Holding Companies

O. Wyss AG Holding 

Eggiwil · Since 2021

O. Wyss AG Holding is a company in the construction sector that carries out building and civil engineering projects. The organisation also operates an inert-material landfill, runs a concrete-shaft (Betonschächte) business and lists real estate properties.

Parfi Holding SA 

Fribourg · Since 1978

Parfi Holding SA provides services in real estate project management, architectural design and construction engineering. Services include owner’s representation/assistance (AMO/RMO), architectural conception and construction management (DT/ET), renovation and conversion expertise, technical and financial assessments, and BIM-based facility management documentation.

Phoenix Mecano Management AG 

Kloten · Since 1990

The core activity of Phoenix Mecano is the development, manufacture and distribution of industrial components and system solutions, particularly in the areas of enclosure technology, industrial digitization, modular automation and drive, system and fitting technology for electrically adjustable comfort and care furniture. The company focuses on supplying customers with niche products and system solutions that are not considered strategic, and offers its customers a comprehensive range of components and subsystems to reduce their interchangeability.

Pius Schäfler Beteiligungen und Immobilien AG 

Gossau Sg · Since 1988

Pius Schäfler Beteiligungen und Immobilien AG supplies office supplies and stationery, operates copy and print services and print‑system solutions, and provides interior‑design services while running retail outlets and online shops.

Premium Tools Group AG 

Reiden · Since 2024

Premium Tools Group AG is a distributor and representative for professional hand tools and related brands. Services listed on the company website include private-label solutions, POS (point-of-sale) offerings, logistics support and — via Premium Tools Services AG — an accredited calibration laboratory that repairs, adjusts and calibrates torque tools.

PrimeGroup AG 

Eschlikon Tg · Since 2009

The core activity of PrimeGroup AG consists of participating in and managing subsidiaries, in particular in the areas of real estate (PrimePark AG) and software development (PrimeSoft Group).

PROMERKA Holding SA 

Romanel-Sur-Lausanne · Since 2021

PROMERKA Holding SA provides interior fit-out services and supplies industrial and office furniture. Its activities include turnkey space planning and execution, conversion of containers into living or office spaces, sourcing and sale of furniture via an e‑shop, and project coordination as a general contractor.

Pronto Beteiligungen AG 

St. Gallen · Since 2024

Pronto Beteiligungen AG is a cleaning services company offering specialist building cleaning, maintenance cleaning, facility services and building-services cleaning for business and private clients. Its services include pest prevention, special cleaning (e.g. façades and windows), rental of boom lifts and subscription-based household cleaning services under the 'Pronto Easy' brand.

Proz SA 

Sion · Since 2016

Proz SA manufactures precast concrete elements and standard concrete products for building construction, civil engineering and external/environmental works; services include bespoke prefabrication, internal quality control and delivery logistics.

PwC Holdings Schweiz GmbH 

Zurich · Since 2015

PwC Holdings Schweiz GmbH is a professional services firm offering audit and assurance, tax, legal and consulting services, as well as deals and transaction advisory. It provides services across digital and transformation, ESG/sustainability, risk and trust/fiduciary matters, serving sectors including financial services, healthcare, energy, real estate and industry.

Relex Schweiz AG 

Wilen B. Wollerau · Since 2015

Relex Schweiz AG provides products and services in drive technology, including planetary and worm gearboxes, motors, couplings, and servo drives/controllers. The company supplies standard products, modified components and customised solutions, as well as assemblies and gearing services.

RM Group AG 

Zurich · Since 2014

RM Group AG is a recruitment and services company providing contracting, payroll and managed services for IT specialists and other professionals. Its services include candidate sourcing, payroll administration, contract management, time and effort tracking, and invoicing for clients in banking, pharma, manufacturing, telecom and the public sector.

Roandi AG 

Schmerikon · Since 2001

Roandi AG is a wine retailer and online shop that sells wines from mainly Spanish appellations (e.g., D.O. Valdeorras, Ribera del Duero) and operates an online store with delivery options.

R&S International Holding AG 

Sissach · Since 2012

R&S International Holding AG is a corporate group supplying products and services for electrical infrastructure, including power, distribution and cast-resin transformers, instrument transformers, switches and other electrical components, plus related service and support.

Safe Capital Holding SA 

Lugano · Since 2013

Safe Capital Holding SA is the holding company of the Safe Capital group and functions as the group’s corporate holding entity. Through the operating affiliate Safe Capital Management, the group provides wealth and asset management, investment advisory, portfolio and treasury/asset-liability services to private clients, corporate clients and institutional investors, including mandates for insurance companies.

Sapilub Holding GmbH 

Steckborn · Since 2010

Sapilub Holding GmbH manufactures performance chemicals for the aluminium can manufacturing industry, including slug lubricants for impact extrusion and metal cleaning products. The company also supplies production-technology solutions, advises on wastewater and rinsing-water treatment, and provides technical customer support.

Sarna Plastec Holding AG 

Alpnach Dorf · Since 2007

Sarna Plastec Holding AG is a plastics manufacturer producing custom film- and foam-based solutions for sectors such as packaging and logistics, medical and pharmaceutical, construction, mobility and consumer wellness. The company provides development, prototyping, series production and after‑sales service, using technologies that include film technology, foam technology and fibre-joining processes. Sarna Plastec holds ISO 9001:2015 and ISO 14001:2015 certifications.

SBW Schweizer Beteiligungs-Werte AG 

Zurich · Since 2007

SBW Schweizer Beteiligungs-Werte AG is described on the website as the Stiftung Bauen & Wohnen Zürich (SBW), a nonprofit housing foundation that acquires and manages multifamily residential buildings to preserve affordable housing and to avoid speculative profit.

Schmidlin & Partner Holding AG 

Laufen · Since 2018

Schmidlin & Partner Holding AG is an engineering and planning firm providing services in civil and structural engineering, architecture, structural design, water and river engineering, water supply and surveying.

Schütz & Péclard Holding SA 

Domdidier · Since 2021

Schütz & Péclard Holding SA is an engineering surveying firm providing cadastral and technical surveying, 3D surveys using drones and laser scanners, territorial information system (SIT) solutions, land improvement and environmental services, and civil and rural engineering work.