Owner's representation in
Winterthur

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

Companies

All 26 companies in Winterthur

ROBAUEN AG Logo

ROBAUEN AG

Since 2012 · 11–20 empl.5.0(10)

The core activity of ROBAUEN AG is the provision of services in the field of construction management and construction supervision, including cost planning and project development.

Construction managerConstruction management / site supervisionCost planningOverall management / consulting
ranQ Trust Score 4.3 out of 5.0, rated Very high, Rank #1
Rovera Immobilien- und Baumanagement AG Logo

Rovera Immobilien- und Baumanagement AG

Since 1996 · 1–10 empl.5.0(5)

The company's core activity is construction management, particularly in the field of building construction, including cost estimation, QSS fire protection, project, cost, schedule and quality management of construction projects, as well as the implementation of overall project management, feasibility studies, expert opinions, planning, design, project management and construction management for new and renovation projects.

Construction managerClient advisoryConstruction managementOverall project management in construction
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #2
RCMD AG Logo

RCMD AG

Since 2009 · 1–10 empl.

The core activity of RCMD AG is the independent consulting, management and development of real estate. They support private, institutional and public clients in real estate projects of all kinds, ensuring compliance with quality, cost and deadline specifications.

Owner's representationReal estateConsultingManagement
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #3
Barok GmbH Logo

Barok GmbH

Since 2016 · 1–10 empl.

Barok GmbH provides construction management and coordination services for building projects. Its activities include architectural planning, project and site management, site organisation, schedule and cost planning, tendering, and warranty and defect management.

Building contractorConstruction Management & Site CoordinationPlanning & ImplementationCost Estimation
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #4
Kontext Generalplanung AG Logo

Kontext Generalplanung AG

Since 2018 · 1–10 empl.

The core activity of Kontext Architektur AG is the provision of architectural and planning services, including general planning, client representation and property management, with a focus on projects involving wet areas, saunas, swimming pools and other specialized facilities.

ArchitectGeneral planningSubmissions and tendersConstruction management
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #5
BAUMBERGER RECHTSANWÄLTE AG Logo

BAUMBERGER RECHTSANWÄLTE AG

Since 2019 · 1–10 empl.

The core activity of Baumberger Rechtsanwälte is the provision of legal services, particularly in the areas of construction, planning and environmental law. The company offers consulting and representation services to clients in these areas of law and has specialized in handling cases related to construction and planning.

Lawyer
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #6
AUWIESEN IMMOBILIEN AG Logo

AUWIESEN IMMOBILIEN AG

Since 1915 · 11–20 empl.3.3(151)

AUWIESEN IMMOBILIEN AG provides services across the property lifecycle. Its activities include managing residential, industrial and commercial properties, portfolio management, construction and property management, property development and marketing.

Owner's representationResidential property managementIndustrial & commercial property managementPortfolio management
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #7
Bau + Raum Organisation GmbH Logo

Bau + Raum Organisation GmbH

Since 2020 · 1–10 empl.

The core activity of the company 'Bau + Raum Organisation GmbH' consists of providing services in the field of building construction, particularly in construction management, project management, consulting and space planning. Specifically, this includes: Construction management: local construction management, tenders, cost and schedule planning, reuse of building components. Project management: leading planning teams, client project management, quality management. Consulting: client consulting, space planning, building law, GEAK (Total Energy Certificate for Buildings). The company supports clients in the planning, execution and settlement of construction projects, offering comprehensive support.

Owner's representationConstruction supervisionProject managementConsulting
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #8
Puls Baumanagement GmbH Logo

Puls Baumanagement GmbH

Since 2015 · 11–20 empl.5.0(4)

Puls Baumanagement GmbH is a construction management firm providing site management, project management and advisory services to building owners. It coordinates construction professionals and site activities, and plans and monitors costs, schedules and execution quality throughout the building process.

Construction managerConstruction site supervision and construction managementProject managementConstruction client advisory
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #9
Bednar Steffen Architekten AG Logo

Bednar Steffen Architekten AG

Since 2011 · 11–20 empl.5.0(1)

Bednar Steffen Architekten AG is an architectural practice that supports projects through all phases. Its work includes residential, commercial, industrial, banking and public buildings, as well as client representation.

ArchitectArchitectural servicesClient representationFeasibility studies
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #10
Baubeginn Schiess AG Logo

Baubeginn Schiess AG

Since 2022 · 1–10 empl.4.3(4)

Baubeginn Schiess AG is a construction management office that plans, coordinates and supervises building projects. Its services cover several project phases, from cost estimates and tendering to construction supervision and handover, for new builds, conversions and renovations.

Owner's representationConstruction management
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #11
Hoch3 Baumanagement AG, Zweigniederlassung Winterthur Logo

Hoch3 Baumanagement AG, Zweigniederlassung Winterthur

Since 2023 · 1–10 empl.4.4(7)

Hoch3 Baumanagement AG, Zweigniederlassung Winterthur provides construction management, site supervision and fire protection services for complex building projects. Its work includes consulting, planning and coordinating projects throughout the planning and construction process.

Owner's representationConstruction managementConstruction site managementFire protection
ranQ Trust Score 3.8 out of 5.0, rated High, Rank #12
Beat Sommer Bau GmbH Logo

Beat Sommer Bau GmbH

Since 2013 · 1–10 empl.5.0(1)

The core activity of Scheidegger Friedhofbedarf AG is the development, production and distribution of cemetery and funeral articles, such as coffin transport vehicles, grave decorations, waste containers and other products for the cemetery and funeral industry.

Owner's representationBuilding owner advisoryBuilding owner representationConstruction management and coordination
ranQ Trust Score 3.8 out of 5.0, rated High, Rank #13
MINT Baumanagement GmbH Logo

MINT Baumanagement GmbH

Since 2022 · 1–10 empl.5.0(1)

The core activity of MINT Baumanagement GmbH is construction management, construction supervision and construction consulting for public and private renovation and new buildings, including the planning, coordination and monitoring of construction projects, as well as the renovation and interior design of buildings.

Construction managerConstruction managementConstruction managementConstruction consulting
ranQ Trust Score 3.7 out of 5.0, rated Solid, Rank #14
ANDREAS BERTET ARCHITEKTUR BAUMANAGEMENT IMMOBILIENBEWERTUNG Logo

ANDREAS BERTET ARCHITEKTUR BAUMANAGEMENT IMMOBILIENBEWERTUNG

Since 2008 · 1–10 empl.1.0(1)

ANDREAS BERTET ARCHITEKTUR BAUMANAGEMENT IMMOBILIENBEWERTUNG advises and represents private clients and organisations on construction projects. Its services include property valuations and reports, construction management, and the planning and coordination of smaller conversions and renovations.

ArchitectConstruction process supportReal estate valuationsExpert reports
ranQ Trust Score 3.7 out of 5.0, rated Solid, Rank #15
BOVET Bauen und Beraten GmbH Logo

BOVET Bauen und Beraten GmbH

Since 2016 · 1–10 empl.3.0(2)

BOVET Bauen und Beraten GmbH provides client representation, project management and consultancy for planning and construction projects. Its services include overall project leadership, project control, and analysis and expert reports on building defects, damage, and planning and construction management services.

ArchitectClient representationConstruction advisoryExpertise and expert reports
ranQ Trust Score 3.7 out of 5.0, rated Solid, Rank #16
graf.construction GmbH Logo

graf.construction GmbH

Since 2026 · 1–10 empl.

graf.construction GmbH provides construction management and client representation services. Its activities include project planning, CAD drafting, construction supervision, and planning in fire protection and building physics.

ArchitectConstruction ManagementClient Advisory ServicesSite Supervision
ranQ Trust Score 3.4 out of 5.0, rated Solid, Rank #17
Bauexperts und Immowert GmbH Logo

Bauexperts und Immowert GmbH

Since 2010 · 1–10 empl.

Bauexperts und Immowert GmbH prepares expert reports and documents evidence concerning construction matters, and assesses building damage. Its services also include construction and renovation advice, client representation, construction supervision, property advice, and moisture and sound measurements.

Owner's representationClient representationConstruction supervision / project accompanimentConstruction advisory
No score yet
NOVIVA AG Logo

NOVIVA AG

Since 2022 · 1–10 empl.

The core activity of Noviva includes the development, management and consulting of real estate projects, particularly in the area of residential and building development. This includes the analysis and evaluation of plots of land and properties, project development, project management, accompaniment of planning and implementation phases, creation of project calculations and the brokerage of real estate. Additionally, Noviva offers consulting and representation services for builders, investors and other interested parties.

Owner's representationProperty developmentProject managementProject consulting and brokerage
No score yet
APS PLANTECH AG Logo

APS PLANTECH AG

Since 1987 · 1–10 empl.

Engineer
No score yet
PB

PBE Bau GmbH

Since 2019 · 1–10 empl.

Architect
No score yet
MM

Maitron Manufaktur AG

Since 2021 · 1–10 empl.

Engineer
No score yet
BB

bauer Baumanagement AG

Since 2022 · 1–10 empl.

Owner's representation
No score yet
SE

swissbuild elmer

Since 2023 · 1–10 empl.

Construction manager
No score yet
K&

kreis & rund gmbh

Since 2023 · 1–10 empl.

Construction manager
No score yet
IB

Immobilien Beratung Hug

Since 2025 · 1–10 empl.

Owner's representation
No score yet

Owner's representation in Winterthur

26Owner's representationCommercial register (Zefix) · as of November 6, 2026
2019Median year of registrationCommercial register (Zefix) · as of November 6, 2026
360in the Canton of ZurichCommercial 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