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Ingenieurbüro Schönenberger AG 

Regensdorf · Since 2004

The core activity of Ingenieurbüro Schönenberger AG is the development, production and manufacture of dosing systems and customer-specific devices for the construction industry and applied fields in Switzerland and Europe. In particular, the focus is on dosing systems for the concrete industry, including volumetric and gravimetric dosing systems for liquid concrete additives as well as color and fiber dosing systems.

Jet Schweiz GmbH 

Regensdorf · Since 2021

The core activity of Jet Schweiz GmbH is the laying and processing of plate coverings for floors and walls, including construction, renovation and repair.

NeuroSymphony GmbH 

Regensdorf · Since 2024

The core activity of NeuroSymphony GmbH is the application of bio- and neurofeedback therapy to support individuals in stabilizing and regulating their nervous system. This includes, in particular, the treatment of children and adults with neurodiverse conditions such as autism, ADHD, and learning difficulties. The therapy aims to improve brain activity and blood flow, creating favorable conditions for neuroplastic processes.

Nuvena GmbH 

Regensdorf · Since 2018

The core activity of Nuvena GmbH is the distribution of cosmetics and beauty products, particularly for beauticians and nail designers, as well as providing marketing services for cosmetics studios. The company offers a wide range of products, including eyelashes, nails, microblading products, skin care products, makeup and diode lasers.

Proof-Tec AG 

Regensdorf · Since 2017

The core activity of Proof-Tec is the implementation of electrical inspections, safety certifications, lightning and fire protection measures. The company offers consulting and services in these areas and has specialized employees and modern technology to ensure the safety of electrical installations.

R. Jelinek Laufradbau.ch 

Regensdorf · Since 2023

The core activity of Laufradbau.ch is the manufacture and repair of bicycle wheels, including the creation of custom-made wheels, wheel building and truing, maintenance of hubs and freehubs, as well as the sale of wheels and related components.

RMD Baumanagement AG 

Regensdorf · Since 2019

The core activity of RMD Baumanagement AG is the provision of services in the field of construction, particularly in the areas of: Project management: planning, control and monitoring of construction projects; Construction management: coordination and monitoring of construction projects; Site management: monitoring and coordination of construction projects on site; Buyer consulting: advising buyers in the selection and evaluation of real estate; Condition analyses: conducting condition analyses of real estate. The company supports architects, builders and buyers in the planning, implementation and evaluation of construction projects and real estate.

Traila AG 

Regensdorf · Since 2023

Traila AG is an IRIS‑certified rail engineering company that develops active steering systems for urban rail vehicles. It provides hardware and software solutions (sensing, control and simulation) for dynamic wheelset adjustment to reduce wear, noise and maintenance needs.

tritec AG 

Regensdorf · Since 2024

tritec AG provides solar solutions and photovoltaic systems, including consulting, project design, installation and ongoing maintenance. The company serves residential customers, large-scale projects and wholesale clients, and also offers services, training and an online shop.

1x1 Treuhand GmbH 

Regensdorf · Since 2025

The core activity of 1x1 Treuhand GmbH is the provision of services in the areas of accounting, personnel administration, taxes, and company formations for businesses. This includes, in particular: * Accounting processes, such as the preparation of annual financial statements and the handling of payroll accounting and social insurance * Tax consulting and the preparation of tax returns * Personnel administration, such as the management of employees and the recruitment of new employees * Support in the formation of companies, including the choice of legal form and registration in the commercial register * Real estate management, such as the rental of commercial and residential spaces and the preparation of heating and ancillary cost statements The company positions itself as a professional partner for businesses, helping them to manage their administrative tasks and focus on their core activities.