Holding company in
Wetzikon ZH

Optec Holding AG

Since 2006 · 1–10 empl.·4.8(10)

Optec Holding AG provides solutions for energy and load management, electrical safety, medical power systems and e‑mobility. The company supplies meters, current transformers, power‑quality analysers and operating‑room lights, and offers project consulting, commissioning, maintenance and support; it is a subsidiary of the Bender Group.

Stucki Holding AG

Since 2022 · 51–100 empl.·4.8(10)

Stucki Holding AG is a construction company providing civil and building construction services, including excavation, demolition, road construction and utility-line works. Its services also cover residential, industrial and commercial construction, exposed-concrete work, renovations, water engineering and sewage-plant projects.

Reichle & De-Massari Holding AG

Since 1993 · 11–20 empl.

Reichle & De-Massari Holding AG designs and manufactures cabling and connectivity solutions for data centers, public networks and local area networks (LANs). Its portfolio includes fiber and copper components, racks and PDUs, together with infrastructure-management software (inteliPhy), DCIM solutions and related services and training.

Voicepoint Holding AG

Since 2009 · 1–10 empl.

Voicepoint Holding AG provides speech-recognition and medical documentation solutions, including the Voicepoint Xenon platform, dictation management, and medical transcription services. The company develops software in-house, offers cloud services and maintains data protection and information security practices.

Prontoplast Holding AG

Since 2014 · 1–10 empl.

Prontoplast Holding AG provides plastics manufacturing services, including injection moulding, engineering and design, tool and mould making, prototyping, assembly and filling simulation. The company carries out quality controls, holds ISO 9001 and ISO 14001 certification and uses energy‑efficient production methods and sustainability measures.

namuk Holding AG

Since 2020 · 1–10 empl.

8623 Liegenschaften AG

Since 2022 · 1–10 empl.

Messerli Group AG

Since 2024 · 1–10 empl.

Messerli Group AG brings together services for live communication, connecting people and brands through events, exhibition stands and other physical and digital experiences. The group’s services include strategic consulting, creative development, temporary structures, and technical, video and digital solutions.

Opal Supply Chain AG

Since 2025 · 1–10 empl.

Opal Supply Chain AG provides solutions for an optimised supply chain. The company develops and integrates systems for industrial printing, mobile workflows, labels and consumables, software, automatic identification, industrial networks, and service and support.

Uster AG, Verwaltungen 1

Since 1957 · 11–20 empl.·2.3(3)

Uster AG, Verwaltungen 1 is a real estate company providing project development, architectural services, execution planning and construction management. It serves private and institutional clients as well as public bodies and can act as general or total contractor, offering sales and property management services.

Uster AG, Verwaltungen 2

Since 2000 · 11–20 empl.·2.3(3)

Uster AG, Verwaltungen 2 develops real estate projects and provides architecture, detailed planning and construction management services. It works on new builds, replacement buildings and renovations, and delivers projects as a general or total contractor.

planerpartner Group AG

Since 2024 · 1–10 empl.

planerpartner Group AG provides building services engineering, energy consulting and thermal protection services. The company plans heating, ventilation, air conditioning, cooling and sanitary systems and prepares energy assessments, analyses and optimisation concepts.