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STUDIO ANDREA FREI 

Winterthur · Since 2018

The core activity of the company FREIFORM is the manufacture and sale of high-quality bags.

Studio Arco Bau GmbH 

Winterthur · Since 2024

Studio Arco Bau GmbH is an architecture and design practice providing planning and realization services from initial sketch through to project completion. Services listed on the website include feasibility studies, project planning and execution, and development of unconventional objects such as tiny or modular houses and art installations.

Studio Arco AG 

Winterthur · Since 2023

Studio Arco AG is an architecture and design firm providing planning services from initial concept sketches through to project realization. Its services include feasibility studies, project planning and execution, and the development of site-independent objects such as tiny or modular houses and art installations.

studio - f Architektur GmbH 

Winterthur · Since 2023

The core activity of studio-f, Architektur GmbH, is the planning and realization of architectural projects, particularly in the area of renovations, refurbishments and new constructions of residential and community buildings, as well as participation in architectural competitions.

STUDIO grund und wild GmbH 

Winterthur · Since 2020

The core activity of grundstudio is the creation of film and photography productions, particularly for corporate clients, as well as the implementation of creative projects in the field of film and photography.

Studio Jakob GmbH 

Winterthur · Since 2019

Studio Jakob GmbH is an architecture and design studio that plans and delivers architectural and interior projects, including new-builds, renovations and work on listed/heritage buildings. Services include concept and design, project coordination with specialist consultants, feasibility studies and advisory support for property and building matters.

studio maay GmbH 

Winterthur · Since 2024

studio maay GmbH is an architecture firm offering design, planning and project work for built and unbuilt spaces. The office undertakes residential projects and thematic assignments such as roof-surface registers for heritage preservation, with emphasis on spatial, contextual and material considerations.

SuisseMusic Faruk Jonuzi 

Winterthur · Since 2014

The core activity of SuisseMusic is the professional mediation and support of DJs and live artists for events and tours worldwide, including comprehensive tour management and artist support.

Sulzer-Stiftung 

Winterthur · Since 2011

Sulzer-Stiftung provides supplementary pension coverage for executive staff and insures the portion of salary that exceeds the SVE base scheme up to the legally defined maximum. The foundation operates independently while complementing the SVE and publishes reports and guidance on purchases, home-ownership withdrawals and investment strategy.

SunPage Gilbert Wyrsch 

Winterthur · Since 1998

The core activity of SunPage Multimedia & Luftaufnahmen is the deployment of drone operations and the provision of services in the field of aerial photography, as well as the conduct of drone courses for beginners and advanced learners.

Svasthaveda Ayurveda Center Katharina Tulinski 

Winterthur · Since 2006

The core activity of the company is the application of Ayurveda therapy and massage to promote health and well-being. Specifically, this includes conducting Ayurveda sessions, oil massages and consulting in Ayurveda medicine, nutrition and self-healing powers.

SWICA Gesundheitsorganisation 

Winterthur · Since 1996

SWICA Gesundheitsorganisation provides health insurance products, including compulsory basic insurance and a range of supplementary insurance options. It also offers health‑promotion and prevention services and operates telemedicine and online customer services such as santé24 and mySWICA.

SWICA Holding AG 

Winterthur · Since 1993

SWICA Holding AG provides compulsory basic health insurance, supplementary insurance and health-related services, including telemedicine (santé24), the mySWICA customer portal and prevention programmes (Benevita).

SWICA Krankenversicherung AG 

Winterthur · Since 2001

SWICA Krankenversicherung AG is a health insurer that offers basic compulsory health insurance (KVG) and a range of supplementary insurance products. Its services include telemedicine (santé24), prevention and health-promotion programmes, digital services such as the mySWICA customer portal, and directories of healthcare providers.

SWICA Health AG 

Winterthur · Since 1990

SWICA Health AG is a health insurer that offers basic and supplementary insurance as well as other insurance products, and provides digital services such as the mySWICA customer portal, a premium calculator and telemedicine services (santé24).

SWICA Versicherungen AG 

Winterthur · Since 1993

SWICA Versicherungen AG is a health insurer offering basic (statutory) and supplemental insurance products, specialty coverages and additional health services such as telemedicine, wellness bonus programmes and an online customer portal.

Swiss Casino Winterthur AG 

Winterthur · Since 2022

SWISSclaiming GmbH 

Winterthur · Since 2022

The core activity of SWISSclaiming GmbH is to support music labels, music collectives and musicians in enforcing their neighbouring rights in Switzerland.

SWISScomb GmbH 

Winterthur · Since 2015

SWISScomb GmbH designs and supplies engineering, execution and installation solutions for waste-to-energy and hazardous waste incineration plants, including modular moving-grate combustion systems. Its services include conceptual engineering, in-house fabrication, assembly and commissioning, as well as maintenance and spare parts.

Swiss Exams GmbH 

Winterthur · Since 1998

Swiss Exams GmbH provides exam management and administration services for international language tests and conducts examinations such as Cambridge English, Goethe, IELTS, Linguaskill and TCF. Services include candidate registration, exam logistics, result and certificate management, computer-based and remote-proctored assessments, and online exam preparation via the Swiss Exams Academy.

Swiss Exams Services GmbH 

Winterthur · Since 2004

Swiss Exams Services GmbH is an organisation specialising in exam management and the administration of examinations for international exam boards. Services include running and administering language exams (including Cambridge English, Goethe, Linguaskill, IELTS and TCF), computer-based and remote‑proctored formats, and exam preparation and support services for schools, employers and candidates.

swissguide AG 

Winterthur · Since 2002

swissguide AG operates an online application and business directory that enables users to search for companies, products and brands. The service includes free basic listings, paid enhanced listings and tools for submitting updates and news.

SwissPy 

Winterthur · Since 2022

The core activity of SwissPy is to provide training, consulting and mentoring in the field of the Python programming language, particularly for companies and scientists.

Swiss Wealth Consulting AG 

Winterthur · Since 2009

The core activity of Swiss Wealth Consulting AG is independent wealth management and consulting for private clients, particularly in the areas of investment and pension solutions, tax matters, financing and estate planning.

Symbiont Winterthur GmbH 

Winterthur · Since 2022

Symbiont Winterthur GmbH offers EMS (electrical muscle stimulation) training and personalized personal training in a studio setting, providing tailored training plans and trainer supervision.

tafalu kreativ Jucker 

Winterthur · Since 2015

The core activity of tafalu kreativ is the online sale of jewelry accessories, ceramic jewelry, sewing accessories and other creative items.

Taxalis Treuhand AG 

Winterthur · Since 1977

Taxalis Treuhand AG provides fiduciary and advisory services for individuals and corporate clients. Services include tax consulting, auditing, estate planning, and property management and sales.

Taxalis Revisions GmbH 

Winterthur · Since 1949

Taxalis Revisions GmbH performs audit and statutory examination assignments; its auditors, licensed by the Federal Audit Oversight Authority (RAB), carry out limited and ordinary statutory audits, incorporation audits for qualified formations, audits of capital increases, audits of early asset distributions in liquidation, and special audits.

TCM kangtai GmbH 

Winterthur · Since 2011

TCM kangtai GmbH offers treatments in Traditional Chinese Medicine, including acupuncture, moxibustion, Tuina massage, cupping, herbal medicine and dietary therapy. The practice outlines diagnostic methods and a range of applications such as pain, allergies and sleep disorders.

Techfina SA 

Winterthur · Since 2017

Techfina SA is a plant engineering company in the environmental sector that designs, constructs, commissions and provides follow-up for municipal and industrial wastewater and sludge treatment plants and subsystems. Its services include project engineering, 3D design, assembly, testing and commissioning, and process solutions such as primary mechanical treatment, biological treatment, sludge handling, phosphorus recovery and energy recovery from biogas.

teclogix GmbH 

Winterthur · Since 2021

The core activity of teclogix GmbH is the planning and implementation of comprehensive IT solutions for small and medium-sized enterprises (SMEs). This includes needs analysis, consulting, procurement, installation, operation and maintenance of IT infrastructure, including cloud solutions, Microsoft 365 and private cloud. The company also offers IT consulting services and strives for long-term, partnership-based relationships with its customers.

tecuum AG 

Winterthur · Since 2015

The core activity of Tecuum ag is the development, manufacture and distribution of vacuum evaporation plants (Vacuum Evaporators) and related components, particularly for industrial and scientific applications.

TEN AG 

Winterthur · Since 1989

The core activity of TEN AG Informatik is system and software development, particularly in the area of UNIX/Linux-based IT solutions. This includes the conception, planning and implementation of software products and individual inter- and intranet applications, as well as the installation, configuration and administration of UNIX/Linux operating systems and applications.

T. Geilinger 

Winterthur · Since 2020

T. Geilinger is a façade and metal-construction company offering design, fabrication and installation of façades, metal components, fire-rated doors and wood‑metal windows. Services also include balcony glazing, folding glass walls and maintenance/after-sales support.

Theater Winterthur AG 

Winterthur · Since 2019

The company "Theater Winterthur" is a theatre operation whose core activity consists of the production and performance of plays, operas and other cultural events. This also includes the provision of theatre pedagogy, the implementation of workshops and the organisation of festivals. The theatre also offers gastronomic services, such as a bistro, and has its own box office.

The European Higher Engineering and Technical Professionals Association (EurEta) 

Winterthur · Since 1998

The European Higher Engineering and Technical Professionals Association (EurEta) is a European association of practice-oriented higher-education engineering and technical professionals that awards the titles “Ing. EurEta” and “EurEta Professional” and maintains a register of certified professionals. EurEta participates in consultations and conferences on higher education qualifications, maintains a presence in Brussels through a political advisor, and is funded by its registrants.

The Practice Room GmbH 

Winterthur · Since 2017

The core activity of the company "The Practice Room" is the implementation of theatrical courses and experiences, particularly for English-speaking individuals, where singing, dancing and acting are used to learn and practice the English language.

TheraPferd GmbH 

Winterthur · Since 2021

The core activity of the company TheraPferd is equine-assisted psychotherapy.

Thomas Rickli Raumdesign GmbH 

Winterthur · Since 1994

The core activity of Thomas Rickli Raumdesign GmbH is the consulting and design of interior spaces for private and corporate clients, including the selection and delivery of furniture, lighting solutions and textiles. The company also offers its own sewing studio service for the production of custom-made textiles such as curtains, upholstery and other home and decorative textiles.

Tobija Fischer Webdesign 

Winterthur · Since 2022

The core activity of Tobija is the creation of websites.

Tofulino GmbH 

Winterthur · Since 2013

Tomescu Gebäudeunterhalt GmbH 

Winterthur · Since 2015

The core activity of Tomescu company is to provide cleaning and moving services, including: high-pressure cleaning, window cleaning, roof and gutter cleaning, floor cleaning, carpet and upholstery cleaning, and moving services. The company thus offers a wide range of services in the field of cleaning and moving.

tondeur consult 

Winterthur · Since 2008

The core activity of the company "tondeur consult" is the consulting and implementation of online marketing strategies, particularly in the areas of social media and content marketing. The owner, Noé Tondeur, as a federally certified web project manager and lecturer at SAWI and Digicomp, offers consulting and coaching services to companies to improve their communication and marketing activities.

Tonicmoon GmbH 

Winterthur · Since 2007

The core activity of Tonicmoon GmbH is the provision of services in the fields of design, communication and marketing. Specifically, this includes the development of strategies, implementation of marketing measures and strengthening of companies' market presence through external perspective, foresight and creative solutions.

Topas Personal Winterthur AG 

Winterthur · Since 2020

The core activity of Topas Personal Winterthur AG is personnel placement and services, particularly the placement of temporary and permanent staff, as well as the provision of pay-rolling services.

topbooks.ch GmbH 

Winterthur · Since 2014

The core activity of topbooks.ch GmbH is the publishing of books, in particular the publication of valuable and meaningful literature that conveys healthy and good values.

Top-Physio GmbH 

Winterthur · Since 2018

The company's core activity is the education and further training of physiotherapists and other healthcare professionals. The company offers a wide range of courses and seminars focusing on various topics such as neurology, pain therapy, psychology, and manual therapy techniques. It also provides online courses and webinars and has several locations in Germany and on the island of Mallorca.

topserve.ch GmbH 

Winterthur · Since 2006

The core activity of topserve.ch is the provision of trust services, particularly in the areas of financial and payroll accounting, statistical services, management of secretariats and business offices, consulting and coaching, as well as product and market statistics. The company supports its customers in these areas and offers high-quality work at fair prices.

Transport.CH GmbH 

Winterthur · Since 2024

Trauma-lösen GmbH 

Winterthur · Since 2024

Trauma-lösen GmbH provides complementary therapy services focused on resource-oriented trauma work and body-based approaches. Offerings include breathing therapy, foot reflexology, massages, lymphatic therapy and psychotraumatology counselling to support stress processing and coping strategies.