Owner's representation in
St. Gallen

27 companies in Owner's representation based in St. Gallen — name and year of registration from the commercial register. The list below shows them all.

Companies

All 27 companies in St. Gallen

Mettler Entwickler AG Logo

Mettler Entwickler AG

Since 2003 · 21–50 empl.4.5(20)

Mettler Entwickler AG develops and delivers real estate projects and provides financing services for them. Its activities include feasibility studies, use concepts and financing models, as well as marketing properties for sale and rent.

Owner's representationProject developmentFinancingRealisation
ranQ Trust Score 4.4 out of 5.0, rated Very high, Rank #1
Goldbeck Rhomberg AG Logo

Goldbeck Rhomberg AG

Since 2006 · 21–50 empl.5.0(6)

Goldbeck Rhomberg AG delivers systematised, turnkey construction projects for logistics and industrial halls, office buildings, car parks, residential buildings and data centres. The company supports real estate projects across the full lifecycle and also offers parking services.

General contractorTurnkey Industrial HallsOffice BuildingsParking Garages
ranQ Trust Score 4.4 out of 5.0, rated Very high, Rank #2
Bruderer Immo AG Logo

Bruderer Immo AG

Since 1969 · 1–10 empl.

Bruderer Immo AG develops and delivers real estate projects and provides services for property owners. Its activities include property management, sales and rentals, as well as client-side construction advice and representation.

Owner's representationProperty management & administrationSale of propertiesClient advisory / client representation
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #3
Urs Zangerl AG Logo

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.

ArchitectClient advisory – Client representationConstruction management
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #4
bauer Baumanagement AG Logo

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.

Owner's representationClient representationConstruction managementProject management
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #5
Archplan AG Logo

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.

ArchitectArchitectural planningCompetitions and studies
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #6
Hitz AG Bauherrenkompetenz Logo

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.

Owner's representationClient advisory & client representationDevelopment and strategyReal estate economics
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #7
Gantenbein + Partner AG Logo

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.

Owner's representationConstruction ManagementConstruction Site ManagementProject Management and Development
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #8
bauer Projektmanagement AG Logo

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.

Owner's representationConstruction project managementOwner representation / owner trusteeshipConstruction management
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #9
Bauatelier Schwartz AG Logo

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.

Owner's representationClient representationConstruction site managementProject management
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #10
Basler & Hofmann AG Logo

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.

Owner's representationBuilding owner advisorySustainable development of buildings, sites and portfoliosSite and land development
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #11
Swiss Baumanagement AG Logo

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.

Owner's representationClient representationClient consultingConstruction management
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #12
ihrBAUmanager GmbH Logo

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.

Construction managerConstruction managementProject and construction managementWork package tendering
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #13
Gruner AG Logo

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.

Owner's representationInfrastructure constructionBuilding construction
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #14
Baumed Bauleitungen AG Logo

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.

Construction managerProject and construction managementClient advisoryTendering and bill of quantities
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #15
Dafema AG Logo

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.

Owner's representationProperty managementReal estate trustee servicesRenovation and refurbishment
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #16
Eberhard Baukultur GmbH Logo

Eberhard Baukultur GmbH

Since 2023 · 1–10 empl.

Eberhard Baukultur GmbH provides advisory services in architecture, urban planning and heritage conservation, with a focus on existing buildings. Its work includes client-side advice, use and development concepts, expert assessments, and sharing knowledge through writing, lectures and guided tours.

Owner's representationClient advisoryClient representationConservation assessments
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #17
Bureau René GmbH Logo

Bureau René GmbH

Since 2023 · 1–10 empl.

Bureau René GmbH provides property management services and acts as client representation for construction projects.

Owner's representationProperty managementClient representation
ranQ Trust Score 3.8 out of 5.0, rated High, Rank #18
SILCC GmbH Logo

SILCC GmbH

Since 2023 · 1–10 empl.

SILCC GmbH conducts building and building-fabric assessments and prepares tailored maintenance and renewal plans for existing properties. It also plans and delivers conversions, refurbishments and extensions.

ArchitectProperty and building component inspectionMaintenance and renewal conceptsArchitecture and construction management
ranQ Trust Score 3.8 out of 5.0, rated High, Rank #19
Mahr Baumanagement GmbH Logo

Mahr Baumanagement GmbH

Since 2023 · 1–10 empl.

Mahr Baumanagement GmbH provides construction management and site supervision for building projects, as well as support for clients throughout planning and construction. Its services include tendering, scheduling and cost control, on-site supervision, project management and client representation.

Construction managerConstruction management and project managementClient representationMaster planning
ranQ Trust Score 3.8 out of 5.0, rated High, Rank #20
Appert Hanselmann AG Logo

Appert Hanselmann AG

Since 2013 · 11–20 empl.3.0(1)

The core activity of Appert Hanselmann AG is construction management, in particular general contracting and overall project management of construction projects of all kinds, including laboratory and clean rooms, hotels, data centers, residential buildings, high-rise buildings, shopping centers, logistics centers, garage operations, industrial and office buildings, gas stations and stadiums. In doing so, the company takes over all processes in construction, from development and planning to construction management, project management and client representation.

Owner's representation
ranQ Trust Score 3.8 out of 5.0, rated High, Rank #21
kaiserreich GmbH Logo

kaiserreich GmbH

Since 2023 · 1–10 empl.

kaiserreich GmbH provides client-side construction consulting and guidance for new-build, renovation and conversion projects involving corporate properties. It develops concepts for buildings and workspaces and supports clients from needs assessment through implementation.

Construction managerClient AdvisoryCorporate Architecture SystemWorkshop
No score yet
bbvfischer gmbh Logo

bbvfischer gmbh

Since 2023 · 1–10 empl.

bbvfischer gmbh advises, supports and represents building owners in the development, planning and execution of property projects. Its services include potential analysis, procurement procedure advice, liaison with authorities, project management, and quality and risk management.

Owner's representationClient advisory servicesClient project supportClient representation
No score yet
Berger Bauleitung und Projektentwicklung GmbH Logo

Berger Bauleitung und Projektentwicklung GmbH

Since 2025 · 1–10 empl.

Berger Bauleitung und Projektentwicklung GmbH provides construction management and project development services for building projects. The company supports projects in close cooperation with clients, planners and tradespeople, with a focus on the realisation of sustainable projects.

Construction managerConstruction managementProject development
No score yet
EI

Erag Immobilien AG

Since 1985 · 1–10 empl.

Construction manager
No score yet
RA

Roefs Architektur + Baumanagement GmbH

Since 2012 · 1–10 empl.

Architect
No score yet
PG

PAHE GmbH

Since 2024 · 1–10 empl.

Coach
No score yet

Owner's representation in St. Gallen

27Owner's representationCommercial register (Zefix) · as of November 6, 2026
2015Median year of registrationCommercial register (Zefix) · as of November 6, 2026
130in the Canton of St. GallenCommercial register (Zefix) · as of November 6, 2026
1,398in SwitzerlandCommercial register (Zefix) · as of November 6, 2026
Locations

Owner's representation in the region

Point size by number of companies per place.

Source: commercial register (Zefix) · as of November 6, 2026