanshorn13Weinfelden13Arbon8Aadorf8Bottighofen7Bischofszell6Mettlen6
Industry axis

General Contractors in other places

General Contractors across Switzerland
Frauenfeld44Amriswil23Kreuzlingen18Romanshorn13Weinfelden13Arbon8Aadorf8Bottighofen7Bischofszell6Mettlen6Ermatingen6Islikon6Hefenhofen5

By canton

Canton of Zurich1,208Canton of Vaud838Canton of Ticino805Canton of Bern710Canton of Geneva620Canton of Aargau562Canton of St. Gallen549Canton of Fribourg466Canton of Lucerne448Canton of Valais445Canton of Zug405Canton of Schwyz342Canton of Thurgau334Canton of Grisons291Canton of Basel-Country258Canton of Solothurn213Canton of Neuchâtel122Canton of Appenzell Outer Rhodes90Canton of Nidwalden75Canton of Schaffhausen68Canton of Glarus50Canton of Obwalden48Canton of Jura37Canton of Appenzell Inner Rhodes21Canton of Uri15
Place axis

Other industries in Sirnach

All companies in Sirnach
Property Management35Management Consulting23Automotive & Vehicle Trade22Restaurants20Real Estate Brokerage19Auto Repair Shops19Holding Companies18IT Consulting & Services17Facility Management & Cleaning17Real Estate Project Development17Software Development12Other Service Industries11Fiduciary Offices11Online Shops11Wholesale - General Specialty Trade11Interior Construction10Flooring & Tiling10Building Maintenance9Painting & Plastering9Mechanical Engineering Industry9Metal Industry9Advertising Agencies9Metal Construction8Web Portals & Platform Companies8Trade Fair & Event Organizers7Architecture Firms7Construction & Project Management7Horticulture & Landscaping7Plumbing & Building Services7Retail - Textiles & Clothing7Catering7Logistics & Transport Companies7Coaching & Personal Development6Hair Salons6Retail - General Specialty Trade6Retail - Toys & Baby Products6Technical Consulting & Engineering5Sealing & Insulation5Timber Construction & Carpentry5Electrical Planning & Installation5Specialized Construction Installations5Dental Clinics5Food Processing5Wholesale - Construction & Raw Materials5Wholesale - Food & Luxury Items5Wholesale - Machinery & Technical Equipment5Clubs, Bars & Event Venues5