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Windhager Holding AG 

Hünenberg · Since 1984

Wipolero Treuhand AG 

Hünenberg · Since 2003

Wipolero Treuhand AG provides fiduciary and corporate advisory services, including international corporate structuring, tax planning and compliance, accounting, payroll administration and trustee functions. The firm cooperates with external legal and audit partners for matters requiring specialised expertise.

Wipolero Treuhand Schweiz AG 

Hünenberg · Since 2005

Wipolero Treuhand Schweiz AG is a fiduciary and advisory firm focused on international corporate consulting, tax and accounting services. Its offerings include advice on international corporate structures, establishment and support of headquarters, company formation and restructuring, bookkeeping and financial statement consulting, tax planning and VAT matters, payroll administration and controlling, with cooperation from external legal and audit partners.

xeebo ag 

Hünenberg · Since 2017

The xeebo ag company offers an online portal for the application process, which enables employers to post job ads, build a talent pool and connect with applicants. Employees can register on the portal, create their CVs and apply for jobs. The company digitalizes the HR process by integrating xeebo into recruitment tools and ensures compliance with data protection policies.

Yalosys AG 

Hünenberg · Since 2022

The core activity of Yalosys AG is the development and manufacturing of micro-precise glass products and systems using laser micro-processing. This includes in particular: Laser micro-processing of glass (laser dicing, laser drilling, laser welding), contract manufacturing of glass products and systems, engineering and consulting services for the development of glass microsystems, and the development and manufacturing of glass micro-components and systems for medical technology (MedTech) and optics, including compliance with ISO 13485 and GMP regulations. The core activity focuses on the processing of glass and the development of glass microsystems for various applications, particularly in medical technology and optics.

Yogapower Milone 

Hünenberg · Since 2019

The core activity of Yogapower Milone is the provision of services in the field of personal development, coaching, supervision and consulting, with a particular focus on work-life balance, body-mind-soul connection and regeneration. This includes workshops, individual coaching and group work aimed at supporting customers in achieving their goals and improving their quality of life.

Zaphyr Pharmaceuticals AG 

Hünenberg · Since 2011

Zaphyr Pharmaceuticals AG in-licenses, out-licenses and commercializes FDA and European pharmaceutical products and branded generics for chronic diseases in the Middle East and Africa (MEA) region. The company also provides consultancy services (regulatory, market access, marketing & sales, business development and supply-chain support) and pursues manufacturing partnerships to localize production and transfer technology, with a focus on oncology.

Zirkon AG 

Hünenberg · Since 2004

The core activity of Zirkon AG includes the trade of new and used motorcycles and cars, including purchase, sale, leasing and financing. Furthermore, the company offers workshop and service services such as repairs, maintenance, conversions and tuning.

ZUF Zentrum für unabhängige Finanzberatung GmbH 

Hünenberg · Since 1997

The company's core activity is independent financial consulting for private individuals and companies, including insurance, capital investments, tax consulting and pension planning.

ZugOpen GmbH 

Hünenberg · Since 2020

The company is primarily responsible for organizing and conducting the Dialectic Zug Open, an ATP tennis tournament. The core activity includes planning, coordinating and hosting the tournament, including providing infrastructure, marketing, ticket sales, sponsorship and supporting volunteers.