General contractor in
Birsfelden

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

Companies

All 9 companies in Birsfelden

werking gmbh Logo

werking gmbh

Since 2015 · 1–10 empl.

werking gmbh provides engineering and construction services and operates as a general contractor offering both planning and execution. Its services include system waterproofing, building preservation and protection, coatings for floors and walls, damage assessments and expert reports, civil engineering services, and building drying.

Civil engineerSystem waterproofingStructural preservation / building protectionCoatings
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #1
AM Dach - Bau System GmbH Logo

AM Dach - Bau System GmbH

Since 2025 · 11–20 empl.

AM Dach - Bau System GmbH provides roofing services for flat roofs, pitched roofs, sheet metal work, waterproofing, lightning protection and roof greening. The company handles projects for private and commercial clients from planning through to completion.

General contractorFlat RoofsPitched RoofsSheet Metal Roofing
ranQ Trust Score 3.7 out of 5.0, rated Solid, Rank #2
Rhein Services GmbH Logo

Rhein Services GmbH

Since 2023 · 1–10 empl.

General contractor
No score yet
DL

Dr. Löhle AG

Since 1992 · 1–10 empl.

General contractor
No score yet
CI

Cover International AG

Since 2021 · 1–10 empl.

General contractor
No score yet
SG

Selmani GmbH

Since 2021 · 1–10 empl.

General contractor
No score yet
IU

Ingenieur- und Baudienstleistungen Odermatt GmbH

Since 2023 · 1–10 empl.

General contractor
No score yet
AG

A6 Gebäudetechnik GmbH

Since 2025 · 1–10 empl.

General contractor
No score yet
TU

TTbau und Montage GmbH

Since 2025 · 1–10 empl.

General contractor
No score yet

General contractor in Birsfelden

9General contractorCommercial register (Zefix) · as of November 5, 2026
2023Median year of registrationCommercial register (Zefix) · as of November 5, 2026
256in the Canton of Basel-CountryCommercial register (Zefix) · as of November 5, 2026
9,199in SwitzerlandCommercial register (Zefix) · as of November 5, 2026
Locations

General contractor in the region

Point size by number of companies per place.

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