Holding Companies

Demke Holding GmbH 

Wil Sg · Since 2013

Demke Holding GmbH designs and manufactures DC/DC converters and power-electronic modules, providing standard and custom solutions as well as development services. The product range includes non-isolated and isolated buck/boost converters, THT variants and configurable DC/DC modules for applications such as e-mobility, robotics, material handling and rail systems.

DENTIA Holding SA 

Geneva · Since 2011

DHG Holding AG 

Zollikon · Since 2017

DHG Holding AG is a real estate and construction company that develops, constructs and manages projects across the full property lifecycle. The group provides development, construction, real-estate management, facility and hospitality services and operates projects in Switzerland, the UAE and Serbia, including a Dubai-focused subsidiary, DHG Properties.

Edidact Holding SA 

Sion · Since 2020

Edidact Holding SA operates an online educational platform offering interactive exercises and games for children aged 4–15, aligned with the curriculum used in French-speaking Switzerland. The service includes automated corrections, instructional videos, downloadable PDF worksheets, real-time progress tracking and teacher support, with read-aloud instructions available for learners with specific needs.

Egelsee Holding AG 

Altendorf · Since 2017

Egelsee Holding AG is a corporate group active as an investor and developer in the real estate market. Through subsidiaries such as Egelsee Immobilien AG, Egelsee Generalunternehmung AG and Egelsee Invest AG it carries out acquisition, feasibility and concept studies, financing, turnkey construction and marketing of residential and development projects, and offers investment participation and shareholder models, including via the Daura platform.

Emch+Berger Holding AG 

Bern · Since 1998

Emch+Berger Holding AG provides planning, consulting and project management services for the construction sector. The company delivers interdisciplinary services across infrastructure, real estate, structural engineering, energy and environment, mobility and traffic, and surveying, supporting projects from concept to completion.

Enerprice AG 

Root D4 · Since 2022

Enerprice AG is an independent, owner-managed energy services firm that supports Swiss businesses with energy monitoring and the sustainable optimisation of energy procurement. Its services include energy procurement (electricity, natural gas, heating oil, wood pellets, origin certificates and CO2 certificates), consumer data management and billing, energy efficiency and decarbonisation consulting, photovoltaic services and support with subsidy programmes.

Engineering, Società di partecipazioni SA 

Locarno · Since 1970

Engineering, Società di partecipazioni SA is an engineering firm providing integrated planning and engineering services for energy, infrastructure and environmental projects, including hydropower, underground construction, water engineering and civil engineering.

Eniwa Holding AG 

Buchs Ag · Since 2000

Eniwa Holding AG is an energy service provider supplying electricity, gas, heat, cold and drinking water and operating network services. Its services also include building technology (electrical installations, solar systems, e-mobility, building automation), digital services (fiber/FTTH, internet, datacenter, cloud), energy consulting and area/project solutions.

Enzo Life Sciences Europe AG 

Lausen · Since 2009

Enzo Life Sciences Europe AG distributes and supports Enzo life-science products and services, focused on labeling and detection technologies. Its offering includes reagents and platforms for genomic, protein, cellular and tissue analysis, such as antibodies, immunoassays (ELISA), RNA probes and GMP/custom manufacturing services.

E. Zimmermann Holding AG 

Willisau · Since 2023

E. Zimmermann Holding AG manufactures wooden and wood‑metal windows and doors for new construction and renovation, and produces special shapes such as round, slanted, or oval windows. Services include production, maintenance and repair, glass replacement, burglary‑resistant features and insect protection.

FIDES Holding AG 

Zurich · Since 2020

FIDES Holding AG is an investor with a buy-and-hold strategy that seeks majority stakes in small and mid-sized companies in the food, luxury & consumer goods and technology innovation sectors. It provides equity and hands-on operational and strategic support to enable transformation, growth and market expansion, leveraging networks in Europe and Asia.

Forbo Holding AG 

Baar · Since 2006

Forbo Holding AG is a manufacturer of flooring systems, building and construction adhesives, and power transmission and conveyor belt solutions. The group includes the Flooring Systems division (linoleum, vinyl, textile and entrance flooring), the Movement Systems division (Siegling conveyor and power transmission belts) and the Eurocol brand for adhesives and levelling compounds.

F. Preisig Holding AG 

Zurich · Since 1986

F. Preisig Holding AG provides civil engineering and project planning services. Its offerings include transport infrastructure, traffic planning, structural and building engineering, environmental/energy/water projects, construction consulting and project management, and ground stabilization.

Framed group SA 

Vétroz · Since 2023

Framed group SA distributes medical and orthopedic products to institutional customers such as clinics, medical practices and orthopedic technicians. The offering is organised by body area, includes a paediatric line and OnePlus XXL items, and represents manufacturers (for example Orliman, Graphite Medical, Aspen MP); orders are accepted online or by phone with delivery via DPD.

Franz Kempf Beteiligungen GmbH 

Altdorf Ur · Since 1996

Franz Kempf Beteiligungen GmbH provides plastering and stucco services, including drywall work, tile and natural stone installation, and façade insulation. The company delivers services for new construction, conversions and renovations and maintains a dedicated tiling department with norm-compliant execution.

Fritz Keller Holding AG 

Mönchaltorf · Since 1970

Fritz Keller Holding AG is a contract manufacturer offering full‑service solutions for cosmetics, pharmaceutical and chemical products, including product development, bulk production, filling, packaging and storage/logistics.

GAM (Switzerland) Holding AG 

Zurich · Since 1970

GAM (Switzerland) Holding AG is a global investment platform offering specialist active investment management, alternative investment strategies and wealth management services.

Gartenmann & Partner Holding AG 

Lucerne · Since 1992

Gartenmann & Partner Holding AG is an engineering firm providing specialist services for the building sector, including sustainability consulting, acoustics, building physics, energy concepts, pollutant assessments and fire protection.

GB Silo Holding AG 

Niedergösgen · Since 2010

GB Silo Holding AG is a supplier of enamelled high silos, tanks and silo feed/extraction systems. The company offers enameled steel-plate (Omerastore) silos, silo cutters and feed conveying solutions, together with assembly and service support.