Holding Companies

SIPRO Stahl Holding AG 

Schlieren · Since 1989

SIPRO Stahl Holding AG is a steel trading company that distributes steel products worldwide, including quality, stainless and construction steels as well as reinforcing steel, semi-finished products, plates, bar and wire. The company provides logistics and supply‑chain services, uses electronic data interchange (EDI) and track‑and‑trace capabilities, and holds quality-related certifications.

SMARTENERGY Group AG 

Wollerau · Since 2019

SMARTENERGY Group AG is a private investment firm specializing in investments and development in renewable energy and adjacent business areas.

Solidis Holding AG 

Olten · Since 2014

Solidis Holding AG provides auditing, tax and fiduciary services as well as business services and outsourcing. The firm serves SMEs, pension funds, municipalities, non-profit organisations and private individuals and also offers real-estate related services and mandate administration such as domicile addresses, board and executor mandates.

Spuag Holding GmbH 

Zweisimmen · Since 2013

Spuag Holding GmbH provides building-technical services including plumbing, heating systems, metal roofing (sheet metal work) and lightning protection. Services include new installations, renovations, repairs, project planning and coordination, and a 24/7 emergency on-call service.

Stampfli Wicki Holding AG 

Derendingen · Since 2021

Stampfli Wicki Holding AG is a real estate developer and construction partner that develops and sells turnkey residential projects, including single-family homes and condominiums. The company provides planning, construction and advisory services throughout the purchase and building process, uses payment schedules tied to construction progress, and hands over properties with an SIA-standard guarantee.

Staub Beteiligungen AG 

Thörigen · Since 2016

Staub Beteiligungen AG provides fiduciary and accounting services, including tax advice, payroll administration and corporate consulting, and handles debt collection and insolvency matters. The firm also offers audit-related support and online client resources.

STERIMED Industries Holding SA 

Lausanne · Since 2014

STERIMED Industries Holding SA designs and manufactures sterilisation systems for medical devices, including steam and ethylene oxide technologies. The company provides maintenance, calibration, revalidation, revamping, spare parts supply and turnkey projects covering utilities, automated handling, pre- and post-conditioning systems and gas treatment solutions.

Stiftung Chinderhus Strahlegg 

Fideris · Since 2013

Stiftung Chinderhus Strahlegg provides socio-pedagogical residential care for children and adolescents who cannot live at home for an extended period. The institution accommodates up to 12 children from preschool to school leaving, offers supported living for up to three youths during vocational training, individual rooms, a team of qualified social educators, and supervised leisure and workshop facilities; residents attend local public schools.

Stöckli Finance AG 

Unterlunkhofen · Since 2020

Stöckli Finance AG provides construction and civil engineering services, including building construction, earthworks and demolition, concrete milling and core drilling, as well as site and landscaping works.

SwissChuck Holding AG 

Effretikon · Since 2013

SwissChuck Holding AG develops and manufactures high-precision workholding devices and clamping systems for industrial machining. The company supplies components such as chucks, clamping cylinders, rotary feedthroughs and jaws, provides custom workholding solutions, and offers engineering, assembly, sales and service.

SWISS KRONO Holding AG 

Lucerne · Since 1988

team-events holding gmbh 

Burgdorf · Since 2019

team-events holding gmbh arranges corporate events and organizes event programmes, including team-building activities, experiential workshops and themed occasions. Services include coordinating programmes, restaurant selection, transfers and accommodation, and issuing gift vouchers.

Testa Holding AG 

St. Moritz · Since 1991

Testa Holding AG is a real estate company that lists properties for sale and for rent and presents reference projects.

Theodor Burckhardt AG 

Basel · Since 2011

Theodor Burckhardt AG manufactures precision parts, tools and machines for perforating and fibrillating processes and provides related services. Its offerings include perforating rings and tools, fibrillating bars and systems such as the Easy Open System, with applications across packaging, pharmaceutical, automotive, non-wovens and technical textiles.

thurmed Management Services AG 

Frauenfeld · Since 2014

TRALOG Holding AG 

Kreuzlingen · Since 2022

TRALOG Holding AG provides international transport logistics and freight forwarding services, including groupage and full-load transports, parcel and express services, and project and heavy transports. The company also offers warehousing and distribution, courier services and customs clearance, operating a customs office at the Autobahnzollamt Kreuzlingen; fiscal representation is available via the subsidiary INTRALOG GmbH.

Ultradécolletage Holding SA 

Court · Since 2013

Ultradécolletage Holding SA supplies watchmaking components and high-precision turning services, offering design, machining and finishing of small mechanical parts. It machines materials up to 22 mm diameter, performs heat treatment, decoration and assembly, and provides in-house quality control for sectors such as horology, connectors, micromotors, dental and laboratory consumables.

Ultrafilter Holding AG 

Zurich · Since 2007

Ultrafilter Holding AG supplies filtration products and system components for industrial and process filtration, including filter elements for compressed air, gas and liquids as well as filter housings. The product range also includes dryers, oil/water separators, condensate drains, measurement technology and related services.

Unternehmensstiftung der Uster AG, Planer + Architekten, Immobilientreuhänder 

Wädenswil · Since 2009

Unternehmensstiftung der Uster AG, Planer + Architekten, Immobilientreuhänder is a charitable foundation; part of the profits generated by Uster AG is paid as dividends to the Maria and Heinrich Th. Uster Foundation. The foundation supports projects to improve environmental and living quality (energy, air, noise), revitalises brownfield, open and settlement areas, and contributes to vocational training in environmental and spatial planning, architecture and real estate.

Unternehmensstiftung thuba 

Allschwil · Since 2021

Unternehmensstiftung thuba provides explosion protection solutions and supplies certified explosion-protected devices and components for sectors such as chemical, energy, aerospace, machinery, refrigeration and food. Its products and services include installation materials, control systems, electrical heaters, pipe and tank trace heating, luminaires, seminars and technical services, as well as custom-configured solutions.