General contractor in
Schaffhausen

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

Companies

All 24 companies in Schaffhausen

Wepfer Bauprojekte GmbH Logo

Wepfer Bauprojekte GmbH

Since 2024 · 1–10 empl.4.9(31)

Wepfer Bauprojekte GmbH is a general contractor specialising in conversions, renovations and refurbishment. It plans, coordinates and carries out construction work and is also active in the acquisition, management and sale of properties.

Construction managerGeneral contractorConversions & renovationMasonry and structural work
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #1
Walo Bertschinger AG Logo

Walo Bertschinger AG

Since 1957 · 51–100 empl.

Walo Bertschinger AG is a construction company active in building construction, civil engineering and infrastructure projects. Its services include road and civil engineering, water engineering, tunnel construction and rehabilitation, landfill construction and contaminated-site remediation, and property development.

Civil worksRoad and civil engineeringWater engineeringLandfill construction & contaminated site remediation
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #2
Osak Immobilien & Haustechnik AG Logo

Osak Immobilien & Haustechnik AG

Since 2018 · 1–10 empl.

Osak Immobilien & Haustechnik AG operates in real estate sales, purchases and rentals. It plans and installs building services, including heating, ventilation and plumbing, and carries out related renovations.

General contractorProperty brokerageBuilding services planningHeating system installation and renovation
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #3
Genu Partner AG Logo

Genu Partner AG

Since 2008 · 11–20 empl.4.1(18)

Genu Partner AG is a general planner and provider of integrated construction services for new-build, refurbishment and renovation projects. It plans and delivers residential, industrial, commercial and office buildings, as well as public buildings, and supports projects from the investment concept through to marketing.

General contractorComprehensive solutions for new-build and conversionsGeneral planning and total service providerConstruction management and client representation
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #4
Ulmer Ledergerber Architekten AG Logo

Ulmer Ledergerber Architekten AG

Since 2009 · 1–10 empl.5.0(6)

The core activity of Ulmer Ledergerber Architekten AG is the provision of architectural services.

ArchitectArchitectural services
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #5
s+p Schmid Partner AG Logo

s+p Schmid Partner AG

Since 1973 · 1–10 empl.3.2(9)

s+p Schmid Partner AG provides architectural services and construction consultancy. It plans and supports conversions, renovations and new-build projects, from strategic planning and design through to construction, site supervision and cost control. It also advises on construction processes, building handovers and building law.

Construction managerDevelopment and deliveryConstruction consulting
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #6
HQ Architektur GmbH Logo

HQ Architektur GmbH

Since 2018 · 1–10 empl.5.0(1)

The core activity of HQ Architektur GmbH is the provision of architectural services.

ArchitectArchitectural services
ranQ Trust Score 3.8 out of 5.0, rated High, Rank #7
Oettli-Haus AG Logo

Oettli-Haus AG

Since 1976 · 1–10 empl.

Oettli-Haus AG is an independent general contractor in the real estate sector. It plans, develops and markets mainly residential buildings, and provides solutions for construction projects.

General contractorReal estate brokerageRental of real estatePlanning and construction of residential buildings
No score yet
Quadraplan AG Logo

Quadraplan AG

Since 2009 · 11–20 empl.

Quadraplan AG plans and delivers property and construction projects as a general contractor. It manages conversions, renovations and new builds for private and institutional clients, coordinating the specialists and processes involved.

General contractorGeneral contractor
No score yet
HH

HFG Hausbau AG

Since 1997 · 1–10 empl.

Building contractor
No score yet
AT

ASCORE Technologies AG

Since 2002 · 1–10 empl.

General contractor
No score yet
SI

SBI INTERNATIONAL HOLDINGS AG

Since 2004 · 1–10 empl.

General contractor
No score yet

General contractor in Schaffhausen

24General contractorCommercial register (Zefix) · as of November 6, 2026
2009Median year of registrationCommercial register (Zefix) · as of November 6, 2026
69in the Canton of SchaffhausenCommercial 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