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Somos (Switzerland) Sàrl 

Lausanne · Since 2014

Somos (Switzerland) Sàrl is a privately held company focused on creating, developing and scaling sustainable technology platforms. It partners with founders, operators and strategic partners across areas such as energy, infrastructure, real assets and agribusiness, and may make proprietary capital participations tied to operational engagement; it does not provide regulated financial or investment services.

SONEXOS SA 

Lausanne · Since 2022

The core activity of Sonexos is the development and delivery of advanced solutions for audio enhancement, noise and vibration control in the consumer, transportation, automotive and industrial sectors. In particular, the company focuses on the development of high-performance audio technologies and acoustic solutions, such as plasma panel technology, which enables active sound absorption in enclosed spaces.

SONIMAX informatique, J. Sinnathamby 

Lausanne · Since 2003

SONIMAX informatique, J. Sinnathamby provides computer repair and diagnostics, virus and spyware removal, and hardware/software backup and data recovery services. The business also offers network installation and maintenance, sales of new and used PCs and accessories, IT training, and responsive web design.

Sonrysa Partners SA 

Lausanne · Since 2011

Sonrysa Partners SA places IT and digital consultants and designs and delivers IT projects. Its services include infrastructure & cloud, ERP, technology solutions (integration, business intelligence, data science) and cybersecurity.

Sonrysa SA 

Lausanne · Since 2012

Sonrysa SA supports the acceleration of IT and digital projects. The company sources and provides technology professionals (staff augmentation, missions or project engagements) and delivers services in infrastructure & cloud, enterprise resource planning, technology solutions and cybersecurity, including recruitment and mission follow‑up.

Sophos Hotels SA 

Lausanne · Since 2006

The core activity of Sophos Hotels SA is expertise and hotel management, particularly in the development, asset management and operational management of hotels, as well as consulting and supporting investors in the opening and management of hotels. The company also offers services such as revenue management, procurement, architecture and interior design.

So Picanha Sàrl 

Lausanne · Since 2024

So Picanha Sàrl provides Brazilian churrasco catering and rodizio service for events and private celebrations, offering a selection of skewered meats, hot and cold buffets, and grilled pineapple dessert.

Sorachim, société de recherches, d'études et d'applications chimiques et biologiques S.A. 

Lausanne · Since 1975

The core activity of Sorachim is the development, manufacture and distribution of diagnostic reagents, enzymes and chemicals for the production of high-quality diagnostic products, particularly for clinical chemistry. The company also provides technical support and consulting services to customers to support them in the production and application of their diagnostic products.

Space Sustainability Rating 

Lausanne · Since 2023

The company's core activity is the development and management of the Space Sustainability Rating (SSR), an assessment system for the sustainability of space missions and operations. The company provides a platform for evaluating and improving the sustainability of space activities and collaborates with partners from industry, research, and politics to promote the sustainability of space.

Spacetalk SA 

Lausanne · Since 2023

The core activity of Spacetalk SA is the development and implementation of digital platforms and solutions for the space industry, particularly in the areas of Space Situational Awareness (SSA), security, data management and communication. The company offers expertise in Space Law, IT infrastructure, digital design engineering and lobbying as well as reputation management. It works closely with international organizations, such as the European Space Agency (ESA) and the United Nations, to develop innovative solutions for the peaceful use of space.