Owner's representation in the
Canton of Thurgau

47 companies in Owner's representation 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(53)

Marthaler Immobilien AG brokers, markets and manages real estate. Its services also include property valuations and market analyses, project development, client representation in construction projects, and advice on real estate transactions and investment properties.

Owner's representationReal 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 contractorConversion of buildingsBuilding extensionRenovations

MLR Baumanagement GmbH

Since 2010 · 1–10 empl.4.6(9)

MLR Baumanagement GmbH provides project and construction management for new builds and renovations of residential, commercial and industrial buildings. Its services also include client advisory, construction and warranty inspections, and mediation of disputes in the construction sector.

Construction managerProject 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.

ArchitectReal estate project developmentClient representation and overall managementOverall planning and architecture

Inauen & Inauen AG

Since 1972 · 11–20 empl.

Inauen & Inauen AG advises clients on infrastructure projects and the maintenance of infrastructure. Its services include project coordination, maintenance planning and sustainability management, as well as consulting for SMEs on organisation, business valuation and succession planning.

Construction managerClient 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 representationClient 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 managerConstruction site supervisionConstruction project supportConstruction advisory

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 representationRental property managementCondominium ownership managementReal estate sales

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 representationProject developmentProject management | Project supportOrganisational development

Liftberatung UP GmbH

Since 2015 · 1–10 empl.

Liftberatung UP GmbH is an independent, manufacturer-neutral consultancy for lift and elevator systems. It provides advice and expert assessments, plans new-build and modernisation projects, supports their implementation, and assists with tenders, portfolio management and maintenance contracts.

EngineerConsulting 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 managerConstruction managementClient representationOverall management and construction management

Apfeltec GmbH

Since 2017 · 1–10 empl.

Apfeltec GmbH provides building automation services, from planning and control to monitoring. The company also develops consistent labeling systems for building plans and technical equipment.

Owner's representationClient representationLabelling concept

Schüssler GmbH

Since 2019 · 1–10 empl.

Schüssler GmbH provides services under the name Baubewusst in construction planning, construction management and independent construction consultancy. It supports new-build, conversion and renovation projects with architectural and fire-safety planning, cost and schedule planning, tendering, site management, client representation and building biology advice.

Owner's representationClient 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 representationHeatingSanitary 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 contractorConstruction 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 representationClient 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 architecture and energy-planning practice. It designs and delivers building projects, works on renovations, conversions and new builds, and provides building energy assessments and energy concepts.

ArchitectArchitectural 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)

IBC Innova Baumanagement & Consulting AG works as a project developer and client representative. It takes responsibility for construction projects from concept development through handover, including new builds, conversions and renovations.

General contractorIntegrated 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 representationClient representationProject developmentConcept studies and advisory services

ienco ag

Since 2013 · 1–10 empl.5.0(1)

ienco ag provides client advisory and representation, construction management, and architectural and general planning services for new builds, conversions, renovations, and extensions. It also offers fire safety planning.

ArchitectArchitectureConstruction 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 managerConstruction managementProperty management

1A BAULEITUNGEN Peter Gerschwiler

Since 2010 · 1–10 empl.1.0(1)

1A BAULEITUNGEN Peter Gerschwiler provides project and construction planning, advice and representation for building owners, and site management for new builds, conversions and renovations. Its services also include quality monitoring, tender documentation, building analyses and buyer support during inspections and handovers.

Owner's representationClient 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 managerReal 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.

ArchitectArchitectural and Planning ServicesConstruction ManagementClient Representation

Bauregie Baumanagement GmbH, Zweigniederlassung Arbon

Since 2026 · 1–10 empl.

Bauregie Baumanagement GmbH, Zweigniederlassung Arbon provides construction and project management services. Its work includes advising and representing building owners, cost estimates, tendering, construction cost control, and schedule, quality and defect management.

EngineerConstruction and project managementClient advisory and client representationConstruction cost and tender management

Mierzwa Bauberatung

Since 2025 · 1–10 empl.

Mierzwa Bauberatung provides personal advice and support to building clients and property owners.

Construction managerConstruction 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 representationReal estate developmentMultifamily property holdingProperty project development

No score yet

StepIN Concept GmbH

Since 2025 · 1–10 empl.

StepIN Concept GmbH supports construction projects with interior and operational concepts, space-use planning and furnishing plans. Its services include analysing user requirements and processes, preparing planning documents, representing users and, for smaller projects, providing support through implementation.

ArchitectSpace 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 representation

No score yet IO

Immobilien Ostschweiz AG

Since 1998 · 1–10 empl.

Owner's representation

No score yet IF

Institut für Gutachten, Expertisen und Engineering ae GmbH

Since 2007 · 1–10 empl.