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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint744,805 companies indexed · Last updated: today
DirectoryOwner's Representative

Owner's Representative

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IndustryConstruction & ArchitectureIndustryOwner's Representative
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Matching companies

961 companies found

NF Gebäude- & Baumanagement GmbH Logo

NF Gebäude- & Baumanagement GmbH 

Wilen B. Wollerau · Since 2020

The core activity of NF Gebäude- & Baumanagement GmbH is construction management, particularly construction and project management, owner representation and project development in the building sector, with a focus on high-quality execution and sustainable solutions.

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nice1 ag Logo

nice1 ag 

Bülach · Since 2020

Architecture FirmsConstruction & Project ManagementOwner's Representative
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NM Baumanagement GmbH Logo

NM Baumanagement GmbH 

Bern · Since 2021

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prosys project AG Logo

prosys project AG 

Zofingen · Since 2023

The core activity of prosys concept AG is the provision of services in the field of architecture, planning and construction, particularly as a general contractor and total contractor, with a focus on turnkey solutions, project management, product management and general planning.

Building ConstructionGeneral ContractorsOwner's Representative
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reizSTOFF GmbH Logo

reizSTOFF GmbH 

Gelterkinden · Since 2017

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Richi Rüegg Konzept GmbH Logo

Richi Rüegg Konzept GmbH 

Zug · Since 2017

Construction & Project ManagementOwner's Representative
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Robert Pfister AG Logo

Robert Pfister AG 

Bern · Since 1972

The core activity of Robert Pfister AG is the provision of services in the real estate and insurance sectors, particularly: * Management of rental properties and condominiums * Marketing of commercial properties and condominiums * Valuation of individual properties and portfolios * Development and support of construction projects * Provision of insurance services The company positions itself as a competent partner in the greater Bern area and offers needs-based customer consulting in the field of insurance.

Owner's RepresentativeProperty ManagementReal Estate Brokerage
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ROMACO AG Logo

ROMACO AG 

Lachen Sz · Since 2013

ROMACO AG provides consulting in building services (heating, ventilation, air conditioning), energy optimisation and fire protection, and performs technical assessments and building acceptances. Services include energy consultancy with GEAK reports issued by the company’s certified GEAK expert Roger Matt, ventilation/HVAC concept advice and expert reports for property owners, architects and planners.

Technical Consulting & EngineeringOwner's Representative
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Scala Capital SA Logo

Scala Capital SA 

Geneva · Since 2009

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Schmid Baumanagement GmbH Logo

Schmid Baumanagement GmbH 

Urdorf · Since 2014

Construction & Project ManagementOwner's RepresentativeReal Estate Project Development
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Schwendener Baumanagement AG Logo

Schwendener Baumanagement AG 

Zurich · Since 2011

The core activity of Schwendener Baumanagement AG is construction planning and implementation, particularly in overall planning, construction management, owner representation and the implementation of buildable architecture for professional builders and institutional investors.

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siworks immo AG Logo

siworks immo AG 

Schindellegi · Since 2017

siworks immo AG provides services in real estate construction, construction management and client representation. Its offerings also include building automation and IoT-based building monitoring, fire protection solutions, flat-roof monitoring, nurse-call systems, solar/PV project planning and the production of electrotechnical components.

General ContractorsOwner's Representative
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SMBM GmbH Logo

SMBM GmbH 

Brugg Ag · Since 2024

Architecture FirmsConstruction & Project ManagementGeneral Contractors
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Stebü AG Logo

Stebü AG 

Walenstadt · Since 1999

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Stefan Schäppi Bauleitungen für Architektur GmbH Logo

Stefan Schäppi Bauleitungen für Architektur GmbH 

Horgen · Since 2003

Stefan Schäppi Bauleitungen für Architektur GmbH provides construction management and site supervision services for architectural projects.

Construction & Project ManagementOwner's Representative
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Systembau STM GmbH Logo

Systembau STM GmbH 

Winikon · Since 2010

Owner's Representative
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TRENOVA LIEGENSCHAFTEN AG Logo

TRENOVA LIEGENSCHAFTEN AG 

Hergiswil Nw · Since 2008

The core activity of TRENOVA Liegenschaften AG is the holistic management of real estate, including services such as administration, sales, rental and development of properties, as well as consulting and support for owners and investors in the real estate market.

General ContractorsOwner's RepresentativeProperty Management
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WEPLABAU GmbH Logo

WEPLABAU GmbH 

Roggliswil · Since 2023

The core activity of Weplabau GmbH is construction management and owner representation, including services such as tendering, cost control, site management and owner consulting for construction projects.

Construction & Project ManagementGeneral ContractorsOwner's Representative
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ZRBaumanagement GmbH Logo

ZRBaumanagement GmbH 

Aarau · Since 2009

General ContractorsOwner's Representative
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S-BAUVISION GmbH Logo

S-BAUVISION GmbH 

Schübelbach · Since 2025

Construction & Project ManagementOwner's Representative
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Frequently asked questions

Searching the directory

How the search works, what each filter means, and how the results come together.

What can I search for in the directory?
The search field matches company names, industries and places. Beyond that you can filter by Industry (18 categories based on the NOGA classification), Size (number of employees), Region (canton, language region or postal code) and Special (keywords and entry date). Filters combine freely; the active ones appear as chips below the filter bar and can be removed there individually.
How do keywords work?
Keywords search the description and stated purpose of each company — the text that goes beyond the company name. Multiple keywords are combined with OR: every additional keyword widens the set of matches rather than narrowing it.
What belongs in the postal code field?
A single postal code (e.g. 8000) or a range (e.g. 1000-1010). The field accepts postal codes only — for place names, use Canton or Language region.
Per page
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How is organisation size determined?
Size reflects the number of employees and is calculated from publicly available information by a model developed in-house. It is a best-possible estimate, not an official figure.
What does the Verified label mean?
Verified means the entry is tied to a UID (Swiss business identification number) and therefore links back to the official Swiss business register. The label speaks to the company's identity — it is not a rating of its performance.

Source: Federal Statistical Office, UID register

How do I sort the results?
Use the dropdown above the list: Relevance, Name (A–Z), Best rating, Most reviews or Longest established. You can also switch between list and map view and set how many results appear per page.
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