Owner's representation in the
Canton of St. Gallen

Urs Zangerl AG

Since 1984 · 1–10 empl.

Urs Zangerl AG provides construction management, client consulting and client representation for building projects. Its services include coordinating and monitoring project development, planning and execution, as well as cost and schedule planning, cost control and final accounts.

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 construction and project management for new-build and renovation projects in building construction. Its services include coordinating planning and construction, representing and advising building owners, and carrying out property analyses and expert assessments.

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.

NEGELE Projekt und Baumanagement provides services across the lifecycle of construction projects, from development and planning through execution and property management. Its services include project and construction management, client representation, cost, schedule and quality control, and facility management.

Wälchli Baumanagement GmbH

Since 2009 · 1–10 empl.

Wälchli Baumanagement GmbH provides consultancy, expert assessments and training for the construction sector. Its services include support with contracts, tendering and costing, technical and project management, construction supervision and assessment of building damage.

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.

bauer Projektmanagement AG

Since 2014 · 11–20 empl.

bauer Projektmanagement AG provides construction and project management for new builds and renovations in building construction. Its services include coordinating planning and construction, advising and representing clients, and preparing property analyses and expert reports.

Urs Oertig Bauplanung GmbH

Since 2014 · 1–10 empl.

Urs Oertig Bauplanung GmbH provides building planning, construction consulting and site supervision. Its services include project planning, cost estimates, permit submissions and construction drawings, as well as new builds, renovations and extensions for residential, commercial and 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.

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.

Bauatelier Schwartz AG supports clients and property owners with building projects, from consultation and planning through to construction. Its services include project and construction management, client-side consulting and representation, and the preparation of planning documents and visualisations.

Gruner AG

Since 2020 · 21–50 empl.·4.1(7)

Gruner AG is an engineering and design consultancy working in building construction, infrastructure and energy. It advises private and public clients and provides planning services from strategic planning through construction and commissioning to the management of buildings and infrastructure.

as-baurealisierung gmbh

Since 2020 · 1–10 empl.

as-baurealisierung gmbh provides client-side construction advice, planning, project and construction management. Its services cover new builds, conversions and renovations, as well as timber construction planning, fire safety and architectural services.

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.

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.

Swiss Baumanagement AG

Since 2015 · 1–10 empl.·4.4(8)

Swiss Baumanagement AG provides architecture and construction management services for residential and commercial buildings, including renovations. Its services include feasibility studies, project design and execution planning, site management, client advisory and representation, and coordination of warranty work.

ihrBAUmanager GmbH

Since 2017 · 1–10 empl.

ihrBAUmanager GmbH provides construction management and project supervision services. Its work includes tendering, cost estimates, renovation and heritage-related tasks, property valuations, building maintenance and energy analyses, assessments of construction defects, and advice to building owners.

Gruner AG

Since 2021 · 21–50 empl.·4.1(7)

Gruner AG is an engineering and design consultancy working in building construction, infrastructure and energy. It provides advisory, planning and engineering services throughout the life cycle of buildings and infrastructure, from strategic planning to operation, refurbishment and demolition.

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.

dieBaulöwen AG

Since 2019 · 11–20 empl.

dieBaulöwen AG provides real estate development and plans and delivers residential and commercial construction projects. Its services include construction and project management, general and total contracting, and client representation and consultancy.

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.

2SD Architekten AG

Since 1991 · 11–20 empl.·5.0(3)

2SD Architekten AG is an architecture practice offering architectural services, construction management and consultancy. Its work includes feasibility studies, project and execution planning, cost and schedule planning, site management, building analyses and client representation; it also uses BIM for project planning.

Fabio Frei AG

Since 2016 · 1–10 empl.·5.0(2)

Fabio Frei AG is an architecture and construction management practice. Its services include architectural design and building planning, construction management and project management, as well as advice and support for clients and architects throughout building 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.

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.

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.

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)

Dafema AG provides real estate services, including property management, rentals, sales and condominium administration. Its services also include real estate trust and advisory work, client representation in construction projects, property valuations, planning, maintenance, conversions and renovations.

Vierkant Immobilien GmbH

Since 2021 · 1–10 empl.

Vierkant Immobilien GmbH provides services in real estate development and management. Its work includes existing-property and project development, asset and portfolio management, transactions and valuations, as well as client representation, overall project management and construction consulting.

Schönenberger Architektur Immobilien GmbH

Since 2006 · 1–10 empl.·4.8(5)

Schönenberger Architektur Immobilien GmbH is an architecture practice working on new builds, conversions and renovations. Its services include consultancy, design and construction management, property valuations and sales, as well as general contracting.