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Optic Vontobel 

Winterthur · Since 2010

The core activity of Optic Vontobel is the manufacture and sale of glasses, contact lenses and other optical products, as well as the consulting and support of customers regarding their visual needs. The company offers various services, such as the adaptation of spectacle lenses, advice on the selection of sunglasses and the production of safety glasses.

Optimo Service AG 

Winterthur · Since 2007

The company's core activity is the provision of logistics services, including: International transport, National transport, Warehouse logistics, Packaging services, Solutions for special customer requirements. The company thus offers a wide range of logistics services to meet the needs of its customers.

Osis Gartengestaltung Inh. Osmani 

Winterthur · Since 2019

The core activity of Osi's Gartengestaltung is the provision of services in the field of gardening, garden design and garden maintenance. This includes in particular: gardening, planning and consulting, garden redesign, lawn and turf laying, and garden maintenance. The company offers these services individually according to the customers' ideas and wishes, and places value on professional and clean work as well as on open and partnership-based relationships with its customers.

Parkettboden Oberi GmbH 

Winterthur · Since 2024

The company's core activity is the provision of services in the field of parquet and wooden floors, including: installation of parquet floors, renovation of parquet floors, maintenance of parquet floors (e.g. sanding, sealing, re-oiling), installation of baseboards, installation of vinyl floors, covering of staircase steps with parquet, surface treatment of wooden floors, renovations and repairs of parquet floors, and installation of cork or solid wood floors. The company thus offers a wide range of services around parquet and wooden floors to provide customers with individual solutions for their floor coverings.

Pensionskasse der Stadt Winterthur 

Winterthur · Since 2014

The company's core activity is the management of assets, particularly in the area of pension funds, including investment strategy, investment controlling, sustainability and mortgage lending. The company also offers services such as external asset management, external consulting and central custody.

PFKK Praxis für kleine Kinder GmbH 

Winterthur · Since 2019

PFKK Praxis für kleine Kinder GmbH is a speech therapy practice focused on children before kindergarten, providing assessments, individual and group therapy, and parent consultations. Services include diagnostic evaluations, online advice, and home therapy for feeding disorders, as well as guidance for caregivers.

Pilates Anita Leuthold 

Winterthur · Since 2009

The core activity of the company "Pilates Anita Leuthold" is the provision of Pilates training services in various formats, including: * Private and duet training on Pilates equipment * Group training on the mat with various small equipment * Specialized training for pregnant women and during postpartum recovery * Training for teenagers (12-18 years) * Online training through video. The company thus offers a wide range of Pilates training options tailored to the needs of different target groups.

PipeXpert GmbH 

Winterthur · Since 2023

The core activity of PipeXpert is the execution of works related to canal maintenance, particularly the removal of drainage blockages and other associated services.

plus-IT AG 

Winterthur · Since 2003

plus-IT AG provides business intelligence services for small and medium-sized enterprises. Its offerings include BI consulting and BI‑Healthchecks, implementation and operation of solutions such as SAP BusinessObjects and SAP Analytics Cloud, IBCS-based visualization advice, packaged tools (e.g. easyBI), trainings and support.

Professional Driving AG 

Winterthur · Since 2002

The core activity of Professional Driving AG is the implementation of driving safety training and driving courses for various target groups, including private individuals, police officers and owners of specific vehicle brands such as Alfa Romeo. The courses take place partly on the Balocco Proving Ground in Italy and include various programs, such as drift training, off-road training and refresher courses. The goal of the courses is to improve vehicle control and driving safety in different situations.

provenio ag 

Winterthur · Since 2015

provenio ag provides neuropsychological assessments, psychiatric treatment and psychotherapy, and prepares psychiatric and neuropsychological expert reports for insurers and public authorities.

provenio spitex ag 

Winterthur · Since 2022

provenio spitex ag provides neuropsychological assessments, psychiatric treatment and psychotherapy, and prepares psychiatric and neuropsychological expert reports for insurers and authorities. The team applies various psychotherapeutic approaches and can provide medical (pharmacological) treatment when indicated.

René Gasser 

Winterthur · Since 2013

René Gasser is an architectural practice that provides construction management and related services, including cost planning, tendering, on-site construction supervision and smaller comprehensive design projects.

Rüeger e-concept GmbH, Zweigniederlassung Winterthur 

Winterthur · Since 2019

Rüeger e-concept GmbH, Zweigniederlassung Winterthur provides event technology, equipment rental and event services. The company designs and implements technical installations—audio, lighting, video, stage and media systems—and offers dry-hire, setup, operation and maintenance for corporate and private clients.

RUYI Fenstermontagen GmbH 

Winterthur · Since 2024

The core activity of Ruyi-Fenstermontagen is the professional installation of windows, doors and frames according to the highest quality standards, including new construction, renovation and special installations.

Sandro Scura Isolierungen 

Winterthur · Since 2019

The core activity of Scura Isolierungen is the development and application of insulation solutions for various industries, particularly for sanitary and refrigeration pipes as well as pipelines. The company offers innovative and high-quality solutions for heat and cold protection and develops optimized solutions for specific needs.

SAT Marco Bernhard 

Winterthur · Since 2000

SAT Marco Bernhard is the SAT forklift and crane operator school and is listed on the website as the contact for forklift and crane courses. The website states that forklift and crane courses are no longer conducted and provides an email contact for inquiries about lost course certificates.

Sawi Mess- u. Regeltechnik AG 

Winterthur · Since 1969

Sawi Mess- u. Regeltechnik AG provides temperature sensors and products for measurement and control technology.

Schlossphysio GmbH 

Winterthur · Since 2020

The core activity of Schlossphysio GmbH is the provision of physiotherapeutic services, in particular: Manual therapy (e.g. for pain relief, relaxation and to resolve adhesions), Respiratory therapy (e.g. to ventilate the airways, to clear mucus and to stabilize the bronchial system), Individual training (e.g. with body weight, Pezziball, Thera-Band and other small equipment), and Home treatments (i.e. physiotherapy in the practice or at the patient's home). The company thus offers a wide range of physiotherapeutic treatments to support patients in their recovery and rehabilitation.

Schmuckatelier My Line, Gabriella Heer 

Winterthur · Since 1991

The company's core activity is the manufacture and sale of jewelry, as well as consulting and customer care in this field, particularly through individual consulting at the customer's home or in the company's own atelier.

Schweizerische Fachstelle für Gebäudemanagement AG 

Winterthur · Since 2019

The core activity of the company Swiss Centre of Expertise for Real Estate Management (SFGM) consists of consulting and services related to real estate, particularly in the areas of: * Real estate valuation * Real estate consulting * Energy consulting * Construction law and construction management * Real estate law * Condition assessment and investment planning. The company acts as an independent point of contact and offers professional consulting and services for property owners and interested parties.

SEP Salz & Verdampferanlagen AG 

Winterthur · Since 2008

The core activity of SEP Salt & Evaporation Plants Ltd is the development and implementation of technological and chemical solutions for industry, particularly in the field of salt and chemical production, water treatment and wastewater management. The company focuses on developing innovative methods and applications for existing technologies to improve the efficiency and quality of production processes while simultaneously reducing energy and resource consumption.

Solvere AG 

Winterthur · Since 1975

The core activity of Solvere AG is the development, manufacture and distribution of products for water treatment, particularly for decalcification, removal of deposits and corrosion in drinking, heating, cooling and industrial water systems. The company also offers special cleaners and decalcifiers for commercial applications, as well as products for skin protection and dosing systems.

Sportschule Winterthur GmbH 

Winterthur · Since 2023

The company's core activity is the education and promotion of young sports talents at the lower secondary level, with the aim of preparing them for professional high-performance sports. The company offers a holistic education that takes into account both the athletic and personal aspects of the students.

Sprachbüro Bühler 

Winterthur · Since 2021

The company provides language services, particularly text creation, editing, proofreading and translation in various languages (English, French, Italian and German).

Square One Architekten GmbH 

Winterthur · Since 1999

The core activity of Square One Architekten is the planning and realization of architectural projects, including residential buildings, such as single-family homes and settlements, as well as retail design and lighting planning.

STARTUPS.CH AG 

Winterthur · Since 2001

STARTUPS.CH AG provides services for company formation and administration, including advisory support, commercial register filings, and fiduciary and tax services. The company also offers trademark protection, contract drafting, bookkeeping and payroll services, domiciliation and training programmes for founders.

Stiftung Krisenintervention Schweiz 

Winterthur · Since 1991

The company's core activity is crisis intervention and employee counseling, particularly providing psychological and social support to employees and executives in companies to cope with challenging life situations and difficult situations in professional and private life. This also includes training and further education, coaching, mediation, supervision and team development.

StoryUp GmbH 

Winterthur · Since 2018

The company provides services in the field of storytelling and video production, particularly for companies and organizations. The core activity includes the development of explainer videos, product videos and other visual content aimed at emotionally addressing the target audience and conveying the customer's message. This also includes consulting and supporting the development of storylines, design development and video production.

STRUB GEKO Holzbau GmbH 

Winterthur · Since 2016

STRUB GEKO Holzbau GmbH is a company in the timber construction sector offering carpentry, wooden flooring, ecological insulation, and renovation services.

Strut Architekten AG 

Winterthur · Since 2014

The core activity of Strut Architekten is the planning and realization of construction projects, particularly in the field of residential and commercial building architecture, with a focus on sustainable and human-centered architecture.

Swami Omkarananda Stiftung 

Winterthur · Since 2016

The core activity of Omkarananda Ashram is the promotion and dissemination of spiritual teachings and practices, particularly in the field of Hinduism and yoga. This includes organizing lectures, workshops, kirtans, pujas and homas, as well as managing a temple and conducting Sanskrit classes and other spiritual activities. The company also offers books and other spiritual materials and supports research and education in the field of spirituality.

TENOVA BAU GmbH 

Winterthur · Since 2008

The core activity of TENOVA Bau GmbH is the creation of formwork for building construction, particularly for ceilings, walls, stairs and circular formwork, as well as the execution of masonry work.

TOPLANA Isolationen GmbH 

Winterthur · Since 2019

The core activity of Toplana Isolationen GmbH is the provision of insulation services.

TORUS INVESTMENTS AG 

Winterthur · Since 2013

TORUS INVESTMENTS AG is a proprietary trading firm specializing in algorithmic and high-frequency trading and market making in spot and derivative markets. The company develops low-latency trading connectors and a unified API gateway for multi-venue access.

Verein Grundschritt 

Winterthur · Since 2017

The core activity of Grundschritt includes providing services in the areas of janitorial services, cleaning, clearing and disposal, simple gardening and environmental maintenance, as well as auxiliary work in the skilled trades sector. These services are provided by committed professionals and members of the social association's integration program.

Veterinary Anaesthesia Services International GmbH (VAS) 

Winterthur · Since 2006

Veterinary Anaesthesia Services International GmbH (VAS) provides comprehensive veterinary anaesthesia and analgesia services. Offerings include specialist-led mobile anaesthesia for veterinary practices, clinical and research consultancy, training through the VASTA programme, and the supply of anaesthesia equipment and consumables.

ViaTec AG 

Winterthur · Since 2004

ViaTec AG is an institute for construction material technology. It provides materials testing, installation supervision, preliminary investigations and research and development for road construction, focusing on asphalt, binders, aggregates and recycled materials. Its testing laboratories are accredited to ISO/IEC 17025:2017 by the Swiss Accreditation Service.

weghom gmbh 

Winterthur · Since 2017

The company's core activity is the application and dissemination of homeopathy, particularly through the treatment of patients with homeopathic remedies and consulting on homeopathic issues. Homeopath Simon Wegmüller offers individual treatments, consultations and lectures and has a practice in Winterthur.

Welti & Co AG 

Winterthur · Since 1962

Welti & Co AG is a wholesale supplier of haberdashery, sewing accessories, fabrics, yarns and craft items. The company operates a catalogue webshop and a comprehensive digital catalogue for retailers and small manufacturers, accepts scanner orders and does not sell to private end consumers.

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