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Wenger Automation & Engineering AG 

Winterthur · Since 1996

The core activity of Wenger Automation & Engineering AG is the development and implementation of automated overall solutions for the manufacturing industry, particularly in the field of machine automation. The company offers turnkey production lines, upgrades and conversions, and develops innovative solutions such as modular stacking cells (WeStack) and flexible automation cells (WeFlex) for the production of small and large series.

Wirkplatz Wissmann 

Winterthur · Since 2017

The core activity of Wirkplatz Wissmann is the integration and accompaniment of people with illnesses, injuries or disabilities into a satisfactory employment relationship. This includes services such as case management, job retention, corporate consulting, job placement, job coaching and counseling and accompaniment. The company supports employees and employers in coping with complex situations and helps to structure the recovery process and facilitate the return to work.

Wolf Bausysteme AG 

Winterthur · Since 1992

The core activity of Wolf Bausysteme AG is the planning, installation and maintenance of floor coverings, in particular raised floors, hollow floor systems, carpet, linoleum, PVC, rubber, parquet and other floor coverings, as well as the execution of special works such as steel frame, switchgear and grating installations, raised floor recycling, floor box, revision opening, ventilation and accessory installations, as well as the manufacture and installation of stairs and ramps.

Wominanz by Mandy Schreier 

Winterthur · Since 2021

The company's core activity is consulting and brokering financial services, particularly in the areas of retirement planning, wealth accumulation, investments, tax optimization, and financing of home ownership. The company also offers personal pension and insurance strategies for companies, self-employed individuals, and private individuals. Entrepreneur and mentor Mandy Schreier also provides keynotes, specialist lectures, and workshops on topics such as financial education, independence, and future security.

Wunderle Balmelli GEKO Holzbau GmbH 

Winterthur · Since 2016

Wunderle Balmelli GEKO Holzbau GmbH provides carpentry, wooden flooring, ecological insulation and renovation services related to timber construction.

Zbinden Beratung & Coaching GmbH 

Winterthur · Since 2021

Zbinden Beratung & Coaching GmbH provides career- and study-related counselling and coaching services. Offerings include study-choice counselling, career planning and transition support, coaching for workplace issues, potential analysis, CV/application review, workshops and job-search assistance.

ZFK Zentrum für kleine Kinder GmbH 

Winterthur · Since 1997

ZFK Zentrum für kleine Kinder GmbH is a speech therapy practice providing assessment, therapy and consultation services for children before kindergarten entry. The website lists therapy sessions, developmental assessments (Standortbestimmung) and consultation hours, including online consultation options.

1A Elektrokontrollen GmbH 

Winterthur · Since 2023

1A Elektrokontrollen GmbH performs periodic and independent electrical inspections, acceptance and final checks, and issues safety certificates and test reports. Services include photovoltaic system acceptance, Pronovo certifications up to 100 kWp, inspection of electric vehicle charging stations, appliance testing and thermographic measurements, plus coordination with electricians and support for owners, managers and companies.

actively GmbH 

Winterthur · Since 2015

The company actively GmbH primarily deals with services in the field of People Management (HR) and accompanies organizations through change processes. The core activities include, among other things, supporting companies in reinventing their HR teams, promoting a healthy work-life balance, interim management, projects in the field of People Management, and accompanying companies through demanding change processes.

Adaptive Traffic Control AG 

Winterthur · Since 1995

Adéle Koller-Knüsli-Stiftung 

Winterthur · Since 1927

The core activity of the Adele Koller-Knüsli Foundation is the promotion of social projects and institutions in the Winterthur area, in particular through the provision of contributions and donations to individuals and organizations active in the Winterthur area.

A&E Gipsergeschäft GmbH 

Winterthur · Since 2016

The core activity of A&E Gipsergeschäft GmbH is the execution of plastering work, drywall construction and thermal insulation for new buildings and renovations. This includes in particular: exterior thermal insulation, fire protection measures, ceiling claddings, lightweight walls, plastering work (e.g. plastering work in interior areas) and painting work (e.g. exterior painting for facades). The company also offers consulting, planning and execution of construction projects and places emphasis on meeting the highest quality standards.

AGROLA AG 

Winterthur · Since 1967

The core activity of AGROLA includes the provision of energy products and services, in particular: * Sale of diesel, heating oil and other fuels * Installation and operation of petrol stations and charging stations for electric mobility * Distribution of wood pellets as a renewable energy source * Provision of services such as tank cleaning, ash disposal and warehouse monitoring * Sale of electricity and solar energy solutions * Development and operation of hydrogen technology and filling stations. The company positions itself as a comprehensive energy provider with a broad portfolio of products and services for private and business customers.

Agro-Office AG 

Winterthur · Since 1992

The company's core activity is the development, maintenance and provision of software solutions for financial accounting, particularly for agricultural businesses and SMEs, including features such as e-banking, invoicing, account reconciliation and payroll accounting.

AICHINGER SCHWEIZ GmbH 

Winterthur · Since 2013

AICHINGER SCHWEIZ GmbH provides shopfitting and retail furnishing services with a focus on refrigerated display furniture and fresh‑food presentation. The company offers consulting, design and project planning, manufacturing, construction coordination and service, and supplies products such as the SIRIUS® range and the ECOplus energy‑efficient line.

Allgemeine Plakatgesellschaft AG, Zweigniederlassung in Winterthur 

Winterthur · Since 1999

Allgemeine Plakatgesellschaft AG, Zweigniederlassung in Winterthur markets poster and digital out-of-home advertising spaces and provides services for planning and booking outdoor advertising campaigns. The branch offers online tools such as a product finder and booking platform and manages advertising spaces on behalf of property owners.

AM Media AG 

Winterthur · Since 2012

AM Media AG is a digital and advertising agency providing brand development, advertising, web development, e‑commerce and performance marketing services. Its offering includes strategy, design, content production, SEO/SEM, analytics and AI-based solutions for process and marketing automation.

Anlagestiftung Winterthur für Personalvorsorge (AWI) 

Winterthur · Since 1984

The company's core activity is the management of investment groups for pension funds and the selection and monitoring of asset managers on behalf of these investors. The company offers various investment solutions, including real estate and indexed investment groups, and supports its investors in implementing their investment strategies.

Aquilegia Im Garten Zuhause GmbH 

Winterthur · Since 2014

The company operates a plant center, offering plants and garden specialties. It also provides services in the field of garden design.

Arthur Weber AG, Zweigniederlassung Winterthur 

Winterthur · Since 2018

Arthur Weber AG, Zweigniederlassung Winterthur is a service and trading company offering a broad range of construction products and services. Its business areas include building technology, steel services, building services, supply systems, energy technology and metal roofing/roof sheet work; the branch also operates an online shop and provides delivery and emergency services.