Owner's Representative in the
Canton of St. Gallen

HS Baucon AG

Since 1991 · 11–20 empl.

The core activity of HS Baucon AG is the provision of services in the areas of construction consulting, construction controlling and owner representation. This includes in particular: Construction consulting: assessment of buildings and asset management consulting for private and institutional investors as well as for the public sector; Construction controlling: monitoring and control of construction projects, including troubleshooting and preparation of overall assessments; Owner representation: representation of the interests of building owners in construction projects, including mediation in cases of disagreement. The company offers these services for a wide range of construction projects, from single-family homes to large-scale developments, public swimming pools and school and training centers.

Gebr. Kilchmann AG

Since 1994 · 1–10 empl.

Gebr. Kilchmann AG is a construction company that plans and executes building projects. The firm provides project coordination, coordinates trades and suppliers, and delivers precise construction work.

bauer Baumanagement AG

Since 2000 · 1–10 empl.

bauer Baumanagement AG provides project and construction management services for new builds and renovations in the building sector, coordinating planning, tendering, cost control and schedule monitoring. Services also include client representation (Bauherrenvertretung), advisory work and technical analyses/expert reports.

Archplan AG

Since 2001 · 21–50 empl.·4.8(5)

Archplan AG is an architecture firm that provides architectural services from design through to project handover. The practice participates in competitions and studies, undertakes renovations and conversions, uses Building Information Modeling (BIM), and emphasizes resource-efficient materials and cost-conscious project planning.

Hitz AG Bauherrenkompetenz

Since 2005 · 1–10 empl.

The core activity of Hitz AG is the consulting and representation of property developers in real estate projects, including process design, project development, real estate economics and architecture. The company offers comprehensive services, from needs analysis to successful project completion, and places emphasis on sustainable project development.

iP baumanagement gmbh

Since 2006 · 1–10 empl.

The core activity of iP baumanagement gmbh is the provision of services in the field of construction management, particularly in project and construction management, planning, cost planning, controlling and consulting for building owners and architects. The company supports customers in the implementation of construction and renovation projects, from planning to completion, and offers a comprehensive range of services to successfully bring the projects to fruition.

TUOR Baumanagement AG

Since 2008 · 1–10 empl.

TUOR Baumanagement AG provides project and construction management and acts as a general planner, offering architecture, interior design and project management services. Additional services include owner's representation, construction consulting, energy assessments (energy certificates, thermographic analyses, PV feasibility studies), tendering according to CRB/NPK/BKP and on-site construction supervision with cost and schedule control.

NEGELE Projekt und Baumanagement

Since 2008 · 1–10 empl.

The core activity of Negele Bau Holding AG is project and construction management, including project development, general planning, construction management, project controlling, time, cost and quality control, as well as sustainability management in the construction industry.

Wälchli Baumanagement GmbH

Since 2009 · 1–10 empl.

The core activity of Wälchli Baumanagement GmbH is the provision of consulting, expert and training services for the construction industry. Specifically, this includes: Consulting and support in contract creation, review and execution; Change order management and price adjustment calculations; Interpretation and application of standards and regulations (e.g. SIA 118, SIA 121-126, NPK); Calculation and tendering; Construction supervision and quality management; Training and continuing education courses for construction professionals. The company supports building owners, planners and contractors in the planning, execution and settlement of construction projects and promotes fairness and transparency in the construction industry.

Gantenbein + Partner AG

Since 2011 · 11–20 empl.

Gantenbein + Partner AG is a construction management and project delivery firm that plans, coordinates and supervises building projects. Its services include project management and development, construction supervision, general planning, construction management, renovations and construction economics.

Hubmann Baumanagement GmbH

Since 2013 · 1–10 empl.

The core activity of Hubmann BauManagement GmbH is the provision of services in the construction sector, particularly in owner consulting, project and construction management, as well as in the representation of owners. The company supports customers in the planning, execution and acceptance of construction projects, including the selection of planners, contractors and suppliers.

bauer Projektmanagement AG

Since 2014 · 11–20 empl.

bauer Projektmanagement AG is a company providing construction project management and site management services in the building sector. Services include project leadership, construction management through turnkey handover, owner representation/owner’s trustee services, tendering and cost control, as well as property analyses and expert reports.

Urs Oertig Bauplanung GmbH

Since 2014 · 1–10 empl.

The core activity of Urs Oertig Bauplanung GmbH is planning and consulting in the field of construction, particularly for new buildings, conversions, renovations and refurbishments of single-family and multi-family homes, industrial and commercial buildings, as well as agricultural buildings.

Axalo Immobilien AG

Since 2015 · 21–50 empl.

Axalo Immobilien AG provides real estate services. Its activities include property sales and rentals, real estate and project development, client/builder representation, and property consulting and management; general and total contracting tasks are carried out via AXALO PLUS AG.

Swiss Baumanagement AG

Since 2015 · 1–10 empl.·4.4(8)

Swiss Baumanagement AG provides project planning, execution planning and construction management services for residential and commercial building projects. Services include feasibility studies, cost control, client representation, project coordination and warranty management.

Vermoplan Immobilien AG

Since 2016 · 11–20 empl.

The core activity of Vermoplan includes property management, brokerage and sales, as well as property valuations and consulting. This includes, among other things, the management of multi-family houses, commercial buildings, condominiums and co-ownership, as well as the creation of sales documents, financial consulting and participation in real estate purchases and sales.

Griesmeier Baumanagement AG

Since 2017 · 1–10 empl.

The core activity of Griesmeier Baumanagement AG is construction management, particularly the planning, organization and supervision of construction projects. The company offers services such as project management, civil engineering and architecture.

Bauatelier Schwartz AG

Since 2018 · 1–10 empl.

The core activity of Bauatelier Schwartz AG is the planning, design and construction management of building projects, particularly in the area of residential and commercial properties, such as single-family homes, multi-family homes, commercial properties and renovations.

Basler & Hofmann AG

Since 2021 · 101–500 empl.

Basler & Hofmann AG is a multidisciplinary engineering and planning firm that provides consulting, design and project engineering services for buildings, energy, environment, mobility and transport infrastructure, and publishes digital tools such as the Stratus portfolio management software.

Derungs bau-/ projektleitungen gmbh

Since 2007 · 1–10 empl.

The company "projekt-bauleitungen.ch" specializes in the creation of building services and thus offers services in the field of construction.

Birinci Projekt & Baumanagement GmbH

Since 2007 · 1–10 empl.·4.6(11)

The core activity of Birinci Projekt & Baumanagement GmbH is the provision of services in the field of insulation and fire protection in the construction industry. This includes in particular: Technical insulation (cold, heating, steam and sanitary pipes, apparatus, equipment, container and valve insulation and cladding), thermal insulation (heat with rock wool or synthetic rubber), fire protection (approved fire-resistant insulation EI 30 to EI 120 with rock wool products), and ventilation and penetration insulation. The company offers these services as a general contractor or subcontractor and supports its customers in the planning, execution and settlement of construction projects.

Gruner AG

Since 2020 · 21–50 empl.·4.1(7)

Gruner AG is an independent engineering consultancy offering planning, design and engineering services for building construction, infrastructure and energy. Its services include structural engineering, geotechnics, building services design, energy and water management, transport infrastructure, environmental and safety engineering, and digital engineering across all project phases.

Kunz Baumanagement

Since 2009 · 1–10 empl.

The core activity of Kunz Baumanagement is the provision of services in the areas of construction management, project management and owner consulting. This includes, in particular, the assumption of overall responsibility for the execution of construction projects, including quality control, scheduling and cost management, as well as the management of construction accounting and payment transactions. The company focuses on the realization of construction and project management and works closely with partner offices to provide comprehensive services.

as-baurealisierung gmbh

Since 2020 · 1–10 empl.

The company's core activity is the planning, consulting and realization of construction projects, particularly in the field of timber construction, with a focus on architecture, construction management and project management. The company offers comprehensive services, from idea generation to project completion, including consulting, planning, tendering, awarding and construction supervision.

Gruner AG

Since 2021 · 21–50 empl.·4.1(7)

Gruner AG is an independent engineering consultancy providing planning and engineering services. It delivers comprehensive services across building construction, infrastructure and energy projects, including structural design, geotechnical engineering, building services design, energy production and distribution, transport infrastructure, environment and safety engineering, and spatial planning.

Gantenbein + Partner AG

Since 2016 · 1–10 empl.

Gantenbein + Partner AG provides construction project and building management services, including project development, site supervision, general planning and construction-economy services for new builds, conversions and renovations.

ihrBAUmanager GmbH

Since 2017 · 1–10 empl.

The core activity of the company "ihrBAUmanager GmbH" is the provision of services in the field of construction management, including overall management, cost planning and construction management, as well as partnership with architects.

2SD Architekten AG

Since 1991 · 11–20 empl.·5.0(3)

The core activity of 2SD Architekten AG is the provision of architectural services, particularly the planning and design of buildings and spaces, taking into account aspects such as environment, quality, architectural design and costs.

dieBaulöwen AG

Since 2019 · 11–20 empl.

The core activity of the company "dieBaulöwen AG" is real estate development and general contracting, in particular the development and realization of multi-family homes and commercial buildings, as well as the provision of services in the areas of construction and project management, construction management, general contracting and owner representation and consulting.

Fabio Frei AG

Since 2016 · 1–10 empl.·5.0(2)

The core activity of FABIO FREI GMBH is the provision of services in the field of architecture and construction management. In particular, the company offers independent construction management services and supports architects and builders in ongoing projects. Specific activities include the planning and implementation of construction projects, such as multi-family homes, single-family homes and other real estate projects.

Baumed Bauleitungen AG

Since 2019 · 1–10 empl.·5.0(4)

Baumed Bauleitungen AG is a construction management firm providing project and site management and related services for building works. Services include tendering and specifications, cost management, scheduling, refurbishment and new-build site management, heritage restoration, defect expertise, owner advisory, public procurement support and overall project leadership.

Johann Loher AG, Montlingen

Since 1973 · 11–20 empl.·5.0(4)

The core activity of Joh. Loher AG is construction, including planning and implementation of construction projects, plastering work, renovations and comprehensive solutions for customers.

Carnier Gstöhl GmbH

Since 2016 · 1–10 empl.·5.0(3)

The company carnier gstöhl GmbH is an architectural firm specializing in the planning and consulting of construction projects. The core activities include: Architecture: Design and planning of new buildings, conversions, renovations, and restorations; Construction consulting: Consulting for builders and investors in the realization of construction projects; Village and urban development: Planning and consulting for the development of local images and urban areas; Garden consulting and planning: Consulting and planning of gardens and environmental design; Building and damage assessment: Assessment of buildings and damages for the building insurance of the canton of St. Gallen (GVA). The company emphasizes the integration of architecture into the existing environment, the use of ecological materials, and the consideration of the needs of the builders.

build - brain gmbh

Since 2021 · 1–10 empl.

The core activity of build-brain GmbH is the planning and realization of construction projects, particularly in the areas of new buildings, renovations, and property developments. The company offers services such as project development, planning, implementation, and control to support customers in implementing their construction wishes. It is an architecture and construction project management company that stands by customers as a building owner's representative and accompanies them in the planning and execution of construction projects.

Impuls Plus GmbH

Since 2025 · 1–10 empl.·5.0(12)

Die Gesellschaft bezweckt die Erbringung von Beratungs- und Dienstleistungen aller Art, insbesondere in den Bereichen Unternehmensberatung, Strategieberatung, Projekt- und Prozessmanagement, IT, Energie- und Umwelttechnik, sowie Forschung und Entwicklung für private und öffentliche Kunden. Sie kann Dienstleistungen im Zusammenhang mit der Planung, Projektierung und Ausführung von Bau- und Immobilienprojekten erbringen, einschliesslich der Erstellung, Koordination und Validierung von Datenmodelle

Dafema AG

Since 2005 · 11–20 empl.·3.1(53)

The core activity of DAFEMA AG is the rental, sale and management of real estate, including related services such as real estate management, real estate trust, renovation and refurbishment.

Schönenberger Architektur Immobilien GmbH

Since 2006 · 1–10 empl.·4.8(5)

The core activity of Schönenberger Architektur Immobilien GmbH is the planning and realization of individual buildings, including new constructions, renovations and restorations, taking into account energy efficiency and ecological aspects. The company offers a comprehensive range of services, including appraisals, expert opinions, sales and management of properties.

Vierkant Immobilien GmbH

Since 2021 · 1–10 empl.

The core activity of Vierkant Immobilien encompasses project development, property management and portfolio strategy in the field of real estate economics. Specifically, the company offers services such as the development of real estate projects, the management of property portfolios and the implementation of construction projects.