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SEIDMANN PODOLOGIE, Inhaberin Hermine Seidmann 

Zurich · Since 2016

The core activity of Seidmann Podologie is medical foot care, particularly for diabetics, provided by certified and experienced medical staff.

Seiler architects 

Zurich · Since 2017

Seiler is an architectural firm specializing in the planning and realization of construction projects. The company's core activity includes the development and implementation of architectural projects, participation in competitions, and the handling of projects in the field of building design.

Seitenlicht GmbH 

Zurich · Since 2010

The core activity of Seitenlicht GmbH is advising customers in the Swiss financial sector, particularly in the implementation and use of the asset management software Simcorp Dimension, with a focus on technical and professional support, business analysis, and back office and accounting.

SEPRO SWITZERLAND GmbH 

Zurich · Since 2021

SEPRO SWITZERLAND GmbH is a Sepro Group service centre that provides sales, technical support and after‑sales services for automation systems used with injection moulding machines. Services include a hotline and local technical support, spare parts supply, retrofits and upgrades, training, remote access and the integration of robots and peripheral equipment.

SETIEME GMBH 

Zurich · Since 2004

The core activity of Setieme is innovative digital marketing for arthouse films, particularly to inspire more people to appreciate this type of cinema.

Seven.One Entertainment Group Schweiz AG 

Zurich · Since 1995

The core activity of Seven.One Entertainment Group Schweiz AG is the production and marketing of audiovisual media content, particularly in the area of free-to-air TV and streaming. Specifically, this includes: The distribution of television programs via various channels such as SAT.1, ProSieben, Kabel Eins, sixx, SAT.1 Gold, ProSieben MAXX, and Puls 8. The operation of a streaming platform called Joyn, which offers live TV and on-demand content. The production of its own content, including Switzerland-specific programs and in-house productions. The marketing of advertising space in its own media channels through its partner Goldbach Media. Overall, the company's focus is on providing entertainment and information content to the Swiss population through various media channels.

SGK Schweizerische Gesellschaft für Korrosionsschutz 

Zurich · Since 2007

The core activity of the company Schweizerische Gesellschaft für Korrosionsschutz (SGK) is corrosion protection, particularly in the areas of: railways, civil engineering, supply and disposal, and pipeline systems. The company offers services such as measurement, planning, research and development in the field of corrosion protection and advocates for economically, safely and environmentally friendly corrosion protection. It also provides further education and training in the field of corrosion protection.

SHEA YEAH AG 

Zurich · Since 2022

The company is a manufacturer of high-quality (natural) cosmetics.

SHIFT Integrale Entwicklung AG 

Zurich · Since 2022

The company offers services in the field of sustainable development of real estate, neighborhoods, and public spaces. The core activities include: Strategy and concept development for real estate and neighborhoods, climate-friendly planning and energy efficiency, development of usage concepts for ground floors and public spaces, site development and regional development concepts, participation, co-creation, and process moderation, as well as future-proof architecture and positive narratives. The company supports clients in developing long-term strategies for their real estate and neighborhoods to increase their value and meet new requirements. It focuses on creating sustainable and future-proof solutions that take into account both ecological and social aspects.

Shuttler GmbH 

Zurich · Since 2018

The core activity of Shuttler is the operation of a minibus connection between various cities in Switzerland, particularly between Zurich, Lucerne and Interlaken, as well as Zurich Airport. The company offers direct connections and hotel transfers, allowing customers to book tickets online.

Siegfried Kahn Trading AG 

Zurich · Since 1995

The core activity of Siegfried Kahn Trading AG is the trade in iron, metal and plastics, particularly in the field of scrap metal trading.

Silvano Zeiter Studio GmbH 

Zurich · Since 2024

Simon Widmer Consulting 

Zurich · Since 2022

Simon Widmer Consulting advises organisations on circular economy, regenerative business practices and circular design, and develops strategy, innovation tools and workshops. Services include strategy development, capability building, project management and ecosystem activities; the offering also includes nature‑based yoga and community practices.

SIMULTEC AG 

Zurich · Since 1987

SIMULTEC AG provides flow simulations in soil, water and air, focusing on groundwater modelling for contaminated sites, flood protection, drinking water supply and heat utilisation. The company also offers consulting on environmental issues and develops software for environmental management.

sips don't lie KLG 

Zurich · Since 2024

The core activity of the company 'sips don't lie' is the online marketing and distribution of alcoholic beverages, particularly special and exclusive spirits, which are delivered directly to customers' homes.

Siriotek GmbH 

Zurich · Since 2019

The core activity of Siriotek GmbH is the development of innovative solutions for complex technical problems in various industries, particularly through the combination of analysis, simulation and testing. The company provides engineering services to support customers in the development of new products, devices and technologies, and has experience in the field of motorsport, especially in Formula 1.

siruzu AG 

Zurich · Since 2023

The core activity of sirizu AG is architecture. The website lists various architects as team members, and the contact details include the professional titles "dipl. arch." and "MSc ETH Architect", indicating a professional architecture practice.

SIX BBS AG 

Zurich · Since 2003

SIX BBS AG provides banking services for payment processing and payment solutions, including billing & payments, debit services, eBill, QR-bill, b.Link and interbank clearing.

SIX Exfeed AG 

Zurich · Since 2001

SIX Financial Information AG 

Zurich · Since 1930

SIX Financial Information AG provides financial data and services, including indices, market and reference data, corporate actions information and ESG datasets. The company also offers regulatory compliance solutions (investor protection, risk and reporting, tax data services) and a range of delivery methods such as APIs, file feeds and cloud services.

SIX Global Services AG 

Zurich · Since 1997

SIX Group Services AG 

Zurich · Since 1995

SIX Repo AG 

Zurich · Since 2013

SIX Repo AG operates the CO:RE trading platform and the Swiss Repo Market as a regulated MTF, offering repo and triparty services. As a triparty agent it manages collateral, performs mark‑to‑market valuation, margining and settlement, and facilitates access to SNB repo operations.

SIX Swiss Exchange AG 

Zurich · Since 1995

SIX Swiss Exchange AG operates a stock exchange and provides listing, trading and post-trade services, including clearing, settlement, custody and asset servicing.

SIX x-clear AG 

Zurich · Since 2001

SIX x-clear AG provides multi-asset clearing services as a licensed central counterparty (CCP), enabling access to multiple trading venues across Europe. It operates real-time risk management, portfolio-based margining and flexible collateral arrangements, and offers membership and information services for clearing participants.

S. Media GmbH 

Zurich · Since 2018

The core activity of S. Media GmbH is the development and implementation of digital solutions for companies, particularly in the e-commerce sector. This includes the creation of websites, web applications, online shops, and individual software solutions such as CMS, CRM, ERP, and interface programming to various web service providers. In addition, the company also offers services such as web design, project management, IT consulting, cloud solutions, and hosting.

Snipd AG 

Zurich · Since 2021

The core activity of Snipd is the development and provision of a podcast app that uses Artificial Intelligence (AI) to enable users to extract, store and share key insights and content from podcasts. The app offers features such as automatic note-taking, summaries, chapter marking and the ability to share content with others. The goal is to enable users to learn more efficiently and effectively from podcasts and process content.

Social Investors Partners AG 

Zurich · Since 2010

Social Investors Partners AG is an independent philanthropic advisory firm offering the full spectrum of services for philanthropists, families and foundations. Its services include strategy development, foundation management, evaluation, research and implementation across thematic areas such as education, migration, water and sanitation, agriculture, arts and women’s empowerment.

Soha Film AG 

Zurich · Since 1992

Soha Film AG is a film production company specializing in the creation of commercials, corporate videos, social media content, and documentaries. The company's core activity is to produce visual content for clients such as Aldi Suisse, UBS, Swisscom, and other renowned companies, showcasing their brands and products and addressing their target audiences.

Sollbruchstelle GmbH 

Zurich · Since 2012

The core activity of Sollbruchstelle is the organization and implementation of art exhibitions in abandoned buildings, also known as 'art in dying buildings'. The company showcases art in a temporary and unconventional setting by utilizing vacant buildings as exhibition spaces.

Sortdesk GmbH 

Zurich · Since 2022

The core activity of Sortdesk is the development of software solutions for the construction and real estate industry (AEC industry), particularly the creation of customized tools and applications to support construction projects, such as BIM viewers, document management systems, and estimating. In addition, the company also offers technology consulting, requirements analysis, and data engineering services to improve the efficiency and productivity of construction projects.

so & so gmbh 

Zurich · Since 2006

The core activity of so&so gmbh is film production, particularly the production of short films, commercials, commissioned films and feature films, as well as the provision of full-production services for film projects. Additionally, the company also offers photo productions and theatrical performances.

South Pole Holding AG 

Zurich · Since 2006

South Pole Holding AG is a climate company offering climate solutions, including climate consulting, environmental certificates (carbon credits), and project development and finance to support decarbonization.

Sparking Idea GmbH 

Zurich · Since 2015

The core activity of Sparking Idea is to support companies in their business transformation through strategy development, strategy implementation and coaching. Specifically, the company offers services such as strategy design, business planning, executive coaching, transformation management, project management, process management and organizational development.

Späti AG Ladeneinrichtungen 

Zurich · Since 2014

Späti AG Ladeneinrichtungen designs and delivers shopfitting and shop‑in‑shop solutions through a team of interior architects and planners. Services include project planning, coordination of production, installation and site management, as well as lighting, material, color and acoustic concepts.

SPEKTRUM Partner GmbH 

Zurich · Since 2019

The core activity of Spektrum GmbH is project development, spatial planning, transportation planning and urban planning, particularly the creation of concepts and strategies for urban transformations, as well as advising and supporting clients in the development of projects in these areas.

spektrum Lichtplanung AG 

Zurich · Since 2024

The core activity of spectrums Lichtplanung AG is the planning and implementation of lighting solutions for various application areas, including: interior and exterior lighting design, development of customized lighting fixtures, planning and implementation of lighting and sound systems for events and stages, simulation of daylight for building planning, and consulting and planning of lighting and acoustics for spatial design. The company thus offers comprehensive services in the field of lighting planning and design.

Spilag AG, Zweigniederlassung Zürich 

Zurich · Since 2001

Spilag AG, Zweigniederlassung Zürich supplies professional workwear, corporate workwear collections and product lines such as GastroLine, ClassicLine, PowerLine, SwissLine and SafetyLine. Services include textile leasing and care, locker and entrance‑mat services, an e‑shop and an in‑house design department for company collections.

Spitex 24 AG, Zweigniederlassung Zürich 

Zurich · Since 2017

Spruce Group GmbH 

Zurich · Since 2024

Spruce Group GmbH is a consultancy serving regulated manufacturing sectors, offering services such as validation, quality management, project management and supplier oversight. It supports medical device, pharmaceutical, semiconductor and molecular diagnostics manufacturers with regulatory compliance, process and equipment validation, commissioning/qualification and cybersecurity/compliance services.

SPS Holding AG 

Zurich · Since 2021

SPS Holding AG is a technology-based transformation and outsourcing company providing Enterprise Workplace Solutions and Technology Business Solutions. Its services include data and business process management, customer communications, HR and payroll, office logistics, and automation and AI-enabled solutions.

Stage Coach GmbH 

Zurich · Since 1999

Stage Coach GmbH provides cultural management services including overall project leadership, production management and communications mandates for cultural projects, festivals and institutions. The agency develops concepts, organises tours, concerts and recordings, and advises foundations and cultural organisations.

Star Institut GmbH 

Zurich · Since 2004

The Star Institute company provides educational services, specifically preparation courses for the British Matura, tutoring courses for students, and an online learning platform. The core activity of the company is to support students in their academic education and prepare them for important exams.

Stiftung des Rotary Clubs Oerlikon 

Zurich · Since 2001

Stiftung Ehrenkodex 

Zurich · Since 2017

The company's core activity is the certification of non-profit organizations (NPOs) based on a "Code of Ethics" that combines business criteria and human values. The company provides consulting and certification services to promote and guarantee the transparency, efficiency and sustainability of NPOs, ensuring that these organizations deserve trust.

Stiftung FH SCHWEIZ - zur Förderung des dualen Bildungswegs 

Zurich · Since 2014

Stiftung FH SCHWEIZ - zur Förderung des dualen Bildungswegs is a foundation created by FH SCHWEIZ to promote the dual education pathway. The foundation supports initiatives to promote dual vocational education and is administratively linked to FH SCHWEIZ's office.

Stiftung für Psychotherapie und Psychoanalyse 

Zurich · Since 1979

Stiftung für Psychotherapie und Psychoanalyse promotes psychoanalytic treatment in both theory and practice and operates a psychoanalytically oriented practice community that offers psychoanalysis and psychotherapy.

Stiftung für Sucht- und Gesundheitsforschung 

Zurich · Since 1995

Stiftung für Sucht- und Gesundheitsforschung is a research institute affiliated with the University of Zurich that conducts research and evaluation on addiction and health. The institute covers areas such as epidemiology, prevention, treatment and harm reduction, runs projects across different substance areas, publishes findings and offers continuing education; it is recognized as a WHO Collaborating Centre on substance abuse.

Stiftung für Urologische Forschung 

Zurich · Since 2009

The core activity of the company "Stiftung für Urologische Forschung" is the promotion of research in urology. The company supports and promotes research projects in the field of urology and pursues the purpose of advancing research in this area.

Stiftung Max und Sophielène Iten-Kohaut 

Zurich · Since 2017

Stiftung Max und Sophielène Iten-Kohaut funds medical research focused on cancer, cardiovascular disease, rheumatism and eye disorders and supports projects at the University Hospital of Zurich (adults), with a preference for applied research and early-career researchers. After awarding grants for 2026/2027 the foundation has ceased its activities; individual grants typically lasted up to two years.