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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.