General Contractors in the
Canton of Schaffhausen
68 companies in General Contractors based in the Canton of Schaffhausen — name and year of registration from the commercial register.
50 of 68 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 offering building construction, civil works, crane services, and renovation and conversion projects. Services include retaining walls and single-family houses up to multi-storey office buildings with parking garages, excavation and utility installation, and load lifting with tower and truck cranes.
Wepfer Bauprojekte GmbH
Since 2024 · 1–10 empl.4.9(31)
The core activity of Wepfer Bauprojekte GmbH is the execution of construction projects, conversions and renovations, including planning, consulting, implementation and management. The company offers comprehensive solutions for new buildings, facade work, interior design and other construction-related services.
Walo Bertschinger AG
Since 1957 · 51–100 empl.
Walo Bertschinger AG is a construction company operating across construction markets as a general contractor, offering services such as road and civil engineering, rail construction, water engineering, building construction, concrete repair, flooring systems and material processing.
Müller + Partner AG Architekten + Planer
Since 2007 · 11–20 empl.5.0(3)
The core activity of Müller+Partner Architekten is the provision of architectural services, particularly in the planning and realization of construction projects. The company offers services such as design planning, building permit planning, tendering and execution planning, and supports clients in realizing their individual architectural wishes.
WEHA Immobilien & Generalunternehmung GmbH
Since 2015 · 1–10 empl.
WEHA Immobilien & Generalunternehmung GmbH operates as a general contractor and provides the full range of construction services required to realize building projects. Its services include land search and project development, architecture, and construction/project management, performed together with partner firms.
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 specialises in heating, sanitary and ventilation systems as well as the purchase, sale and rental of real estate. The company provides building-services planning, installation, renovation and maintenance, and supports property transactions.
Genu Partner AG
Since 2008 · 11–20 empl.4.1(18)
The company provides comprehensive solutions for new and renovation construction projects, including project development, construction management, construction trust, planning and realization of residential buildings, commercial and office complexes, as well as public buildings. It combines owner-focused thinking with a comprehensive range of services, from investment idea to planning and realization to complete 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.
Winkel Bauplan GmbH
Since 2022 · 1–10 empl.5.0(7)
Winkel Bauplan GmbH is a landscape architecture and outdoor space planning firm. The company designs, develops, and supports projects for public, private, and shared outdoor spaces, including gardens, schoolyards, playgrounds, neighbourhoods, and public areas.
Müller Heuscher GmbH
Since 2005 · 1–10 empl.4.0(4)
The core activity of Müller. Heuscher. Architektur is the planning and realization of construction projects, particularly in the field of architecture, with a focus on residential buildings, commercial buildings and industrial buildings. The company also offers services in the field of real estate and has its own team of architects and employees.
Linearis AG
Since 1989 · 1–10 empl.5.0(2)
Linearis AG is an architecture and general contracting company specializing in the planning, consulting and implementation of construction projects. The core activities include the creation of residential buildings, commercial buildings and historic buildings, as well as renovation and conversion projects. The company offers a comprehensive range of services, from consulting to planning and implementation of construction projects.
Antares Plan AG
Since 2021 · 1–10 empl.
Antares Plan AG is an owner-managed planning and project development firm offering land acquisition, concept development, project planning, construction realization and quality assurance services.
s+p Schmid Partner AG
Since 1973 · 1–10 empl.3.2(9)
s+p Schmid Partner AG is an architecture and construction consultancy offering planning, project development and realization services for renovations, conversions and new buildings. Services include feasibility studies, permit procedures, tendering, construction supervision, cost control and support across all project phases.
AGOB AG
Since 1970 · 1–10 empl.5.0(1)
The core activity of AGOB AG is the planning and realization of residential and commercial buildings, in particular single-family homes, multi-family homes and residential complexes, as well as the provision of services in the area of "serviced living" in cooperation with bonacasa.
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 a general contractor in the real estate sector that plans, constructs and markets primarily residential buildings. The company also provides services for property sales and rentals.
Quadraplan AG
Since 2009 · 11–20 empl.
The core activity of Quadraplan AG is the planning and realization of high-rise buildings as a general contractor, including contract negotiation, planning and complete implementation of construction projects.
LIA Real Estate AG
Since 2018 · 1–10 empl.
LIA Real Estate AG is a real estate company providing property development, design and execution planning, and construction management services. Its offerings include total and general contracting, building consultancy for new builds and renovations, project development, and property marketing and sales.
Inhabita GmbH
Since 2022 · 1–10 empl.
The core activity of Inhabita GmbH is architecture, particularly the planning, design and implementation of construction projects, such as the transformation of spaces and places, taking into account creative and calculative aspects.
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 Contractors in the Canton of Schaffhausen
General Contractors in the region
Point size by number of companies per place.
Source: commercial register (Zefix) · as of October 10, 2026
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