General contractor in the
Canton of Schaffhausen
69 companies in General contractor based in the Canton of Schaffhausen — name and year of registration from the commercial register.
50 of 69 companies
Ernst Keller AG Dörflingen
Since 1989 · 21–50 empl.5.0(5)
Ernst Keller AG Dörflingen is named on the wolfKeller website as the predecessor of wolfKeller GmbH; the company provides structural building (hochbau), civil engineering and crane services as well as renovations and conversions.
wolfKeller GmbH
Since 2012 · 21–50 empl.5.0(5)
wolfKeller GmbH is a construction company carrying out building and civil engineering work. Its services include residential, commercial and industrial construction, excavation and utility work, crane operations, renovations and conversions.
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.
Müller + Partner AG Architekten + Planer
Since 2007 · 11–20 empl.5.0(3)
Müller + Partner AG Architekten + Planer is an architecture practice providing planning services across the building process. It supports private, institutional and public-sector clients from early design through permit applications and tender and execution planning.
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.
WEHA Immobilien & Generalunternehmung GmbH
Since 2015 · 1–10 empl.
WEHA Immobilien & Generalunternehmung GmbH develops real estate projects, assists with land searches and coordinates planning with architecture and specialist partners. As a general contractor, it coordinates construction work and supports projects through to inspection and handover.
Höhener Baugeschäft + Immobilien AG
Since 2018 · 1–10 empl.
Höhener Baugeschäft + Immobilien AG is a construction company acting as a general contractor for building and civil engineering works, and for renovations and conversions. Services include planning and construction of single- and multi-family homes (including turnkey delivery) and specialised works such as scaffolding, core drilling, plastering and painting, skip (mulde) services, and pool and pond construction.
Höhener Bau AG
Since 2018 · 1–10 empl.
Höhener Bau AG provides general contracting and specialist building and civil-engineering services, including new construction, conversions and renovations. Services also include scaffolding, core drilling, plastering and painting, container rental, landscaping and pool and pond construction.
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.
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.
M&T Real Vision GmbH
Since 2018 · 1–10 empl.
M&T Real Vision GmbH, a general contractor based in Einsiedeln, specializes in project and construction management, interior design and concept development. The core activities include: project and construction management for smooth processes, budget-compliant implementation and quality-assured projects from start to finish; interior design and planning, including concept planning, renovation and expansion of rooms; concept development and design for innovative and functional spaces; and general execution of construction projects of all kinds, including store renovations, office expansions and interior construction. The company offers a comprehensive range of services, from planning to realization of construction projects.
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.
Ankoris Bau GmbH
Since 2019 · 21–50 empl.4.8(6)
The core activity of Ankoris Bau GmbH is the provision of construction services, particularly in the fields of high-rise construction, civil engineering, renovation, conversion and property maintenance. The company offers all services of the main construction industry, including surface treatment, customer masonry work, gutting, renovation and conversion of buildings. It assumes full responsibility for construction projects, from planning and coordination to turnkey realization.
Müller Heuscher GmbH
Since 2005 · 1–10 empl.4.0(4)
Müller Heuscher GmbH is an interdisciplinary service provider for residential, commercial and industrial construction projects. Its architecture practice provides planning and construction management, energy advice and renovation concepts, as well as property development and facility management.
Linearis AG
Since 1989 · 1–10 empl.5.0(2)
Linearis AG is an architecture practice and general contractor working on new builds, conversions and renovations. Its services include consulting, planning and construction management, such as feasibility studies, cost planning, site supervision and project management.
Antares Plan AG
Since 2021 · 1–10 empl.
Antares Plan AG develops real estate and works on land acquisition, concept development, planning and construction projects. Its services include project development and planning, architecture and general contracting, construction supervision, and quality and cost control.
Winkel Bauplan GmbH
Since 2022 · 1–10 empl.5.0(7)
AGOB AG
Since 1970 · 1–10 empl.5.0(1)
AGOB AG plans and builds single-family homes as well as residential and commercial properties as a general and total contractor. The company develops residential projects and handles property sales and initial rentals.
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.
LeanCONS ag
Since 2016 · 1–10 empl.5.0(1)
The core activity of LeanCONSag is the provision of services in the construction industry, particularly in construction management, consulting and training. Specifically, this includes: Construction management and project management, Consulting on construction projects, Training and further education for construction professionals, Management of subcontractor liability, Tenders and billings, Lean construction and process optimization. The company offers its services to both private and public building owners, planners, general contractors, construction companies and craft businesses.
Kummer Generalbau AG
Since 1998 · 1–10 empl.4.0(1)
Kummer Generalbau AG is an architectural firm that provides consulting, planning and construction services for new builds and alterations. The company prepares project, design, execution and detail plans, as well as feasibility studies for building projects.
HQ Architektur GmbH
Since 2018 · 1–10 empl.5.0(1)
The core activity of HQ Architektur GmbH is the provision of architectural services.
ImmoDux GmbH
Since 2025 · 1–10 empl.
ImmoDux GmbH is a real estate company focused on the valuation and brokerage of residential and investment properties. The company supports clients with sales, purchases, market value analyses, and property valuations.
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.
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.
LIA Real Estate AG
Since 2018 · 1–10 empl.
LIA Real Estate AG operates in property development and construction. Its services include building design and planning, construction management, general and total contracting, advice on new-build, conversion and renovation projects, and support with property sales.
Inhabita GmbH
Since 2022 · 1–10 empl.
Inhabita GmbH is an architecture practice that supports building projects from feasibility studies and design through tendering and implementation. Its services include construction planning, bid comparisons, detailed design and site supervision.
Casa e Mobile AG
Since 2005 · 1–10 empl.
WE Baumanagement GmbH
Since 2022 · 1–10 empl.
WE Baumanagement GmbH is a company in the field of construction management. The website lists contact details and the team, but does not provide further information about services or projects.
Gnädinger Architektur AG
Since 1977 · 1–10 empl.
Trefinag Bau- und Beteiligungs AG
Since 1983 · 1–10 empl.
HFG Hausbau AG
Since 1997 · 1–10 empl.
Lenfer AG
Since 2001 · 1–10 empl.
Bruno Ferrari Fassadenbau GmbH
Since 2002 · 1–10 empl.
ASCORE Technologies AG
Since 2002 · 1–10 empl.
STEUER BAU (SCHWEIZ) GmbH
Since 2004 · 1–10 empl.
SBI INTERNATIONAL HOLDINGS AG
Since 2004 · 1–10 empl.
Schmidl GmbH
Since 2007 · 1–10 empl.
Müller Erwin Architektur AG
Since 2007 · 1–10 empl.
bau-consult gmbh
Since 2008 · 1–10 empl.
Schlatter Bauconsulting
Since 2009 · 1–10 empl.
Velenia AG
Since 2009 · 1–10 empl.
SMG bau gmbh
Since 2010 · 1–10 empl.
ORE GmbH
Since 2010 · 1–10 empl.
Atrium AG
Since 2010 · 1–10 empl.
BDW AG für Projektentwicklung
Since 2012 · 1–10 empl.
Hölzig GmbH Schaffhausen
Since 2013 · 1–10 empl.
Güetli Immobilien AG
Since 2014 · 1–10 empl.
ERPA GmbH
Since 2015 · 1–10 empl.
MT Immobau AG
Since 2016 · 1–10 empl.
General contractor in the Canton of Schaffhausen
General contractor in the region
Point size by number of companies per place.
Source: commercial register (Zefix) · as of November 6, 2026
General contractor in other places
By canton