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Sofico, Société fiduciaire d'études et d'expertises comptables S.A. 

Lausanne · Since 1962

The core activity of Sofico SA is the provision of fiduciary services, including: accounting activities, tax consulting activities, and auditing (revision and examination of financial reports). The company thus offers financial management and consulting services, particularly for companies and private individuals.

Sogeni S.A. 

Lausanne · Since 1970

The company's core activity is the provision of services in the field of inheritance research and management, including: searching for heirs and beneficiaries, locating missing persons, targeted search for assets, creation of inheritance plans, verification of succession, liquidation of estates, and historical and family genealogy. The company offers these services primarily to banks, insurance companies, administrators, notaries, lawyers, and private individuals.

Sogeprom Développement Sàrl 

Lausanne · Since 1998

Sogeprom Développement Sàrl is a real estate developer that plans and delivers residential projects. The website lists ongoing and completed residential developments featuring apartments in PPE (condominium ownership).

Sogeprom Immobilier Sàrl 

Lausanne · Since 1998

Sogeprom Immobilier S.à r.l. develops and delivers residential real estate projects and markets apartments sold as condominium units (PPE). The website presents current and completed housing projects with basic project details such as number of apartments.

Sogeprom Investissement Sàrl 

Lausanne · Since 1999

SoHHytec SA 

Lausanne · Since 2020

The core activity of SoHHytec is the development and provision of sustainable technologies for the production of green hydrogen and renewable energy, particularly for use in various industries such as the chemical industry, space sector and micro-grid provision. The company focuses on the development of patented technologies that offer a cost-effective and environmentally friendly solution for the production of green hydrogen and renewable energy.

Solan prod Sàrl 

Lausanne · Since 2016

The core activity of Solan Prod is the production of documentary films, particularly in the field of science communication and popularization. The company creates films for various purposes, including education, research, and public relations, and collaborates with institutions such as the EPFL (École polytechnique fédérale de Lausanne).

Solartech concept SA 

Lausanne · Since 2024

The core activity of Solartech Concept SA is the planning, installation and maintenance of renewable energy systems, particularly solar systems, as well as providing services in the field of energy efficiency and security. The company offers its customers a comprehensive range of services, from consulting and planning to the installation and maintenance of systems, to ensuring safety and efficiency.

Solken Quantitative Research SA 

Lausanne · Since 2021

The core activity of Solken is the development and application of quantitative research methods and mathematical models for the analysis and optimization of investment strategies, particularly in niche financial markets such as the market for convertible bonds. To this end, the company provides consulting services for asset management communities.

SoMICE Sàrl 

Lausanne · Since 2010

SoMICE Sàrl is an agency for the design and organization of corporate events, focusing on meetings, incentives, congresses and events. It provides personalized support, logistical management for congresses and medical events, and tailored services for corporate occasions delivered by a multilingual team.