Holding Companies

Trewitax AG 

Kreuzlingen · Since 2005

Trewitax AG is a fiduciary and advisory firm offering fiduciary services, statutory and special audits, and tax consulting. Services include accounting and payroll, tax returns and tax planning; the firm operates across the D‑A‑CH‑S region through an alliance and is a member of Geneva Group International.

TS INTERNATIONAL CONSULTING GmbH 

Meggen · Since 2010

TTI Technology Trade and Investments SA 

Delémont · Since 2010

The core activity of TTI (Technology Trade and Investments SA) encompasses three main areas: 1. **Technology Trade and Development**: The company provides consulting and management services for the sale and development of technologies, both in the Business-to-Business (B2B) and Business-to-Government (B2G) sectors. 2. **International Trade and Distribution**: TTI trades in Swiss products (Swiss Made or Swiss Quality) such as bioproducts, branded goods, and white-label products, and offers them internationally. 3. **Investments and Financial Services**: The company offers private banking services, real estate investments, and consulting services for capital procurement.

TVD Management Holding AG 

Thun · Since 2011

VAREM Holding AG 

Immensee · Since 2014

VAREM Holding AG develops and executes real estate projects, guiding them from concept through to sale. Its activities include project development and delivery for residential, commercial and hotel properties, along with energy-related services and project management.

VarioSoft Holding AG 

Bern · Since 2013

VarioSoft Holding AG develops and supplies practice management software and related IT solutions for medical, dental and chiropractic practices, including the mFmed EVOLUTION, mFdent EVOLUTION and mFchiro EVOLUTION product lines. The company also provides hardware and software configuration, installation, training, support services and integrations with services such as TrustX, MediData and Covercard.

Ventinox GmbH 

Jegenstorf · Since 2014

Ventinox GmbH supplies smoke-extraction and flue-gas fans for fireplaces, grills, heating systems (wood, oil, gas) and industrial exhaust applications. The company offers installation fans, medium-pressure fans, controllers, heat exchangers, and provides consulting, service and repair.

Vertical Access Group SA 

Semsales · Since 2024

Vertical Access Group SA is a provider of occupational health and safety services and rope-access work at height. Services include rope-access interventions, safety audits and consulting, fall-protection training, inspection and supply of personal protective equipment, and architectural project support and site supervision.

Weitnauer Holding AG 

Basel · Since 2003

Weitnauer Holding AG is a distribution and brand services company providing logistics and market-entry solutions for duty‑free and local retail channels. Its services include distribution and 3PL, marketing and sales, market analysis and strategy, finance and reporting, IT/digital solutions and after‑sales support across categories such as perfumes & cosmetics, beverages & spirits, tobacco, food, watches and accessories.

Werco Holding GmbH 

Lucerne · Since 2015

Werco Holding GmbH trades commodities, dealing in concentrates and ores as well as refined and semi-refined metals including lead, zinc, gold and copper. It handles processing and transaction management such as financing, transport and insurance, and extends activities into logistics, production, real estate and financing.

Windlin Holding AG 

Kerns · Since 2010

Windlin Holding AG is part of the Windlin group, which operates businesses for passenger cars and commercial vehicles and provides sales and workshop services. Offerings include new and used vehicle sales, repairs and maintenance, commercial vehicle rental, and additional services such as pickup/drop‑off service, tyre storage and professional vehicle care.

Wohngemeinschaft ANDOH Holding GmbH 

Solothurn · Since 2019

W & P Group AG 

Stansstad · Since 2011

W & P Group AG is a holding company that brings together subsidiaries providing engineering and building services (energy engineering, HVAC, plumbing, building automation, BIM) as well as renewable and sustainable energy solutions including consulting, planning and monitoring.

Wullschleger Martinenghi Manzini Holding SA 

Lugano · Since 2000

Wullschleger Martinenghi Manzini Holding SA provides services in tax and business advisory, trust services, wealth management and real estate management.

XEEO Holding AG 

Wilderswil · Since 2023

XEEO Holding AG provides planning, installation and maintenance of photovoltaic systems, battery storage and solutions for self-consumption optimization. Services include rooftop and in-roof solar installations, storage technologies, control systems and ongoing service/maintenance.

XEEO Holding AG 

Belp · Since 2018

XEEO Holding AG designs and installs photovoltaic systems, provides energy storage solutions and self-consumption optimization systems, and offers maintenance and service for solar installations.

Züblin Immobilien Holding AG 

Zurich · Since 1972

Züblin Immobilien Holding AG is a real estate company that invests in and manages office properties. Its investment approach focuses on assets with durable building quality, configurable office space and a diversified tenant mix.

Blumenau Holding AG 

Bauma · Since 2025

Blumenau Holding AG — the website presents the Altersheim und Pflegeheim Blumenau, which offers residential nursing care, supported living, day places, professional nursing services and hospitality, and provides information on fees and contact options.

FC Basel Holding AG 

Basel · Since 1997

Stadtcasino Baden AG 

Baden · Since 1985

Stadtcasino Baden AG operates the Grand Casino Baden, offering casino gaming such as roulette, table games, poker tournaments and slot jackpots, with an online presence via Jackpots.ch. It also hosts events, runs on-site restaurants and operates a guest club (Grandwinner).