Holding Companies

SES Sterling Industrie-Holding AG 

Mariastein · Since 2010

SES Sterling Industrie-Holding AG is an industrial group specializing in the processing of plastics and rubber and in the development, production and marketing of wiring and cable accessories. Its product range includes conduits, sleeves, cable glands, identification and marking solutions, trunking, cable ties and installation tools; the company supplies standard and bespoke solutions via an international distribution network and holds ISO 9001 certification.

Sipaec Holding SA 

Geneva · Since 2015

Sipaec Holding SA distributes cleaning chemicals, cleaning machines and accessories and provides related customer services. Its services include technical advice, training and sales support for professional and private customers.

SKZ Nederfield Holding AG 

Hilterfingen · Since 2022

SKZ Nederfield Holding AG is a consultancy and management services firm that provides entrepreneurial expertise, supports startups and can invest on a case-by-case basis. The company runs strategic and operational projects in IT, reorganization, mergers & acquisitions and product launches, and supplies experienced interim managers.

Socfinco FR SA 

Fribourg · Since 2010

Socfinco FR SA provides technical, agronomic and financial assistance services for companies in the agricultural and plantation sector.

Songwon Group Holding AG 

Frauenfeld · Since 2006

Songwon Group Holding AG is a manufacturer and supplier of specialty chemicals and additives. Its product range includes polymer stabilizers, fuel and lubricant additives, coatings additives, TPU/SPU and tin intermediates/PVC additives, serving industries such as packaging, automotive, construction, agriculture, textiles, electronics and lubricants.

SPAENI Holding AG 

Pfäffikon Sz · Since 1976

SPAENI Holding AG develops, delivers and markets real estate projects; the company acquires land and buildings, carries out project development and executes projects as a general contractor.

Speiser Holding GmbH 

Thun · Since 2024

Sportschule Holding GmbH 

Dürnten · Since 2016

Sportschule Holding GmbH is a state‑approved private school that combines academic education with structured athletic training, offering programs for 6th grade, lower secondary (1st–3rd year) and an international Matura. It provides sport-specific training (e.g. tennis, golf, riding, polysport), extracurricular services such as tutoring and lunch programs, and facility rentals.

Stampfli Group Holding AG 

Subingen · Since 2018

Stampfli Group Holding AG is a full-service provider of facility and property management, offering services such as routine and specialist cleaning, technical building management, security, infrastructure and sensor-based smart FM solutions.

St-Paul Holding SA 

Fribourg · Since 2011

St-Paul Holding SA is the company responsible for managing the Groupe Saint-Paul’s transversal activities and providing central services. Its main departments are human resources, finance and IT, covering recruitment and personnel administration, accounting and treasury processes, and IT infrastructure, software projects and user support.

Sunnen Europe Holding AG 

Ennetaach · Since 1996

Sunnen Europe Holding AG supplies precision bore-sizing systems and related equipment, including honing machines, tube hones, lapping and deep-hole drilling systems, plus tooling, abrasives, oils and precision gages. Its products and services target sectors such as hydraulics, energy, aerospace, automotive, mechanical engineering, mold and tool making, and medical equipment.

Swiss Expert Group SA 

Plan-Les-Ouates · Since 2012

Swiss IP Partners Holding AG 

Zumikon · Since 2013

Swiss Precision Tools GmbH 

Orvin · Since 2024

The core activity of USIMEDUR SA is the high-precision processing of hard metal and ceramic for various applications, particularly the manufacture of precision tools and parts. The company offers innovative solutions and services in precision processing, including the production of special custom-made products and the development of tailored solutions for customers.

Télé-Restaurant Management SA 

Onex · Since 1968

Télé-Restaurant Management SA is a company that creates and manages restaurants and hotels and provides management and consultancy services in the restaurant and hospitality sectors. Its services include operating or managing establishments for third parties, audits and feasibility studies, concept design and conversions, and accounting and financial management.

Tenconi Holding SA 

Airolo · Since 2020

Tenconi Holding SA is an industrial company offering manufacturing and engineering services for the railway, metalworking and energy sectors. Its activities include production of components for rail infrastructure and rolling stock, metal and steel constructions, project management and technical support services.

Tetra Laval Holdings & Finance SA 

Pully · Since 1970

Thomas Künzi Holding AG 

Zug · Since 2010

Tifina Holding SA 

Lugano · Since 1975

Traumgut Holding AG 

Cham · Since 2009

Traumgut Holding AG operates in the real estate sector, investing in housing and student accommodation and providing financing for startups. The company develops affordable housing and all‑inclusive student concepts (WiFi, facility management, laundry service, study boxes) and offers startups financial backing plus structural, legal and administrative support; it also seeks suitable development land across Switzerland.