General contractor in
Dornach

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

Companies

All 5 companies in Dornach

insia AG Logo

insia AG

Since 2022 · 1–10 empl.

insia AG is a construction services company that manages the delivery of building projects. Its services include project organisation and management, construction supervision, quality, cost and schedule planning and monitoring, and work as a general or total contractor.

Construction managerConstruction managementGeneral and total contracting
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #1
Zgraggen Umbauten GmbH Logo

Zgraggen Umbauten GmbH

Since 2023 · 1–10 empl.

Zgraggen Umbauten GmbH carries out conversions and renovations, including water-damage repairs and bathroom and kitchen refurbishments. Services include masonry and concrete work, plastering and drywall, and core drilling for pipe and conduit penetrations.

Construction managerAlterationsCustom masonry workPlastering work
ranQ Trust Score 3.8 out of 5.0, rated High, Rank #2
NG

Navox GmbH

Since 2025 · 1–10 empl.

General contractor
No score yetLA

LINCKE Architektur & Baumanagement GmbH

Since 2026 · 1–10 empl.

Architect
No score yetLG

LM Generalunternehmung GmbH

Since 2026 · 1–10 empl.

General contractor
No score yet

General contractor in Dornach

5General contractorCommercial register (Zefix) · as of November 6, 2026
2025Median year of registrationCommercial register (Zefix) · as of November 6, 2026
215in the Canton of SolothurnCommercial register (Zefix) · as of November 6, 2026
9,195in SwitzerlandCommercial register (Zefix) · as of November 6, 2026
Locations

General contractor in the region

Point size by number of companies per place.

Source: commercial register (Zefix) · as of November 6, 2026

Largest places

Olten23Grenchen19Solothurn13Balsthal10Feldbrunnen7Härkingen6Egerkingen6Gerlafingen6Biberist6Schönenwerd5
Industry axis

General contractor in other places

General contractor across Switzerland
Olten23Grenchen19Solothurn13Balsthal10Feldbrunnen7Härkingen6Egerkingen6Gerlafingen6Biberist6Schönenwerd5Trimbach5Wangen B. Olten5Kappel SO5Zuchwil5Lohn-Ammannsegg5

By canton

Canton of Zurich1,207Canton of Vaud834Canton of Ticino801Canton of Bern702Canton of Geneva616Canton of Aargau557Canton of St. Gallen549Canton of Fribourg465Canton of Valais443Canton of Lucerne441Canton of Zug407Canton of Schwyz344Canton of Thurgau332Canton of Grisons289Canton of Basel-Country256Canton of Solothurn215Canton of Neuchâtel121Canton of Appenzell Outer Rhodes88Canton of Nidwalden77Canton of Schaffhausen69Canton of Glarus50Canton of Obwalden49Canton of Jura41Canton of Appenzell Inner Rhodes21Canton of Uri14
Place axis

Other industries in Dornach

All companies in Dornach
Management consultant34Restaurant17Holding company16Property management16Property developer14IT service provider13Coach11Architect11Accountant11Nonprofit organization10Software developer10Transport company10Construction manager9Cultural organisation9Research institute7Engineer7Interior fit-out7Renovation7Food manufacturer7Publisher7Other services6Painter6Cleaning company6Event agency5Complementary therapist5Advertising agency5Car dealership5Wholesale5