Building Construction in
Solothurn

8 companies in Building Construction based in Solothurn — name and year of registration from the commercial register. The list below shows them all.

Companies

All 8 companies in Solothurn

Sterki Bau AG Logo

Sterki Bau AG

Since 1994 · 1–10 empl.4.5(22)

Sterki Bau AG is a construction company providing building and civil engineering services. It undertakes residential, commercial and public building projects, carries out renovations and offers client-service support for construction projects.

Building ConstructionBuilding constructionCivil engineering
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #1
FRIEDLIPARTNER SOLOTHURN AG Logo

FRIEDLIPARTNER SOLOTHURN AG

Since 1990 · 21–50 empl.

FRIEDLIPARTNER SOLOTHURN AG is an engineering and consultancy firm providing geotechnical and environmental services. Its work includes ground investigations and geotechnical site support, special foundation engineering, geology/hydrogeology, contaminated-site assessment and remediation, and soil protection and pollutant-related services.

Building ConstructionGround InvestigationGeotechnics and Special FoundationsGeology and Hydrogeology
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #2
A & I GmbH Logo

A & I GmbH

Since 2004 · 1–10 empl.

A & I GmbH is a planning and expert consultancy offering planning and engineering services, structural calculations and construction supervision, together with construction quality assurance, energy consulting and issuance of energy performance certificates.

Building ConstructionPlanning and engineering servicesEnergy consultation and energy certificateOn-site quality assurance and controlling
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #3
Eduard Tushi Construction Logo

Eduard Tushi Construction

Since 2023 · 1–10 empl.5.0(3)

The core activity of Eduard Tushi Construction is building construction, particularly providing services such as demolition, masonry, excavation, site preparation, renovation, rehabilitation and conversion of residential and commercial properties as well as public buildings.

Building ConstructionGeneral construction worksMasonry workDemolition work
ranQ Trust Score 3.7 out of 5.0, rated Solid, Rank #4
BauAllianz AG Logo

BauAllianz AG

Since 2000 · 1–10 empl.

BauAllianz AG provides management support for small and medium-sized enterprises in the construction sector and offers succession solutions, project development services and access to an expert network.

Building ConstructionBusiness managementSuccession solutionProject development
No score yet
FG

FIBAXX GmbH

Since 2000 · 1–10 empl.

Building Construction
No score yet
BI

Beer Innova GmbH

Since 2011 · 1–10 empl.

Building Construction
No score yet
TN

Tschümperlin N GmbH

Since 2019 · 1–10 empl.

Building Construction
No score yet

Building Construction in Solothurn

8Building ConstructionCommercial register (Zefix) · as of October 10, 2026
2004Median year of registrationCommercial register (Zefix) · as of October 10, 2026
163in the Canton of SolothurnCommercial register (Zefix) · as of October 10, 2026
5,345in SwitzerlandCommercial register (Zefix) · as of October 10, 2026
Locations

Building Construction in the region

Point size by number of companies per place.

Source: commercial register (Zefix) · as of October 10, 2026