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Schweizerische ALS Stiftung 

Winterthur · Since 2003

The company's core activity is to provide financial support for researching the exact cause of ALS disease and to promote the development of innovative therapies to pave the way for an effective treatment or cure for the disease.

Schweizerische Mobiliar Versicherungsgesellschaft, Generalagentur Winterthur, Andreas Götz 

Winterthur · Since 2019

Schweizerische Mobiliar Versicherungsgesellschaft, Generalagentur Winterthur, Andreas Götz provides insurance and pension advisory services and offers customer services such as claims reporting and direct contact by phone or email.

Schweizerischer Höhenarbeiten- und Rigging-Verband 

Winterthur · Since 2002

The core activity of the Swiss Association for Height Work and Rigging (SHRV) consists in setting and implementing standards for safety, training and legislation in the field of height work and rigging, as well as in conducting training and continuing education courses for riggers and height workers.

Schweizerische Technische Fachschule Winterthur (STF) 

Winterthur · Since 1946

Schweizerische Technische Fachschule Winterthur (STF) provides practice-oriented continuing education and professional courses in building services, vehicle technology, electrical engineering, IT, vocational training and the higher technical school (HF). The institution also offers company courses, consulting, room rental and public information events in cooperation with industry associations.

Schweizerisches Zentrum für Arbeits- und Umweltgesundheit GmbH 

Winterthur · Since 2018

The Swiss Centre for Occupational and Environmental Health (SCOEH) is a company whose core activity is research and consulting in the field of occupational and environmental health. SCOEH investigates risk factors that affect the health of workers and the environment, and shares its findings through consulting governments and companies, as well as training workers and executives. The company is also involved in the development of risk mapping and raising awareness of the importance of aerosols in pandemics.

Schweizer Stiftung Farbe 

Winterthur · Since 2012

The company offers a classification system for coating materials based on criteria such as environmental and health protection as well as usability. It provides a public product directory that lists products from manufacturers that meet the classification criteria. The company aims to provide orientation and selection assistance for coatings and guarantee the quality of the products. It works with various stakeholder groups and is overseen by an independent foundation.

SCONRAIL AG 

Winterthur · Since 2006

The company's core activity is the certification and inspection of vehicles, infrastructure and ECM (European Certification of Management) in the field of railways, including safety assessment and cyber security.

S + C Unternehmensberatung AG 

Winterthur · Since 1978

The core activity of S+C Unternehmensberatung AG encompasses the provision of services in the following areas: accounting, legal consulting, human resources, taxes, backoffice software, absence management (PERDOC), and payroll certificates (LgAus). The company thus offers a comprehensive range of consulting and services for businesses, particularly in the areas of finance, human resources, and law.

SEABRAND International GmbH 

Winterthur · Since 2015

SEABRAND International GmbH provides consulting and coaching services focused on strategy, international collaboration, team development and marketing. Services include business curation, coaching, team development, a first-impression marketing check and programmes such as Groupreneur and the Dinosaur Principle to support project planning and execution.

Season Kitchen GmbH 

Winterthur · Since 2021

Season Kitchen GmbH operates seasonal restaurant services and provides catering as well as warm-kitchen meals. The company runs restaurants at outdoor public pools (Badi Oberi, Badi Wiesendangen) and offers catering solutions for events and groups.

Sebastian Klinger 

Winterthur · Since 2020

Sebastian Klinger is a cinematographer and producer. He works on feature and short films, documentaries, commercials, web series and music videos, and also serves as a VFX supervisor and colorist; his work has screened at film festivals and received awards.

Second Helpings GmbH 

Winterthur · Since 2021

The core activity of Second Helpings GmbH is the provision of services in the construction industry, particularly in construction consulting, project management and construction management.

Sedioli Kommunikation GmbH 

Winterthur · Since 2017

The core activity of Sedioli Kommunikation is the creation of communication solutions for companies and organizations, including texts, concepts, moderation and consulting in the areas of corporate communications, journalism and public relations.

sehr gern gmbh 

Winterthur · Since 2006

sehr gern gmbh is the parent company of a group that holds stakes in several agencies and businesses. It coordinates activities and services such as web development, ICT service and project management, and encompasses subsidiaries in digital communication, IT services and gastronomy.

SelecTeam GmbH 

Winterthur · Since 1997

The core activity of SelecTeam GmbH is personnel consulting and placement, particularly the placement of qualified specialists and executives in the fields of business administration and IT for service and industrial companies in German-speaking Switzerland.

SELF LOVE GmbH 

Winterthur · Since 2021

The core activity of SELF LOVE GmbH is the sale of jewelry pieces, particularly made of high-quality stainless steel, through an online shop and possibly also through retail. The company offers various collections and places emphasis on sustainability in production and work processes.

Semalit Landschaftsarchitektur AG 

Winterthur · Since 1991

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.

Senn & Ismaili AG 

Winterthur · Since 2023

Senn & Ismaili AG is a buying and selling firm for precious metals, jewelry, luxury watches and collectibles. The company purchases and sells items such as scrap gold, silver, dental gold, branded watches, coins, antiques and luxury handbags, and provides services including repairs, valuations, certificates, house visits and estate clearances; selected items are also offered via the online marketplace Ricardo.

SENPAI GmbH 

Winterthur · Since 2006

The core activity of SENPAI GmbH encompasses the provision of services in the field of information technology and IT management. Specifically, the company offers the following services: management tasks, including interim management and project management; outsourcing of IT services; infrastructure project management, including rollout, asset management, outsourcing, outtasking, and migrations; system and asset management; complex hardware repairs; and IT security tasks. The company positions itself as an independent partner for companies at home and abroad, offering its services primarily to medium-sized and larger enterprises.

SEP IT AG 

Winterthur · Since 2020

SEP IT AG is an independent, owner-managed Swiss company that provides IT services. The company offers IT infrastructure services, system integrations, managed IT services (cloud, security, helpdesk), and consulting and sales, handling the design, implementation and maintenance of cloud and hybrid infrastructures as well as support.

Serv24 GmbH 

Winterthur · Since 2002

The core activity of Serv24 GmbH is the development and operation of innovative and future-proof software solutions for critical communication, particularly in the areas of alarm and emergency management, interactive signage and hosting services for small and medium-sized enterprises.

Service 1 Point GmbH 

Winterthur · Since 2004

The core activity of Service 1 Point GmbH is providing IT support to private customers and small businesses in Winterthur and its surroundings. This includes services such as organizing and maintaining computer infrastructures, creating and maintaining web presence, as well as consulting and supporting the expansion of existing systems.

Serwise AG 

Winterthur · Since 1997

Serwise AG provides management and business consulting, Business Analytics services including data warehouse and financial performance management, and software development for database applications and mobile platforms.

SHEvision Treuhand KmG 

Winterthur · Since 2017

The core activity of SHEvision is the provision of trust services, particularly in the areas of: * Accounting (invoice posting, expense processing, annual financial statements, consulting) * Payroll (payroll accounting, payroll processing, payroll certificates, payroll declarations) * Tax consulting (annual financial statements, reporting, taxes, VAT settlements) * Auditing (limited audits, regular audits, review of financial statements, transaction audits) The company thus offers comprehensive financial services for companies to coordinate, monitor and optimize their financial affairs.

Shortcut Productions René Bill 

Winterthur · Since 1998

Shortcut Productions René Bill provides text and audio services. The offerings include copywriting and proofreading for publications, voice-over and acting for commercials, off-voice recordings for television and industrial films, audio productions for CD‑ROMs, and film dialogue dubbing. The website lists clients such as Crédit Suisse, Migros and Schweizer Fernsehen.

Showzone AG 

Winterthur · Since 2023

The core activity of Showzone AG is the development and provision of a presentation app driven by artificial intelligence (AI) to make presentations interactive and inspiring. The company aims to revolutionize the way presentations are held and increase the interaction between the presenter and their audience.

Sibra AG 

Winterthur · Since 1988

Sibra AG focuses on safety and fire protection in the construction sector. The company is presented on the website as evolving from SCS Software and provides solutions and services related to building safety and fire-protection matters.

Sidora AG 

Winterthur · Since 2022

The core activity of Sidora AG is the creation of digital solutions, particularly the development of websites, web applications, mobile apps, e-commerce platforms, Progressive Web Apps (PWA) and Software-as-a-Service (SaaS) platforms. This also includes the areas of graphic design, UI/UX design, programming, marketing and SEO. The company positions itself as an innovation partner for businesses and offers comprehensive services to promote the digital presence and success of its customers.

sieber-architektur 

Winterthur · Since 2021

The company's core activity is architecture.

SIKORA TENNIS 

Winterthur · Since 2023

The core activity of the company "Sikora Tennis" is the provision of tennis training and teaching services for hobby and ambitious tennis players by the founder and tennis coach Adrian Sikora.

SILVACONSULT AG 

Winterthur · Since 1999

The core activity of Silvaconsult AG is the development and application of methodologies and standards for sustainable forestry, climate protection and nature conservation, particularly in the area of certification of forest projects aimed at preserving and promoting carbon sinks, biodiversity and forest resilience.

Silverlight AG 

Winterthur · Since 1982

The core activity of Silverlight Ltd. is the development, manufacture and distribution of pyroelectric detectors, giga-/teraohm resistors and related products such as optical filters and windows. The company also provides engineering services to support customers in integrating these products into their applications.

SIMA / BREER GmbH 

Winterthur · Since 2017

SIMA / BREER GmbH is a landscape architecture office offering services in landscape planning and urban design. The team develops design proposals, competition submissions and site planning for public and private projects.

Simkas AG 

Winterthur · Since 2007

Simkas AG is a real estate company with a core competency in property development. The firm develops building projects from conception through leasing, invests in residential and commercial properties, and manages portfolio and property operations.

SimplexDNA AG 

Winterthur · Since 2021

The core activity of SimplexDNA AG is the implementation of molecular biological analyses and research projects in the field of biodiversity and nature conservation, particularly in the monitoring of invasive species and the evaluation of renaturation and revitalization efforts in freshwater ecosystems.

Simplify Group Switzerland GmbH 

Winterthur · Since 2024

Sinixt GmbH 

Winterthur · Since 2008

The core activity of Sinixt GmbH encompasses three main areas: 1. **ICT Consulting & Business Consulting**: Strategic ICT planning, efficient and cost-optimized use of ICT resources, expert advice, technology scouting, management support, and system and network architectures. 2. **ICT Security & Risk Management**: Security consulting, risk management, business continuity management, emergency exercises, training, and coaching for ICT security, SWOT and risk analyses, as well as security analyses of company networks. 3. **Accounting and Personnel Administration**: Financial accounting, budget consulting, tax returns, liquidity planning, administrative accounting clarifications, and HR administration. Overall, Sinixt GmbH offers comprehensive services in the areas of information and communication technology (ICT), security and risk management, as well as financial and personnel management.

sinndrin genossenschaft 

Winterthur · Since 2013

sinndrin genossenschaft is a platform that handles administrative tasks for its members, including bookkeeping, invoicing and management of social insurance, allowing members to focus on their projects. It administers collective social insurance and sick‑pay, manages payment monitoring and debt collection, and provides infrastructure, networking and support for project planning, consulting and implementation.

Sinomed Winterthur AG 

Winterthur · Since 2005

Sinomed Winterthur AG is a clinic for Traditional Chinese Medicine (TCM) offering acupuncture, herbal therapy, laser acupuncture, moxibustion, cupping, Tuina massage and TCM diagnostics. The practice is part of the Sinomed group and provides patient information and a network of specialist partners.

Siteco Switzerland AG 

Winterthur · Since 2019

Siteco GmbH is a manufacturer of lighting solutions, offering a wide range of products and services in the field of lighting. The company's core activity encompasses the development, production, and distribution of indoor and outdoor lighting solutions, including specialized solutions for various industries and applications such as industry, logistics, office, city, retail, sports, and events. Additionally, Siteco also provides digital solutions, lighting control systems, and technical services.

Siwotex GmbH 

Winterthur · Since 2005

The core activity of SiwoteX GmbH is the sale of high-quality professional clothing and corporate fashion for companies and private individuals, including individual consulting, printing and embroidery of garments, as well as a full-service offering around professional and workwear.

Skillsgarden AG 

Winterthur · Since 2017

The company provides consulting and training services to organizations, teams, and executives to support them in developing psychological safety, cultural development, and change processes. The core activities include workshop design and moderation, coaching, accompaniment of management and leadership teams, as well as conducting measurements and analyses of psychological safety within teams.

S. Leutenegger, Dipl. Ing. ETH/SIA 

Winterthur · Since 1985

S. Leutenegger, Dipl. Ing. ETH/SIA provides structural engineering and consulting services for rail vehicles and general lightweight construction.

smart.t AG 

Winterthur · Since 2020

smart.t AG provides consulting and implementation services for digital transformation, customer experience and business transformation, including branding and web design, content creation, application development and integration, cyber security and learning management system integration.

sm-communications Sylvia Müller 

Winterthur · Since 2004

sm-communications Sylvia Müller provides supervision and coaching for professionals in social work, health and adult education, and offers employee counselling services such as case management, conflict counselling and intercultural mediation. The practice also delivers language services including translations, editorial/media work, linguistic validation and language teaching in German, English and French.

S&N Beauty, Inhaberin Reyhan Beyhan Acikgöz 

Winterthur · Since 2018

The core activity of S&N BEAUTY is to provide high-quality beauty and wellness treatments, including: laser hair removal, facial treatments, waxing, lashlifting, browlifting, and nail care. The company offers individualized beauty solutions for face, body, and nails, with the goal of enhancing the natural beauty of its clients and promoting their well-being.

Snoots GmbH 

Winterthur · Since 2024

so.beratungen gmbh 

Winterthur · Since 2019

The core activity of Sabine Oberländer's company 'so.beratungen gmbh' is systemic organizational and conflict consulting as well as coaching. This includes in particular: organizational consulting, coaching, and conflict resolution. The company supports organizations, companies, and individuals in designing collaboration with enthusiasm and developing new work environments.

Società Agricola Pipistrello S.r.l., Francofonte, Zweigniederlassung Winterthur 

Winterthur · Since 2020

The core activity of Società Agricola Pipistrello S.R.L. is agriculture.

soConsult AG 

Winterthur · Since 2016

The core activity of soConsult AG is management and communication consulting for small and medium-sized enterprises (SMEs).