Owner's Representative in the
Canton of Thurgau

47 companies in Owner's Representative based in the Canton of Thurgau — name and year of registration from the commercial register. The list below shows them all.

Companies

All 47 companies in the Canton of Thurgau

Marthaler Immobilien AG

Since 1989 · 21–50 empl.3.7(52)

The core activity of Marthaler Immobilien Management is real estate management, including administration, rental, sale and maintenance of properties. The company also offers additional services such as real estate marketing, real estate accounting and asset management.

Owner's RepresentativeReal estate salesFirst letting and rentalsProperty valuation

AGBAU Andreas Gassmann GmbH

Since 2012 · 1–10 empl.5.0(8)

AGBAU Andreas Gassmann GmbH is a general contractor specializing in conversions, extensions and renovations, providing consulting, design and construction management services. The company coordinates planning and on-site execution through a multidisciplinary team of construction professionals.

Building ConstructionConversion of buildingsBuilding extensionRenovations

MLR Baumanagement GmbH

Since 2010 · 1–10 empl.4.6(9)

The core activity of MLR Baumanagement GmbH is the provision of services in the field of construction management, particularly in project management, construction management, construction acceptance, mediation in construction and warranty acceptance. The company supports builders in the planning, execution and acceptance of construction projects to ensure that they are completed on time, within budget and with high construction quality.

Construction & Project ManagementProject managementSite managementClient advisory

Immo3 Partner AG

Since 2004 · 21–50 empl.4.8(4)

The core activity of Immo3 Partner AG is the realization of high-rise building projects, including the evaluation, estimation and analysis of objects and properties, consulting on real estate strategy, architecture, project and construction management, submissions, general planning, cost planning and control, scheduling and commissioning. The company thus offers comprehensive services in the field of real estate management and construction project development.

Architecture FirmsReal estate project developmentClient representation and overall managementOverall planning and architecture

Inauen & Inauen AG

Since 1972 · 11–20 empl.

The company provides corporate consulting and owner consulting services. The core activities include: Corporate consulting: organization, restructuring, succession planning, company valuation, and management concepts for SMEs. Owner consulting: planning and implementation of construction projects, maintenance planning and management, creation of network status reports, calculation of actual and replacement values, economic calculations, and strategies for optimal asset preservation of infrastructure. The company supports customers in the development and implementation of projects, with a focus on sustainability and cost optimization.

Construction & Project ManagementClient advisoryInfrastructure maintenanceSME consulting

Bauquelle Dienstleistungen GmbH

Since 2006 · 1–10 empl.

The core activity of the company 'Bauquelle GmbH' consists of providing services in the field of owner consulting and representation, particularly: owner consulting, construction acceptance, building valuations and assessments, renovation of old buildings and damage analysis, treatment of construction and moisture damage, schedule, quality and cost control, organization and optimization of construction processes. The company thus offers comprehensive consulting and support services for owners and property owners to ensure that their construction projects are carried out successfully and efficiently.

Owner's RepresentativeClient advisory servicesConstruction acceptance inspectionsBuilding valuations / appraisals

Novum Bau AG

Since 2006 · 1–10 empl.

The core activity of Novum Bau AG is the provision of construction services, particularly in the areas of construction management, construction supervision, construction consulting and architecture. The company specializes in the planning, execution and renovation of buildings, including residential houses, commercial properties, schools, churches and other public buildings.

Construction & Project ManagementConstruction site supervisionConstruction project supportConstruction advisory

DüNNENBERGER Projektentwicklung GmbH

Since 2014 · 1–10 empl.

The core activity of Dünnenberger Projektentwicklung is project development, management and support in the fields of construction, environment and energy. This includes the conception, planning, coordination and realization of projects, such as the development of infrastructure facilities, high-rise buildings, energy projects and environmental projects. The company also offers services such as organizational development, coaching, project controlling and management.

Owner's RepresentativeProject developmentProject management | Project supportOrganisational development

Liftberatung UP GmbH

Since 2015 · 1–10 empl.

Liftberatung UP GmbH is an independent, manufacturer‑neutral consultancy for the planning, implementation and management of lift and elevator systems. Its services include consulting, condition assessments and expert reports, new‑build planning, tender preparation, project management, modernizations and portfolio and maintenance‑contract management.

Technical Consulting & EngineeringConsulting services for elevator systemsAssessments and condition reportsProject management for lift modernizations and new builds

rbl baumanager ag

Since 2017 · 11–20 empl.

The core activity of Baumanager AG is construction management, particularly the coordination of project workflows with regard to quality, costs and deadlines, as well as mediation between the building owner, planners and contractors.

Construction & Project ManagementConstruction managementClient representationOverall management and construction management

Apfeltec GmbH

Since 2017 · 1–10 empl.

The core activity of Apfeltec GmbH is building automation, including planning, control and monitoring of building systems.

Owner's RepresentativeClient representationLabelling concept

Schüssler GmbH

Since 2019 · 1–10 empl.

The core activity of Baubewusst is the provision of services in the field of construction, particularly in independent construction consulting, efficient construction management and sustainable building biology for private and institutional new construction, renovation and refurbishment projects.

Owner's RepresentativeClient advisoryClient representationClient support & owner representation

Nater GmbH

Since 2021 · 1–10 empl.4.6(11)

Nater GmbH provides building-services installations and industrial assembly, including the planning and installation of heating, sanitary, solar and ventilation systems. It also offers service, repairs and consulting for sanitary, heating and combustion systems.

Owner's RepresentativeHeatingSanitary installationsSolar systems

CREA BAUSERVICE, Andreas Demir

Since 2018 · 1–10 empl.4.7(16)

The core activity of CREA BAUSERVICE is the execution of conversion and renovation works in the construction industry.

Building ConstructionConstruction services

RBM Ruppanner Baumanagement GmbH

Since 2007 · 11–20 empl.5.0(3)

The core activity of rbm Ruppanner Baumanagement GmbH is construction management, particularly the planning, monitoring and coordination of construction projects, including construction management, fire protection and the execution of projects in the field of high-rise construction.

Owner's RepresentativeClient advisory / representationConstruction management / overall management / site managementBuyer support

Büchel Neubig Partner GmbH

Since 2003 · 11–20 empl.4.8(5)

Büchel Neubig Partner GmbH is an architectural practice offering design and execution services for buildings as well as energy assessments and the development of energy concepts. Its services include new construction, conversions and renovations (often with heritage authorities), construction management, client representation and energy consultancy such as energy checks and GEAK reports.

Architecture FirmsArchitectural services for above-ground buildingsEnergy consulting and energy conceptsClient representation and client advisory

IBC Innova Baumanagement & Consulting AG

Since 2006 · 11–20 empl.3.0(2)

The company ibc Innova Baumanagement & Consulting AG is a project developer and client representative specializing in the planning, development and realization of construction projects. The company's core activity encompasses overall responsibility for new buildings, conversions and renovations, with a focus on function, performance, quality and cost.

General ContractorsIntegrated project solutions

DIMU BAUmanagement GmbH

Since 2005 · 1–10 empl.5.0(2)

The core activity of DIMU BAUmanagement GmbH is the provision of services in the field of architecture and construction management, including concept studies, consulting, property analyses, project development, implementation, cost management and client representation.

Owner's RepresentativeClient representationProject developmentConcept studies and advisory services

ienco ag

Since 2013 · 1–10 empl.5.0(1)

The core activity of ienco ag is the provision of services in the fields of architecture, construction management, construction consulting, construction management and owner consulting. The company offers consulting and planning services for construction projects and supports customers in the implementation of their projects.

Architecture FirmsArchitectureConstruction and client advisoryClient representation

Morf Bau- & Projektleitung GmbH

Since 2014 · 1–10 empl.4.2(5)

The core activity of Morf Bau- & Projektleitung GmbH is the planning, execution and supervision of construction projects, including new construction, renovation and refurbishment of buildings, incorporating construction management and project management.

Construction & Project ManagementConstruction managementProperty management

1A BAULEITUNGEN Peter Gerschwiler

Since 2010 · 1–10 empl.1.0(1)

1A BAULEITUNGEN Peter Gerschwiler provides project and construction planning for new builds, conversions and renovations. Its services include client consulting, cost estimation, client representation, project coordination, on-site construction management and quality control.

Owner's RepresentativeClient representationClient advisoryProject and construction planning

BHV Partner GmbH

Since 2026 · 1–10 empl.

BHV Partner GmbH is a real estate company that supports owners with the sale, marketing, and valuation of residential and investment properties. It also provides property advisory services and assists with buying and brokering real estate.

Construction & Project ManagementReal estate salesReal estate valuationProperty brokerage

Jaeger Maffeo + Partner GmbH

Since 2026 · 1–10 empl.

Jaeger Maffeo + Partner GmbH is an architectural firm that works on planning projects, permit applications, detailed design, and construction management. The company also offers feasibility studies, client representation, building surveys, property valuation, support with financing, and assistance in the sale of real estate.

Architecture FirmsArchitectural and Planning ServicesConstruction ManagementClient Representation

Bauregie Baumanagement GmbH, Zweigniederlassung Arbon

Since 2026 · 1–10 empl.

Bauregie Baumanagement GmbH, Zweigniederlassung Arbon provides services in construction and project management, including overall project leadership and client advisory. Its work also covers cost estimates, tendering, cost control, schedule and quality management, as well as project handover and warranty-related tasks.

Technical Consulting & EngineeringConstruction and project managementClient advisory and client representationConstruction cost and tender management

Liega Treuhand GmbH

Since 2006 · 1–10 empl.

The core activity of Liega Treuhand GmbH is real estate management, particularly the administration of individual properties and larger developments for private individuals, investors, foundations, and condominium owner associations.

Owner's RepresentativeRental property managementCondominium ownership managementReal estate sales

No score yet

Mierzwa Bauberatung

Since 2025 · 1–10 empl.

Mierzwa Bauberatung provides building consultancy services and supports clients with questions related to construction projects. The website includes contact details such as office address, email, and phone number.

Construction & Project ManagementConstruction Consulting

No score yet

Resus Development AG

Since 2025 · 1–10 empl.

Resus Development AG develops sustainable real estate and energy infrastructure. The company focuses on land development, the management of multi-family properties, and project development in battery storage and other sustainability-related ventures.

Owner's RepresentativeReal estate developmentMultifamily property holdingProperty project development

No score yet

StepIN Concept GmbH

Since 2025 · 1–10 empl.

StepIN Concept GmbH supports building projects with a focus on spatial concepts as well as use and equipment planning. The company assists private, commercial and public clients with requirement analysis, operational concepts and project support through implementation.

Architecture FirmsSpace Concept and Interior PlanningUse and Operating ConceptsNeeds Analysis and Planning Basis

No score yet BB

Brun Bautreuhand GmbH

Since 1995 · 1–10 empl.

Owner's Representative

No score yet IO

Immobilien Ostschweiz AG

Since 1998 · 1–10 empl.

Owner's Representative

No score yet IF

Institut für Gutachten, Expertisen und Engineering ae GmbH

Since 2007 · 1–10 empl.