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VTX Services S.A. Zweigniederlassung VTX Network Solutions 

Schlieren · Since 2017

VTX Services S.A. Zweigniederlassung VTX Network Solutions provides telecommunications and hosting services, offering internet, fixed-line and mobile telephony, TV subscriptions, web hosting and domain services for private customers.

Webzeitschrift.ch GmbH 

Schlieren · Since 2018

Webzeitschrift.ch GmbH operates multiple online magazines and a radio station, producing editorial content on topics such as construction and housing, leisure, lifestyle, employment and market information. The publisher runs themed media portals that report on services and products offered by businesses.

WELM GmbH 

Schlieren · Since 2019

The core activity of WELM GmbH is the energetic renovation and optimization of buildings, including analysis, consulting and support of property owners in planning and implementing energetic renovation measures, with the aim of minimizing the energy consumption of buildings and securing the value retention of properties.

Your SwissCar GmbH 

Schlieren · Since 2020

The core activity of Your SwissCar GmbH is the purchase and sale of vehicles. The company provides a platform for the sale of used vehicles and enables customers to offer their vehicles through an online form. Additionally, the company presents its own car offer.

Zelebrand International GmbH 

Schlieren · Since 2017

The core activity of Zelebrand International is the creation of holistic brand experiences for customers from various industries, including automotive, transportation, tourism, health, pharma and consumer goods. The company focuses on creating efficient and precise workflows to achieve the best Return on Investment (ROI) for its customers. This is a combination of creative and business services that rely on a trusting and co-working-based partnership with customers.

ZK Kurierdienst GmbH 

Schlieren · Since 2015

ZK Kurierdienst GmbH provides transport and courier services, including express runs, scheduled deliveries, standing orders, pickup-and-delivery tours, day tours, and special transports. The company operates a fleet that includes heavy trucks, refrigerated Sprinters, vans with trailers and tail lifts, and smaller delivery vehicles to handle varied cargo types.

Zühlke Engineering AG 

Schlieren · Since 1968

Zühlke Engineering AG is a technology and consulting company that serves as a transformation partner, helping organisations embed modern technologies into products and business processes. It brings together multidisciplinary teams for technology strategy, software and hardware engineering, and managed services, with expertise in areas such as cloud, data, AI and cybersecurity.

Zühlke Technology Group AG 

Schlieren · Since 2000

Zühlke Technology Group AG helps organisations embed modern technologies into business processes and products, providing technology strategy, software and hardware engineering, and managed operational services. It works in complex, regulated sectors such as healthcare and financial services and operates a venture arm, Zühlke Ventures, which finances HealthTech start‑ups.

Zühlke Ventures AG 

Schlieren · Since 2011

Zühlke Ventures AG is Zühlke’s venture capital arm investing exclusively in early‑stage HealthTech start‑ups. It takes minority stakes with initial investments of CHF 150,000–250,000, targets a five‑ to eight‑year investment horizon, focuses on Switzerland and Europe with interests in the US, and provides portfolio companies access to Zühlke Group expertise.

Zürcher Security Academy GmbH (ZSA Academy) 

Schlieren · Since 2016

The core activity of ZSA Academy GmbH is the training and further education of security service providers, gastronomy staff and private individuals in the areas of security services, self-defense, police school preparation and social competence. The company offers various courses and modules to train qualified security specialists and meet the requirements for security services.