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Scheerer + Partner Architekten AG 

Zurich · Since 1991

The company's core activity is the provision of architectural services, particularly the planning and construction management of new buildings, conversions, renovations and modernizations of buildings, as well as the creation of expert opinions and valuations of property values.

Schilderservice Rhein 

Zurich · Since 2012

The core activity of Schilderservice Rhein is the manufacture and engraving of signs, particularly mailbox signs and doorbell signs, tailored to the individual needs of properties.

SCHWEIZER HIRNTUMOR STIFTUNG 

Zurich · Since 2014

The core activity of the Swiss Brain Tumor Foundation is to support brain tumor research and treatment, as well as to provide support services and assistance to brain tumor patients and their families. This includes financing and supporting research projects, providing information and resources for those affected, and promoting networks and collaborations in the field of brain tumor research and treatment.

Schweizerische Exportrisikoversicherung 

Zurich · Since 2007

The company's core activity is export credit insurance, particularly securing risks for Swiss exporters and financial institutions. The company provides solutions for managing insurance-related risks, including assessing credit risks and developing strategies for minimizing risks.

Schweizerischer Israelitischer Gemeindebund (SIG) 

Zurich · Since 2018

Schweizerischer Israelitischer Gemeindebund (SIG) is an umbrella organisation that represents Jewish communities and advocates their interests to political authorities, institutions and the media. It advises and supports member communities and provides services in prevention and education, security coordination, cultural heritage and kosher food provision.

Scintillae Stiftung 

Zurich · Since 2012

The core activity of Scintillae Foundation is to promote education in developing countries by building schools and school-related facilities in remote areas. To this end, the foundation works with local partners to initiate and monitor projects, and advocates for the rights of children to education in a safe and happy environment.

SCOR Investment Partners Switzerland AG 

Zurich · Since 2023

SCOR SE, Paris, Zweigniederlassung Zürich 

Zurich · Since 2009

SCOR SE, Paris, Zweigniederlassung Zürich is a branch of SCOR SE, Paris and part of a global reinsurance company that provides insurers with a broad range of reinsurance solutions and related services. The group offers Property & Casualty and Life & Health reinsurance and operates an asset management business (SCOR Investment Partners).

SCOR Switzerland Asset Services AG 

Zurich · Since 2019

Seitzmeir Immobilien AG 

Zurich · Since 1963

Seitzmeir Immobilien AG is a real estate company that provides services for buying, selling and managing properties. Its offerings include property marketing, advisory services, tenant services and online tools such as a value analysis and property listings.

Selbstregulierungsorganisation des Schweizerischen Versicherungsverbandes (SRO-SVV) 

Zurich · Since 2011

The company's core activity is the exercise of supervisory and regulatory tasks, particularly in the areas of money laundering and financial market regulation. The company serves as a central point of contact for administrative and regulatory tasks and conducts audits and investigations. It also establishes rules and publishes publications and communications as part of its supervisory and regulatory tasks.

Senacor (Schweiz) AG 

Zurich · Since 2021

Senacor (Schweiz) AG provides business and IT transformation, digitalization and custom software development, delivering end-to-end services from business strategy through application design to operations, with a focus on banking, insurance, automotive and other IT‑intensive industries.

Seniors Group AG 

Zurich · Since 2024

The company SeniorsAtWork offers an online platform for the placement of senior talents with companies. The core activity involves companies uploading their job requirements to the platform, which then uses AI-powered search to find suitable candidates and make them available to companies. The platform enables companies to directly contact candidates and optimize the selection and screening process. Additionally, the company also offers payroll and insurance administration services.

SET Swiss Energy Trading AG 

Zurich · Since 2009

The core activity of SET Swiss Energy Trading AG is the trading of energy products, particularly natural gas, biogas, certificates, emission certificates, origin guarantees and oil. The company also offers services such as market access, white labeling, market analysis, market information, portfolio management, risk management and technical analysis.

Settebello Film GmbH 

Zurich · Since 2016

Settebello Film GmbH develops and produces documentary films on socially relevant topics, emphasizing portraits of people, animals and nature and a poetic cinematic style. The company operates its own editing suite, provides professional film editing services and undertakes commissioned film work, particularly for theatre, art, music and company portraits.

Sherpa Asset Management AG 

Zurich · Since 2008

The core activity of Sherpa Asset Management AG is asset management and investment advice, particularly for private and institutional investors. The company offers a wide range of services, including asset management, investment advice, risk management and portfolio optimization. Sherpa Asset Management AG is regulated by the FINMA in Switzerland and its investment vehicles are regulated by the CSSF in Luxembourg.

SHL AG 

Zurich · Since 2003

The core activity of SHL AG is the development and manufacture of plants for automated surface treatment, particularly for grinding, polishing and deburring of workpieces. The company offers complex solutions, including single robot cells, grinding and polishing cells as well as complete production lines and transfer lines, and supports its customers in the planning and implementation of these solutions.

SIA-Haus AG 

Zurich · Since 1967

The core activity of Keller Unternehmungen is the management and administration of various business fields, including engineering, ImRaum, facades, and real estate. The original core business, the production and distribution of bricks, is now handled by Kubrix AG, in which Keller Unternehmungen holds a significant stake. The core activity of SIA-Haus AG is the ownership and management of the building of the same name at Selnaustrasse 16 in Zurich, which serves as the headquarters of the Swiss Engineers' and Architects' Association (SIA). The company does not operate any business and has no employees.

Signet Capital Management AG 

Zurich · Since 2019

The company's core activity is the investment and management of assets, particularly in the areas of private equity, real estate and financial investments. The company focuses on identifying and leveraging long-term growth opportunities and 'megatrends' such as digitalization, healthcare and the environment. It invests in companies and projects that can benefit from these trends and also offers services in the areas of risk management and asset management.

Sihl AI GmbH 

Zurich · Since 2023

Sihl AI GmbH develops solutions to improve the reliability of vision‑language models (VLMs) by using engineered contexts that leverage the full context window, without fine‑tuning or retrieval.

SIMA Immobilien GmbH 

Zurich · Since 2012

The core activity of SIMA Immobilien GmbH is the sale and brokerage of real estate in Switzerland and abroad, particularly in Spain, Ukraine, and Russia. The company offers a wide range of properties, including apartments, villas, and commercial properties, in various price categories and locations in Switzerland and abroad.

sinnovec GmbH 

Zurich · Since 2012

The core activity of sinnovec GmbH is the provision of strategy consulting services, particularly in the energy and sustainability sector. The company supports clients in developing strategies, transformations, and exploring new markets, with a focus on the energy industry. The founder and managing director, Dr. Claudia Wohlfahrtstätter, brings her extensive experience as a strategy consultant, energy expert, and board member to support clients in overcoming challenges and achieving their goals.

Skinspan Technologies AG 

Zurich · Since 2023

Skinspan Technologies AG operates the everskin Skin Lab and provides evidence-based skin analysis, individualized treatment plans, and medical-aesthetic facial treatments. Services include radiofrequency microneedling, chemical peels, biostimulators, autologous blood treatments, skin coaching and a companion app.

DialogFührung GmbH 

Zurich · Since 2011

SMALL STORIES - Ulrich 

Zurich · Since 2014

The company Small Stories primarily focuses on creating and designing magazines, publications, and editorial content for various clients and industries, such as architecture, tourism, gastronomy, and culture. Additionally, the company also offers design and editorial services and operates an online shop where it sells its own products and publications.

Smart Creation Global GmbH 

Zurich · Since 2010

Smart Creation Global GmbH is a consulting and investment company specializing in supporting small and medium-sized enterprises (SMEs) and startups. The company's core activities include: Strategic Consulting: Supporting the revision and development of business models, identifying opportunities and potential, and building and expanding businesses. Marketing and Communication: Optimizing marketing and communication strategies, including content marketing, social media, and events. Investments: Providing capital to companies and actively supporting the optimization of investments. Family and Wealth Consulting: Supporting families and owners of large assets in preserving and creating value, including the development of family values and the implementation of entrepreneurial strategies. Overall, the company focuses on supporting companies and families in achieving their growth and success potential.

Smart Healthcare Solutions GmbH 

Zurich · Since 2020

Smart Healthcare Solutions GmbH is a consulting firm specializing in the healthcare industry. It provides strategic consulting, business development, interim executive leadership and executive coaching for healthcare, life sciences and MedTech organizations.

SMART Recruiting GmbH 

Zurich · Since 2023

The core activity of SMART Recruiting GmbH is personnel placement and recruitment, particularly the search and selection of skilled and executive personnel for companies. The company offers services such as Active Sourcing, Social Media Recruiting, Talent Sourcing, and direct candidate approach to support companies in filling key positions.

smzh ag 

Zurich · Since 2003

smzh ag is an independent financial services provider offering private and corporate clients comprehensive, tailored advice and services in finance & investments, pensions & insurance, mortgages & real estate, and tax & legal matters. Services include financing and investment advisory and a 360° check-up to analyse clients' financial situations; the company is listed in the FINMA register for insurance intermediaries (Register No. F01086868).

SolarImpact Yacht AG 

Zurich · Since 2006

The company Solar Impact develops and manufactures innovative yachts, in particular the Solar Impact SWATH Yacht, which is based on renewable energy. The core activity of the company lies in the design, production and marketing of solar-powered luxury yachts.

Solenthaler + Vieira Bau GmbH 

Zurich · Since 2023

Solenthaler + Vieira Bau GmbH is a construction company specializing in renovations, refurbishments, and consulting. The core activities include: Renovations: quick and precise renovations with cost control, Refurbishments: renovation of buildings with innovative approaches and tailored solutions, Consulting: support for construction projects and reliable partnership. The company thus offers a comprehensive range of services in the construction sector, from planning and consulting to the execution of renovations and refurbishments.

Sonanini Bau AG 

Zurich · Since 2022

Sonanini Bau AG is the general contractor within the WS Refolio Group and executes construction projects for Walter Sonanini AG and third parties. The company carries out building projects combining design focus and technical expertise, covering planning and execution with attention to quality, schedule and functionality.

Sound Development AG 

Zurich · Since 2002

Sound Development AG is a recording studio and production facility offering mixing capabilities, a control room with professional monitoring, a vocal booth and multiple flexible recording spaces, including a large live room and a basement club/concert area.

Spectris AG 

Zurich · Since 2024

Spectris AG provides high‑tech instruments, test equipment and software for technically demanding industrial applications. The group includes businesses such as Malvern Panalytical, Particle Measuring Systems, Servomex and HBK.

SPitch AG 

Zurich · Since 2014

SPitch AG develops an omnichannel conversational AI platform for enterprises, offering modular products such as Virtual Assistant (voice and text), Speech Analytics, Voice Biometrics, Knowledge Agent, Chat Platform, Agent Assist, Agent Training and Quality Management. The company also provides professional services, strategic consulting and integrations with contact centre, CRM and cloud platforms.

Spitex Herzenssache GmbH 

Zurich · Since 2021

The core activity of Spitex Herzenssache GmbH is the provision of care and support services, particularly in the areas of psychosocial and somatic care, Long Covid & ME/CFS, care for caregiving relatives, and individualized care and support solutions.

SSI Services AG 

Zurich · Since 2022

The core activity of SSI Wealth Management AG is wealth management and consulting for private clients. This includes services such as: Asset Management, Depot Check, Investment Consulting, Discretionary Asset Management, Estate and Pension Planning, as well as Trust and Fiduciary Services, Tax Consulting and Real Estate Management. The company thus offers a comprehensive range of financial services to achieve its clients' wealth goals.

STAHLER. Immobilien AG 

Zurich · Since 2021

STAHLER. Immobilien AG is active in real‑estate development and real‑estate investments. The company develops residential and commercial properties as well as hotels and acts as a long‑term investor, with projects including the Schlotterbeck Areal and developments in Barcelona.

Stark & Cie. SA 

Zurich · Since 2020

The company's core activity consists of three main areas: 1. **Design and Creation**: The company provides design services to support customers in developing market-ready products and creating a unique brand identity. 2. **Consulting**: The company offers consulting services to help customers integrate design thinking into their business strategy and foster a culture of innovation. 3. **Investments**: The company invests in companies that offer innovative and luxurious products or services and share the company's values. The investments are driven by a close relationship between the company and the founders.

Startup Zentrum Zürich GmbH 

Zurich · Since 2010

The company provides comprehensive trustee services and consulting, accompaniment and support in all business, financial and tax matters, particularly in the area of company formation and management. The core activity includes supporting founders and entrepreneurs in setting up and running businesses, including selecting the appropriate legal form, creating founding documents and accompanying the registration in the commercial register.

Stebler AG, Vermögensverwaltung 

Zurich · Since 2003

The core activity of Stebler AG is wealth management and financial consulting for affluent private individuals and institutional clients both domestically and abroad. The company provides independent wealth management and financial consulting services and manages its clients' assets on the basis of a management mandate with limited power of attorney, tailored to the individual client's specifications.

Stephanie Furger Entwicklung von Menschen und Organisationen 

Zurich · Since 2017

Stephanie Furger Entwicklung von Menschen und Organisationen provides individual coaching, team development and themed workshops and retreats, using relational and somatic approaches to support personal and organisational change.

Steuer-Bilanz-Treuhand AG 

Zurich · Since 1972

Steuerrechtspraxis Melena 

Zurich · Since 2023

The company's core activity is tax consulting for companies and associations, including the preparation of tax returns, the examination of tax risks, the conduct of audits and support with tax-related matters.

Stiftung Corymbo 

Zurich · Since 2002

The core activity of the company "Stiftung Corymbo" is the promotion of social, cultural and ecological projects in Switzerland and internationally through the allocation of foundation funds.

Stiftung Drittes Millennium 

Zurich · Since 1997

The core activity of the "Stiftung Drittes Millennium" foundation is to promote and support projects that focus on topics such as health, sustainability, environment, education, and social change. The foundation specifically concentrates on promoting projects that address the interfaces between environment and health, health promotion and prevention, sustainable nutrition, and education. It provides financial support, consulting, and networking opportunities for projects that pursue these goals.

Stiftung Interfeminas, Gertrud Heinzelmann 

Zurich · Since 2002

Stiftung Interfeminas, Gertrud Heinzelmann supports publications on women's and gender studies, equality and feminist objectives in political, societal or church-theological contexts. The foundation focuses on supporting publishing activity rather than funding research or manuscript preparation, and publications must demonstrate a Swiss relevance; it is active in the German-speaking part of Switzerland and accepts applications via an online form.

Stiftung Lyra zur Förderung hochbegabter, junger Musiker und Musikerinnen 

Zurich · Since 1995

The core activity of the Lyra Foundation is the promotion of young musical talents through the awarding of scholarships and the organization of concert performances.

Stiftung Menschen für Menschen - Karlheinz Böhms Äthiopienhilfe 

Zurich · Since 2002

The company's core activity is to support and promote projects and initiatives aimed at helping poverty-stricken people in Ethiopia and sustainably improving their living situation. This includes, among other things, providing school materials and food, supporting self-help projects, and promoting sustainable development. The company offers various opportunities for companies and private individuals to participate in these activities, such as through donations, partnerships, and project support.

Stiftung Professor Dr. Max Cloëtta 

Zurich · Since 1973

The company's core activity is the promotion and support of medical research, in particular through the awarding of scholarships and prizes, as well as the support of research projects in the field of clinical medicine.