Holding Companies

Maltech Holding AG 

Rümlang · Since 2023

Ramseier Holding AG 

Bern · Since 1994

Ramseier Holding AG is a construction group offering new-build, refurbishment and renovation projects as well as project development and general contracting services. Services include façade work, timber construction, insulation, plastering, joinery, roof coverings and photovoltaics, together with natural stone and stonemasonry work; the company serves private and institutional clients as well as architects and engineers.

Sonova Holding AG 

Stäfa · Since 1985

Sonova Holding AG develops and markets hearing care solutions, including hearing instruments, cochlear implants, consumer hearing products and audiological care services delivered through multiple brands and distribution channels.

Take a Wey Management AG 

Rothenburg · Since 2010

Take a Wey Management AG is a sheet-metal roofing and facade construction company carrying out new installations, renovations and repairs. The company assists with planning for clients and architects and works with a range of materials and joining techniques.

Tonini Motors Holding Sagl 

Chiggiogna · Since 2013

Tonini Motors Holding Sagl offers purchase, sale and trade of motor vehicles as well as repair and after‑sales services; the company is an authorised Kubota dealer and supplies agricultural machinery. It performs vehicle outfitting and metal‑construction work and provides spare parts, roadside assistance, vehicle recovery and winter services.

Visana Beteiligungen AG 

Bern · Since 2000

Visana Beteiligungen AG is an insurance company offering health, pension, household and other insurance products as well as related services.

Aroba Immobilien AG 

Wallbach · Since 2016

Aroba Immobilien AG provides personnel leasing for assembly and site staff and performs pipeline construction work, including fitters, welders and heating/plumbing technicians. The company operates its own workshop and executes lump-sum and time-and-material contracts for industrial pipeline projects.

Bernegger Holding AG 

Grabs · Since 2023

Bernegger Holding AG provides timber construction and planning services, offering system timber construction, building envelopes, carpentry and interior fit-out, blown-in insulation, photovoltaic installations and lifting/crane services.

Contrinex Holding SA 

Corminboeuf · Since 2013

Elektromotorenwerk Brienz Holding AG 

Brienz Be · Since 2007

Elektromotorenwerk Brienz Holding AG manufactures and supplies electric motors, gearboxes and frequency converters, including IEC‑standard and special motors. The company operates a test and trial laboratory and provides customer service, a hotline and training.

GLA Holding GmbH 

Baar · Since 2018

GLA Holding GmbH develops strategies, designs brand identities, builds digital platforms and executes marketing campaigns. Services include brand development, content production, performance marketing and the conception of digital business models.

Losinger Holding AG 

Lucerne · Since 1998

Losinger Holding AG is a construction and real estate company that develops, delivers and operates buildings and neighbourhoods across the property value chain. Its services include project development, construction for residential, industrial and healthcare sectors, and measures for sustainability and climate resilience.

Prandini Holding AG 

Weinfelden · Since 2021

Prandini Holding AG is a building services company providing planning and installation of heating, ventilation and sanitary systems. Its services include consultation, project planning, installation, maintenance and repairs, as well as solutions such as heat pumps, solar thermal and photovoltaic systems and water treatment.

Provet Holding AG 

Lyssach · Since 1974

Provet Holding AG supplies veterinary products, pharmaceuticals, pet food and accessories via an online shop for veterinary professionals and provides practice supplies, service solutions, seminars and repair/customer services.

Romano Holding GmbH 

Frauenfeld · Since 2012

Romano Holding GmbH carries out installation and finishing work for ceramic and natural stone surfaces and provides consultation and showroom services. Offerings include ceramic slabs, kitchen coverings, seamless coverings, mosaics, façades, bathroom furniture and related cleaning products for new builds and renovations.

Scheuchzer Rail SA 

Bussigny · Since 2021

Scheuchzer Rail SA is a railway infrastructure company that provides machine-based track maintenance and renewal and that designs, manufactures and operates specialized track machines. Services include rail grinding, track maintenance, refurbishment and replacement works, general contracting for track projects, small maintenance tasks and stabilization/reinforcement systems.

Witschi Group AG 

Langenthal · Since 2005

Witschi Group AG provides construction services including building construction, civil and road works, renovation, and flooring and coating solutions, and offers transport and waste-disposal services. Its services also include construction management and a 24/7 emergency building service (Witschi24).

Alvazzi Holding SA 

Romanel-Sur-Lausanne · Since 1970

Alvazzi Holding SA provides multi‑technical building services including heating and cooling, ventilation and air conditioning, sanitary installations, measurement‑control‑regulation systems, electrical and telematics work, sheet‑metal/roofing, building automation, maintenance and energy management.

Davaz Holding AG 

Fläsch · Since 2011

Davaz Holding AG produces and sells wines and operates the Weingut DAVAZ brand and an online shop. Its activities include a range of AOC wines, public tastings and events, and measures to support sustainable viticulture and biodiversity.

Ennio Ferrari Holding SA 

Lodrino · Since 2018

Ennio Ferrari Holding SA is a construction company providing building and general contracting services, civil engineering, paving and railway works. The company’s services also include asbestos remediation and real estate activities.