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Adrett Treuhand, Leyla Güler Yücesan 

Winterthur · Since 2016

The core activity of Adrett Treuhand is the provision of trust and accounting services for companies and private individuals. This includes in particular: Tax services (preparation of tax returns, tax optimization, review of tax assessments and tax invoices), Accounting (management of financial accounting, accounts receivable and accounts payable, payment transactions), Payroll accounting (management of payroll accounting, preparation of payroll, social insurance and withholding tax statements), Personnel administration (notifications to social insurance, preparation of payroll certificates), Preparation of annual and interim financial statements as well as VAT returns.

AGI AG für Isolierungen, Zweigniederlassung Winterthur 

Winterthur · Since 1991

AGI AG für Isolierungen, Zweigniederlassung Winterthur provides services in technical insulation and structural fire protection. Offerings include consulting and planning, BIM planning, product management and trade (including aerogel and vacuum insulation), project realization (insulation, fire protection, ductwork and metal fabrication) and maintenance.

AKSIS Service GmbH 

Winterthur · Since 2017

The core activity of AKSIS Service GmbH is the provision of cleaning services of all kinds, including private cleaning in households, window cleaning and janitorial services.

Architekten Kollektiv AG 

Winterthur · Since 2001

The company 'Architekten-Kollektiv' is an architectural firm specializing in the planning and realization of construction projects. The core activities include the creation of designs, plans and construction management for various types of buildings and facilities, such as residential houses, public buildings, sacred buildings, monuments and other structures. The company also offers services in the areas of monument preservation, competitions and publications.

ARConnect GmbH 

Winterthur · Since 2018

The company ARConnectING provides engineering and marketing services, including offshore engineering, design and plant engineering, mechanics, product development, prototype development, jig construction, procurement, corporate identity (CI), search engine marketing (SEM), search engine optimization (SEO), social media marketing (SMM) and web design. The company's core activity is the creation of customized solutions for customers in the fields of engineering and marketing.

ArON Services 244 GmbH 

Winterthur · Since 2021

The core activity of ArON Services 244 GmbH is the planning, commissioning, maintenance and repair of ventilation systems, as well as the associated consulting and documentation.

Art of Work Personalberatung AG 

Winterthur · Since 2008

Art of Work Personalberatung AG is a recruitment and staffing firm that connects employers with candidates. It specialises in office/business administration, IT and engineering roles and provides permanent placement, temporary staffing, headhunting, candidate search and application coaching.

A. Saesseli & Co AG 

Winterthur · Since 1950

A. Saesseli & Co AG is an electrical wholesaler supplying electricians, power utilities, industry and switchgear/control-panel builders with electrical products and components.

Asio Finanz AG 

Winterthur · Since 2013

The core activity of Asio Finanz AG is independent wealth management for private clients and companies, including financial planning, pension planning, asset management and pension fund consulting.

Atelier Feinschliff Tamara Benedetto Goldschmied 

Winterthur · Since 2011

The core activity of Atelier Feinschliff is the creation, repair and sale of jewelry, particularly by a goldsmith. The specific activities include: creation of jewelry pieces, galvanization, sketch design, alterations and repairs of jewelry, sale of gemstones, energetic jewelry and pearls, pearl knotting, and refreshing of jewelry pieces. The company offers these services in a studio located in Winterthur-Wülflingen.

BEAUTYCLINIC AG 

Winterthur · Since 2021

BEAUTYCLINIC AG provides aesthetic medical and cosmetic services, offering surgical and non‑surgical procedures, laser treatments, skin and hair therapies, and body‑contouring services. The practice also lists intimate aesthetic procedures, IV‑drip/longevity treatments, combined skin‑rejuvenation programs and an online shop for skincare products.

Bedac GmbH 

Winterthur · Since 2008

The core activity of Bedac GmbH is building automation, particularly the planning and implementation of automation solutions for high-rise buildings, including office buildings, hotels, schools, hospitals, shopping centers, data centers, residential buildings and industrial buildings.

Beratende Ingenieure Scherler AG 

Winterthur · Since 1992

Beratende Ingenieure Scherler AG provides engineering consultancy and technical planning services for building and infrastructure projects. Core competencies include electrical engineering, mobility, energy, automation, IT & communications, safety and fire protection, lighting and digital construction/BIM, with services such as consulting, general planning, integrated testing and certification.

Beziehungsquelle Désirée Joy Zimmerli 

Winterthur · Since 2023

The core activity of the company 'Beziehungsquelle' is the provision of psychological counseling services, particularly in the areas of individual counseling, couple counseling, and family counseling. The counseling focuses on a solution-oriented and resource-oriented approach, addressing the distressing situation in a holistic manner and considering it within a positive human image.

Bischof Grafik 

Winterthur · Since 2012

The company 'Bischof Grafik' offers graphic services and products, including logos, clothing, cards, weekly planners, sticky notes, notebooks, stickers, children's books, Christmas cards, postcards, crosswords and folding cards. It is a graphic design and printing company that provides creative solutions for various customer needs.

BOVET Bauen und Beraten GmbH 

Winterthur · Since 2016

Bovet Bauen und Beraten GmbH is a consulting and services company specializing in the areas of owner representation, construction consulting and construction execution. The company's core activity is to support and advise customers in the planning, design and realization of construction projects. This includes, among other things, the creation of concepts, the implementation of construction projects, consulting on the selection of materials and the supervision of construction execution.

Bricks Baumanagement GmbH 

Winterthur · Since 2024

The core activity of Bricks Baumanagement GmbH is professional construction project management and planning, including the implementation of feasibility analyses, tenders, construction management, quality control, cost control and client representation for private builders, companies and investors.

CARAN AG 

Winterthur · Since 2016

The core activity of CARAN AG is the development, planning, construction and marketing of residential buildings. As a general contractor and total contractor, the company offers comprehensive construction services, including project development, planning, construction and marketing of residential buildings.

Carpathia AG 

Winterthur · Since 2000

The core activity of Carpathia AG is advising and supporting companies in their digital transformation, particularly in the areas of E-Commerce and Omni-Channel. This includes the development of strategies, concepts and transformations, as well as accompanying companies in the implementation of these processes. The company also offers expertise in the areas of commerce, methodology and cultural change.

Cawi Treuhand, Brigitte Gallucci-Widmer 

Winterthur · Since 1997

Cawi Treuhand, Brigitte Gallucci-Widmer provides tax consulting, fiduciary and accounting services, inheritance advisory services, and real-estate/property management. Services include payroll administration, VAT returns, annual financial statements, company-law advice and succession planning.

CH-Gerüstbau GmbH 

Winterthur · Since 2014

The core activity of CH-Gerüstbau GmbH is scaffolding construction, particularly the planning, assembly and rental of various types of scaffolding, such as facade scaffolding, surface scaffolding, stair towers, safety nets, protective tunnels, special scaffolding, emergency roofs, freestanding scaffolding and industrial scaffolding.

Coiffeur Altstadt, Ursula Rüesch 

Winterthur · Since 2005

The core activity of Coiffeur ALTSTADT is the provision of hairdressing services, including haircuts, hair coloring and other hairstyling services.

COMsulting GmbH 

Winterthur · Since 2003

The core activity of COMsulting GmbH is the provision of services in the field of web development and IT services. This includes in particular the development of websites, webshops and individual applications as well as the planning, implementation and maintenance of networks, client/server and security solutions.

diff IT GmbH 

Winterthur · Since 2019

The core activity of diff IT GmbH is the provision of IT services, particularly in providing customized IT solutions, IT consulting and IT support for companies to promote their efficiency and growth.

Dürsteler Beratungen GmbH 

Winterthur · Since 2013

Dürsteler Beratungen GmbH provides construction management services in building construction, including cost planning, contract awarding, construction realization and site supervision for residential, educational, commercial and healthcare buildings, as well as complex renovation projects.

Dürsteler Bauplaner GmbH 

Winterthur · Since 2004

Dürsteler Bauplaner GmbH provides construction management services for building projects, including cost planning, tendering, construction supervision and general-planner responsibilities. The firm works on residential projects as well as educational, commercial and healthcare buildings and undertakes complex renovation and refurbishment projects.

EDILPLAST Bau GmbH 

Winterthur · Since 2016

EDILPLAST Bau GmbH provides joint sealing, various injection systems for walls, floors and ceilings, fire protection services, and resin (epoxy) and polyurethane poured floor coatings and surface systems for indoor and outdoor use.

Efe Transport GmbH 

Winterthur · Since 2021

The core activity of Efe Limousinen Service is the provision of luxury transportation services, specifically: airport transfers, limousine rides, city tours, sightseeing and roadshow tours, as well as transfers and rides in Switzerland and neighboring countries. The company offers a reliable, punctual and courteous service with multilingual chauffeurs and luxurious vehicles.

egger music production GmbH 

Winterthur · Since 2008

The core activity of Suburban Sound is the provision of services in the field of music production and recording, specifically as a recording studio. The company offers the opportunity to record and produce music pieces in a professional environment, specializing in the use of vintage instruments and analog recording technology.

eik-engineering ag 

Winterthur · Since 2009

The core activity of eik-engineering ag is electrical planning and specialized construction management for various types of buildings and facilities, including residential areas, office buildings, laboratories, photovoltaic systems, and others. The company provides comprehensive services in the fields of electrical engineering, building technology, and lighting technology, and works as an independent planning office in close collaboration with architects, builders, and other partners to develop and implement object-specific and needs-oriented projects.

Eisele & Partner Treuhand AG 

Winterthur · Since 1979

The company's core activity is the provision of services in the following areas: * Trust and accounting * Tax and inheritance consulting * Personnel administration and payroll accounting * Real estate management and administration * Auditing * Business consulting. The company thus offers comprehensive services for companies and private individuals in the areas of finance, taxes and law.

ergonomie & technologie (e&t) GmbH 

Winterthur · Since 2001

The core activity of the company "ergonomie & technologie (e&t) GmbH" is the provision of usability services, in particular the development of user-centered solutions and the optimization of products and systems in terms of their usability and user-friendliness.

escapenet.ch GmbH 

Winterthur · Since 2018

escapenet.ch GmbH is a full‑service web agency offering consulting, strategy, concept development, UI/UX design, digital marketing, and the development and operation of web applications and software. The company also provides hosting and support services, implements e‑commerce and cloud infrastructure solutions, and works with CMS platforms such as MODX and WordPress.

Escapenet GmbH 

Winterthur · Since 1997

Escapenet GmbH is a full-service web agency providing consulting, strategy, concept and UI/UX design, digital marketing, development of web applications and custom software. The company also offers hosting, operational services and technical support for websites and online applications.

ESCORT Energietechnik AG 

Winterthur · Since 2000

The core activity of Escort Energietechnik AG is the creation, maintenance and servicing of energy and building technology systems. The company offers a comprehensive product portfolio that includes heating, storage and solar, sanitary, electrical, tools, operating supplies, original spare parts, emission analysis devices and heat pumps. Escort Energietechnik AG acts as a contact and logistics partner, offering its customers a wide range of products and services in the field of energy and building technology.

Fraga Floor GmbH 

Winterthur · Since 2008

The core activity of Fraga Floor GmbH is the manufacture and distribution of seamless floor coverings for both decorative and industrial applications. This includes, in particular, epoxy coatings, PU coatings (polyurethane coatings) and mineral-based screed coatings. The company offers these products for various fields of application, such as the renovation of single-family homes, industrial and commercial enterprises, as well as other specific requirements.

Fürsorgestiftung der Schweizerischen Missions-Gemeinschaft 

Winterthur · Since 1969

Gebärdensprachkurse Juon 

Winterthur · Since 2006

The core activity of the company "Gebärdensprachkurse Juon" is to provide guidance and instruction in sign language courses, with the aim of teaching people sign language and promoting understanding of Deaf culture.

Gipser Meier GmbH 

Winterthur · Since 2024

Gipser Meier GmbH provides plastering and building services for private and commercial clients, focusing on plastering, insulation, renovation of older buildings, remodeling, and stucco and painting work.

G + L AG 

Winterthur · Since 1984

The core activity of G+L AG is CNC manufacturing and apparatus construction, particularly contract manufacturing of prototypes, small and large series. The activities include: CNC turning, milling and drilling, conventional turning, milling and drilling, welding, soldering and general locksmith work, punching, bending, folding and shearing of sheets, and pressing. The company thus offers a wide range of manufacturing services for metal processing.

Graf Biscioni Architekten AG 

Winterthur · Since 2004

The core activity of Graf Biscioni Architekten AG is the planning and realization of construction projects, particularly in the area of residential and commercial buildings, schools, sports halls, nursing homes and other public buildings. The company provides architectural services, from planning to execution of construction projects, and has specialized in the implementation of complex construction projects in Switzerland.

Haathee KLG 

Winterthur · Since 2021

Haathee KLG provides wedding photography and videography services, offering full-day and half-day photo and film packages that include highlight films, ceremony coverage, teasers, and edited high-resolution photographs. The team produces highlight and same-day videos and specifies delivery timelines for photo and film products; Haathee KLG received the Viewers Award at the Zurich Film Festival.

Heber.Link.Asendorf AG 

Winterthur · Since 2009

The company's core activity is the creation and implementation of marketing communication plans for customers from various industries. This includes conception, analysis, selection of suitable means and media, graphics, copywriting, production and cost control. The company also offers specific services such as promotion, merchandising, trade fair and event organization, logistics and digital solutions. It positions itself as a full-service agency that covers all aspects of marketing communication.

Hermann und Lüthi AG 

Winterthur · Since 1993

The core activity of Hermann and Lüthi AG is carpentry, particularly the manufacture and installation of furniture, cabinets, kitchens, doors, bathroom furniture and other wood products. The company also offers services such as interior finishing, repairs and restoration of wood objects. Additionally, it performs CNC contract work.

Herz für Kinder - Schweiz 

Winterthur · Since 2008

Herz für Kinder - Schweiz is a Swiss aid organisation that supports socially disadvantaged children and child-care institutions. The association provides food, medicines, beds and clothing, funds medical and therapeutic treatments, and runs projects such as food packages, an emergency fund and winter relief in western Ukraine in cooperation with local staff and church communities.

IMPERU AG 

Winterthur · Since 2024

The core activity of IMPERU AG is the execution of construction projects, including total contracting, general planning, general contracting, construction management and craft services such as plastering, painting, façades, flooring and building drying. The company provides comprehensive services for residential construction projects, commercial buildings, office buildings, renovations and modernizations of existing properties.

INCA Maschinen GmbH 

Winterthur · Since 2019

The core activity of INCA Maschinen GmbH is the sale, maintenance, repair and distribution of spare parts for woodworking machines, particularly for INCA machines. The company also offers used machines, additional equipment and accessories, and carries out repairs and conversions of machines. Furthermore, it provides consulting, service and installation of dust extraction systems.

IntegraVista GmbH 

Winterthur · Since 2024

IntegraVista GmbH is an educational provider offering the “JumpStart” programme to prepare youth and young adults for vocational training (EFZ/EBA), integration pre-apprenticeships or a vocational preparatory year. Services include small classes, individual coaching, job‑oriented projects and instruction in German, mathematics, IT, general education and vocational subjects.

Isler + Kägi AG Bedachungen 

Winterthur · Since 2016

The core activity of Isler + Kägi AG is the planning, execution and management of roofing work, including the construction of pitched roofs, flat roofs and photovoltaic systems.

isodicht GmbH 

Winterthur · Since 2011

The core activity of Isodicht GmbH is the provision of services in the field of building sealing, particularly in the following specific areas: joint sealing, fire stopping, Combiflex sealing, vapour and water membranes, and concrete injections. The company offers consulting, planning and execution of sealing solutions for new buildings, renovations and restorations to prevent damage from moisture, water and fire and to ensure the tightness of buildings.