Architect in
Winterthur

187 companies in Architect based in Winterthur — name and year of registration from the commercial register.

Companies

50 of 187 companies

NIKOLLA ARCHITEKTEN GMBH Logo

NIKOLLA ARCHITEKTEN GMBH

Since 2015 · 1–10 empl.5.0(29)

The core activity of Nikolla Architekten GmbH is the provision of architectural services.

ArchitectArchitectural services
ranQ Trust Score 4.4 out of 5.0, rated Very high, Rank #1
Büro Schoch Werkhaus AG Logo

Büro Schoch Werkhaus AG

Since 2005 · 21–50 empl.4.1(30)

Büro Schoch Werkhaus AG plans and designs office environments and interiors for businesses. Its services include office furniture and fittings, lighting, audiovisual technology, and maintenance, repair and business relocation services.

ArchitectWorkplace & Interior DesignNew WorkOffice Furnishings
ranQ Trust Score 4.4 out of 5.0, rated Very high, Rank #2
Isler Architekten AG Logo

Isler Architekten AG

Since 2003 · 11–20 empl.5.0(18)

The core activity of Isler Architekten AG is the planning and realization of construction projects, particularly in the areas of residential, school and sports buildings, as well as the renovation of existing building stock. The company provides architectural services for private and public clients and also assumes specialized planning tasks.

ArchitectArchitectural planning and deliveryRenovation and conversionResidential construction
ranQ Trust Score 4.4 out of 5.0, rated Very high, Rank #3
Baumgartner Partner Architekten AG Logo

Baumgartner Partner Architekten AG

Since 2009 · 21–50 empl.4.9(12)

Baumgartner Partner Architekten AG provides architectural planning and consulting services for building projects. Its services include development studies, preliminary and construction design, work and detail planning, tendering and construction management; the firm also undertakes general-contractor roles (promotion and project realization) and offers property trust services such as client advisory, building valuations and analyses, damage assessments, and property sales and management.

ArchitectArchitectureTotal contractorConstruction agency
ranQ Trust Score 4.3 out of 5.0, rated Very high, Rank #4
Architektengruppe 4 GmbH Logo

Architektengruppe 4 GmbH

Since 1994 · 11–20 empl.5.0(6)

Architektengruppe 4 GmbH provides architectural planning and project design services for residential and public buildings, including single-family houses, multi-family housing, settlements and conversions. Its specialist areas include interior architecture, monument preservation, lighting design, energy solutions (Minergie) and consulting.

ArchitectArchitectureMinergie specialist planningInterior design
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #5
Architektengruppe 4 Planung GmbH Logo

Architektengruppe 4 Planung GmbH

Since 1994 · 11–20 empl.5.0(6)

Architektengruppe 4 Planung GmbH is an architectural firm providing planning and delivery of single-family and multi-family houses, housing developments, public buildings and conversion projects. The practice also provides specialist services in energy (Minergie), heritage conservation, interior architecture, lighting design and consultancy.

ArchitectArchitectureSpecialised areas
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #6
Liggenstorfer Architekten AG Logo

Liggenstorfer Architekten AG

Since 2015 · 1–10 empl.5.0(11)

The core activity of Liggenstorfer Architekten AG is the provision of architectural services, particularly in the area of renovation and new construction of buildings, including planning, design and construction management.

ArchitectArchitectural services for residential, industrial and commercial buildingsFeasibility studies and realisation assessmentsExecution planning and site management
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #7
Bellwald Architekten AG Logo

Bellwald Architekten AG

Since 2007 · 11–20 empl.5.0(7)

The company Bellwald Architekten AG is primarily engaged in architecture and construction. The core activity includes the planning, execution and renovation of buildings, apartments, office buildings, public facilities and other real estate. The company offers services such as project development, construction management and supervision, as well as the creation of plans and concepts for various construction projects.

ArchitectArchitectural PlanningDesign Competition PlanningProject Development and Feasibility Planning
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #8
Gabathuler + Partner Architekten AG Logo

Gabathuler + Partner Architekten AG

Since 2008 · 11–20 empl.4.8(8)

Gabathuler + Partner Architekten AG is an architectural firm that designs and oversees residential and commercial building projects. Its services include feasibility studies, project and execution planning, and renovation or alteration works.

ArchitectArchitectural services
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #9
Marazzi Reinhardt GmbH Logo

Marazzi Reinhardt GmbH

Since 2004 · 11–20 empl.5.0(5)

Marazzi Reinhardt GmbH is an architectural firm (Architekten SIA BSA) providing design, planning and project support services. The practice works on residential buildings, renovations and extensions as well as occasional public and exhibition projects, with an emphasis on contextual response, materials and constructive clarity.

ArchitectArchitectural servicesBuilding on existing propertiesNew-build residential buildings
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #10
Diagonal Architekten AG Logo

Diagonal Architekten AG

Since 2006 · 21–50 empl.5.0(2)

Diagonal Architekten AG is an architectural firm specializing in the planning and realization of construction projects. The company's core activity includes the creation of architectural and building plans, the conduct of competitions, project development, and construction management. The company works on various projects, including residential buildings, schools, healthcare buildings, commercial buildings, and public buildings.

ArchitectArchitectural services for residential buildingsArchitectural services for educational buildingsArchitectural services for healthcare buildings
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #11
Krebs und Herde GmbH Logo

Krebs und Herde GmbH

Since 1994 · 11–20 empl.5.0(3)

The core activity of Krebs und Herde Landschaftsarchitekten is the planning and design of landscape and open space projects, including the development of parks, gardens, squares and other public spaces, taking into account ecological, social and aesthetic aspects.

ArchitectLandscape architecturePark and green space designCompetition and study commissions
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #12
Zettelwerk AG Logo

Zettelwerk AG

Since 2013 · 11–20 empl.4.3(6)

The core activity of Zettelwerk AG is construction management, particularly the planning, consulting and implementation of complex construction projects in the areas of high-rise buildings, retail, temporary and office buildings. This also includes specific services such as architecture, energy consulting, fire protection planning, monument preservation and protection, as well as visualizations and project visualization.

ArchitectProject developmentArchitectureConstruction management
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #13
Brack Architektur GmbH Logo

Brack Architektur GmbH

Since 2018 · 11–20 empl.5.0(7)

Brack Architektur GmbH is an architecture practice that plans conversions, new buildings and extensions. Its projects also include heritage work, energy-efficient renovations, colour consulting and kitchen planning.

ArchitectArchitectural servicesHistoric monument preservationEnergy-efficient renovation and sustainability
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #14
SG

SW Group GmbH

Since 2020 · 1–10 empl.5.0(19)

The core activity of SW Group is the provision of comprehensive construction services, including planning, execution and completion of construction projects, for property managers, architects, construction companies, business and private customers in Switzerland. This includes, among other things, the coordination of trades, process optimization, the execution of renovations and new buildings, as well as the provision of services in the area of project development and implementation.

Architect
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #15
Semalit Landschaftsarchitektur AG Logo

Semalit Landschaftsarchitektur AG

Since 1991 · 1–10 empl.

Semalit Landschaftsarchitektur AG provides planning and implementation services in landscape architecture, civil engineering and settlement drainage. Services include design of outdoor spaces for residential developments, commercial and public buildings, as well as construction and cost management.

ArchitectLandscape architectureUrban drainage
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #16
Keller Modellbau Logo

Keller Modellbau

Since 1992 · 1–10 empl.

Keller Modellbau produces architectural and presentation models, including competition models, site models, sales/display models, interior models and façade models. The workshop also provides CNC milling services, processing DWG/DXF files and working with plastic and wood panels.

ArchitectArchitectural modelsCNC milling and engraving
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #17
Lienhard & Uetz, dipl. Architekten Logo

Lienhard & Uetz, dipl. Architekten

Since 1992 · 1–10 empl.

Lienhard & Uetz, dipl. Architekten is an architecture practice working on buildings and renovations. Its portfolio includes residential houses, apartment buildings and a parish community centre.

ArchitectArchitectural servicesNew-build of residential and multi-family housesConversions and extensions
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #18
Rothen Architektur GmbH Logo

Rothen Architektur GmbH

Since 1995 · 1–10 empl.

The core activity of Rothen Architektur GmbH is the planning and realization of architectural projects, including new buildings, renovations and conversions of residential and non-residential buildings, as well as the creation of architectural guides.

ArchitectArchitectureHousing constructionSite development
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #19
Team Landschaftsarchitekten Walter + Partner GmbH Logo

Team Landschaftsarchitekten Walter + Partner GmbH

Since 1997 · 1–10 empl.

The core activity of the company 'Team Landschaftsarchitekten Walter + Partner GmbH' is the planning, conception and realization of living spaces through landscape architecture, settlement development, landscape design, local image and garden monument preservation.

ArchitectLandscape architecture
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #20
Fuerte AG Logo

Fuerte AG

Since 2000 · 11–20 empl.

The core activity of Fuerte ag encompasses the provision of construction services, particularly in the areas of architecture, property management and sales, project development, property valuations, feasibility studies and condition analyses.

ArchitectArchitectureProperty management and salesProperty development
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #21
haltiner & ARCHITEKTUR AG Logo

haltiner & ARCHITEKTUR AG

Since 2001 · 1–10 empl.

haltiner & ARCHITEKTUR AG is an architectural practice offering design, planning and consulting services for new-builds, renovations and conversions. Services include work on residential and commercial projects, competition entries and advice on handling existing building fabric and spatial organisation.

ArchitectArchitectural planningConsultingParticipation in competitions
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #22
Kohler Partner Architektur GmbH Logo

Kohler Partner Architektur GmbH

Since 2001 · 1–10 empl.

Kohler Partner Architektur GmbH is an architecture firm that provides planning and architectural services. The website presents projects and information about architecture and building design.

ArchitectArchitectureRenovationsConversions
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #23
Kälin Architektur AG Logo

Kälin Architektur AG

Since 2003 · 1–10 empl.

The core activity of Kälin Architektur AG is the provision of architectural services, including personal consulting and support for customers in the planning and implementation of construction projects.

ArchitectArchitectural services
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #24
coon architektur GmbH Logo

coon architektur GmbH

Since 2003 · 11–20 empl.

The core activity of Coon Architektur GmbH is the planning and realization of architectural projects, particularly in the area of residential and commercial buildings, schools, kindergartens and other public buildings. The company offers services such as architecture, planning, renovation, refurbishment and extension.

ArchitectProject developmentStudy mandates and competitionsProject design
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #25
PF Architektur GmbH Logo

PF Architektur GmbH

Since 2004 · 1–10 empl.

PF Architektur GmbH plans, builds and renovates single-family homes, apartment buildings, public buildings and commercial properties. Its services include client-side construction advisory and advice on energy-efficient building, energy-related renovations and Minergie standards.

ArchitectArchitectural planningBuilding owner advisoryEnergy consulting and energy-efficient renovations
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #26
konzeptS AG Logo

konzeptS AG

Since 2005 · 11–20 empl.

The company conceptS AG is an architectural firm specializing in the planning and realization of construction projects. The core activities include the areas of new construction, monument preservation, timber construction, interior architecture, renovation and refurbishment, as well as special living spaces. The company also offers services in the areas of digital project management, Building Information Modeling (BIM), and sustainable architecture.

ArchitectArchitectural projects and plansSustainable architectureDigital project management processes
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #27
CHACLAN ARCHITEKTUR Logo

CHACLAN ARCHITEKTUR

Since 2006 · 1–10 empl.

CHACLAN ARCHITEKTUR is an architecture and design studio offering architecture, interior architecture, gastronomy planning and design services. The practice develops concepts and project planning for restaurant, residential and commercial projects and provides planning and design supervision.

ArchitectArchitectureInterior DesignGastro Planning
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #28
bsw architekten gmbh Logo

bsw architekten gmbh

Since 2007 · 1–10 empl.

The core activity of bsw architekten is the provision of architectural services, including monument preservation, building physics and design, as well as coaching services in the field of architecture.

ArchitectArchitectureHeritage conservationBuilding physics
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #29
RWPA GmbH Logo

RWPA GmbH

Since 2008 · 11–20 empl.

The core activity of RWPA is architecture, specifically the planning and realization of buildings and construction projects, such as school buildings, gymnasiums, kindergartens, residential estates and other structures.

ArchitectArchitectural servicesGeneral planning mandatesOpen space planning
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #30
RB Bauplanung GmbH Logo

RB Bauplanung GmbH

Since 2010 · 1–10 empl.

The core activity of Bosshard Architekten GmbH (now RB Bauplanung GmbH) is the planning and realization of renovation and new construction projects, particularly for multi-family homes, taking into account economic and ecological aspects. This also includes services such as construction management, architecture and consulting.

ArchitectOverall planning and construction managementRenovation and new buildModernisation and refurbishment of multi-family houses
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #31
abp Architekten GmbH Logo

abp Architekten GmbH

Since 2011 · 1–10 empl.

The core activity of abp Architekten GmbH is the planning and realization of construction projects, including architecture, construction management and project management. The company offers services such as new construction, renovation, reconstruction and extension of single-family homes, multi-family homes, public buildings and other properties.

ArchitectArchitectural servicesConstruction supervisionProject management
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #32
KilgaPopp Architekten AG Logo

KilgaPopp Architekten AG

Since 2011 · 1–10 empl.

The core activity of KilgaPopp Architekten is the provision of architectural services.

ArchitectArchitectureCompetitions and studiesPublications
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #33
Bundi Architekten AG Logo

Bundi Architekten AG

Since 2011 · 1–10 empl.

Bundi Architekten AG provides architectural and planning services for residential buildings, new builds, conversions, extensions and renovations. Its services include design, execution planning, tendering and contract awards, schedule and cost management, construction supervision, building condition assessments and thermal insulation documentation.

ArchitectArchitectural servicesProject support from feasibility study to final billingResidential construction and single-family houses
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #34
esw Architekten AG Logo

esw Architekten AG

Since 2011 · 1–10 empl.

The core activity of the company "BEP Architekten" is the provision of architectural services.

ArchitectArchitectural services
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #35
Fabian Sträuli Architektur, dipl. Arch. FH Logo

Fabian Sträuli Architektur, dipl. Arch. FH

Since 2011 · 1–10 empl.

The core activity of Fabian Sträuli Architektur is the provision of architectural services.

ArchitectArchitecture services
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #36
MIRRA ARCHITEKTEN AG Logo

MIRRA ARCHITEKTEN AG

Since 2011 · 1–10 empl.

The core activity of the company MIRRA M I R R A MIRRA ARCHITEKTEN AG KUBIKWERK AG is architecture.

ArchitectArchitectural servicesProject development for residential buildingsProject development for educational buildings
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #37
Heinrich Landschaftsarchitektur GmbH Logo

Heinrich Landschaftsarchitektur GmbH

Since 2013 · 1–10 empl.

The company is an architecture and planning firm specializing in the planning and realization of various construction projects, including schools, residential buildings, commercial buildings, recreational facilities, parks, and public spaces. The company's core activity includes conducting competitions, feasibility studies, master plans, test plans, and the realization of construction projects in various phases, from planning to completion.

ArchitectLandscape architectureOpen-space studies and urban open-space conceptsPlanning public open spaces
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #38
Elias Leimbacher Architektur GmbH Logo

Elias Leimbacher Architektur GmbH

Since 2013 · 1–10 empl.

The core activity of Elias Leimbacher Architektur is the planning and realization of architectural projects, particularly new buildings and renovations of residential and commercial buildings, as well as the development of urban planning concepts and design plans.

ArchitectNew constructionConversion
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #39
i3 architekten ag Logo

i3 architekten ag

Since 2013 · 1–10 empl.

i3 architekten ag is an architectural firm providing services for residential, commercial and school buildings. The company handles project planning, execution planning and overall building services for new construction, conversions and renovations.

ArchitectArchitectural services
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #40
3DKraftWerk GmbH Logo

3DKraftWerk GmbH

Since 2013 · 1–10 empl.

3DKraftWerk GmbH is an architecture and visualisation studio specialising in 3D imagery for architecture and property marketing. Its services include 360° panoramas, virtual apartment tours, architectural animations, virtual reality, sales materials, web design, and photography and drone imagery.

ArchitectArchitectural visualisationProperty marketingDrone photography
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #41
Orlando + Klossner Architektur AG Logo

Orlando + Klossner Architektur AG

Since 2013 · 1–10 empl.

Orlando + Klossner Architektur AG operates an architecture and planning practice. In dialogue with clients, the practice develops tailored solutions for new buildings and renovations, coordinating design, costs and use.

ArchitectNew constructionConversion and renovationArchitectural planning
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #42
Bertram Bihler Gestaltung Planung Projektleitung GmbH Logo

Bertram Bihler Gestaltung Planung Projektleitung GmbH

Since 2014 · 1–10 empl.

The company Bertram Bihler Gestaltung Planung Projektleitung GmbH primarily focuses on interior architecture, design, planning and project management of renovations, refurbishments and redesigns of office and living spaces, as well as public and private buildings.

Event agencyInterior DesignProject Management and Construction Supervision
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #43
Atelier Piero Bühler GmbH Logo

Atelier Piero Bühler GmbH

Since 2015 · 1–10 empl.

The core activity of Atelier Piero Bühler is the planning and design of buildings and spaces with a focus on sustainability, ecology and social responsibility. The company offers architectural and urban planning services, including new construction, renovation and refurbishment of residential buildings, public buildings and administrative buildings.

ArchitectArchitecture
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #44
i3 architekten ag winterthur Logo

i3 architekten ag winterthur

Since 2015 · 1–10 empl.

i3 architekten ag winterthur is an architecture practice that plans and delivers residential, commercial and school buildings. Its work includes new construction, alterations and renovations, as well as project, execution and detailed planning.

ArchitectArchitectural servicesSite supervision and overall services
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #45
Chervaz Architekten GmbH Logo

Chervaz Architekten GmbH

Since 2015 · 1–10 empl.

Chervaz Architekten GmbH is an architecture practice working on conversions, renovations and extensions of residential and commercial buildings. Its projects also include interior fit-outs and neighbourhood planning.

ArchitectArchitectural planningRenovation and refurbishmentExtensions and expansions
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #46
Architekturbüro Hannes Moos GmbH Logo

Architekturbüro Hannes Moos GmbH

Since 2015 · 11–20 empl.

The company's core activity is the provision of architectural services.

ArchitectArchitectural planningProject owner supportConversions and renovations
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #47
Cristina Rutz Architekten GmbH Logo

Cristina Rutz Architekten GmbH

Since 2015 · 11–20 empl.

The core activity of Cristina Rutz Architekten is the planning, design and realization of architectural projects, particularly in the area of single-family homes, residential buildings, renovations and restorations, as well as conducting feasibility studies and board work in the Forum Architektur Winterthur.

ArchitectNew constructionRenovationsMaintenance and refurbishment
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #48
MAX Architekten AG Logo

MAX Architekten AG

Since 2016 · 1–10 empl.

The core activity of MAX Architekten AG is the provision of architectural and construction management services.

ArchitectArchitecture and construction managementNew-build projectsAlterations and renovations
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #49
InnOffice GmbH Logo

InnOffice GmbH

Since 2016 · 1–10 empl.

The core activity of Innoffice GmbH is the conception, planning and implementation of innovative office and work environments, including interior design, workspace concepts, owner consulting and representation, as well as project management of construction projects.

ArchitectInterior designWorkplace conceptsClient advisory/representation
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #50

Architect in Winterthur

187ArchitectCommercial register (Zefix) · as of November 5, 2026
2014Median year of registrationCommercial register (Zefix) · as of November 5, 2026
2,820in the Canton of ZurichCommercial register (Zefix) · as of November 5, 2026
12,631in SwitzerlandCommercial register (Zefix) · as of November 5, 2026
Locations

Architect in the region

Point size by number of companies per place.

Source: commercial register (Zefix) · as of November 5, 2026