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Ruedi Zehnder GmbH 

Winterthur · Since 2016

The core activity of Ruedi Zehnder GmbH is architecture, building biology and building culture.

r-wt Brenner und Heizsysteme O. Reggel 

Winterthur · Since 2009

The core activity of the company "r-wt Brenner & Heizsysteme" is the renovation, maintenance and repair of oil and gas heating systems as well as burners, including commissioning, service work, burner replacements, combustion controls, exhaust gas measurements and repair of heating regulators.

SB Hauswartungen GmbH 

Winterthur · Since 2018

The core activity of SB Hauswartungen GmbH encompasses the provision of services in the field of property maintenance, particularly: * Cleaning of office spaces, stairwells, commercial premises and other areas * Janitorial services for the preservation of property values * Garden maintenance, including the care of green spaces and environmental work Thus, the company offers a comprehensive range of services for the maintenance and upkeep of properties and their surroundings.

SCHERLER AG 

Winterthur · Since 2021

SCHERLER AG is an engineering firm for building services and infrastructure planning, providing consulting, engineering, optimisation, specialist coordination, integrated testing, certification and general planning across areas including electrical engineering, mobility, energy, automation, IT & communication, safety & surveillance, fire protection, lighting and digital construction/BIM.

Schumacher Somm Architekten AG 

Winterthur · Since 2018

The core activity of Schumacher Somm Architekten AG is the planning and realization of architectural projects, including new buildings, renovations and conversions, as well as participation in architectural competitions.

Schweizerische Normen-Vereinigung SNV 

Winterthur · Since 1984

The company's core activity is the provision and management of standards, in particular the monitoring, licensing and consulting of companies on the legally compliant use of standards. The company also offers services such as the verification of rights management, the recommendation of products and services, and support for the legally secure establishment of companies.

Scoppetta & Merkt Treuhand GmbH 

Winterthur · Since 2010

Scoppetta & Merkt Treuhand GmbH provides fiduciary and accounting services focused on bookkeeping, tax advisory, payroll administration and company formations. Offerings include digital accounting solutions, payroll services and tax consulting for businesses and individuals.

Sejfuli Pajtime GmbH 

Winterthur · Since 2022

Sejfuli Pajtime GmbH provides salon hair and beauty services, including haircuts, hair colouring, eyebrow and lip treatments, eyelash-line/eyeliner and permanent make-up. The offering also includes consultations and specialised services such as permanent hair removal.

S+K Bauingenieure AG 

Winterthur · Since 1992

The core activity of S+K Bauingenieure AG is the planning, consulting and project planning of construction projects, particularly in the fields of civil engineering and structural engineering. The company offers services such as project management, design, building physics and fire protection, and is involved in the realization of new buildings, conversions and renovations of buildings, underground garages and other structures.

SMG Schweizerische Missions-Gemeinschaft 

Winterthur · Since 2017

SMG Schweizerische Missions-Gemeinschaft is a Christian missionary and relief organisation that arranges mission assignments, supports partner organisations and provides personnel, financial and donation services.

Sonos Schweizerischer Hörbehindertenverband 

Winterthur · Since 2015

Sonos Schweizerischer Hörbehindertenverband is an umbrella organisation that advocates for the rights and social participation of people with hearing impairments. It provides information, campaigns and services including early intervention, education and vocational training, support for work and continuing education, housing for older people, and projects for sign-language learning and accessibility.

Sotronik GmbH 

Winterthur · Since 2000

The core activity of Sotronik encompasses the development and implementation of software and hardware solutions for industrial applications, particularly in the areas of automation, industrial communication, IoT and telecontrol systems. This also includes the development of test and production systems, measurement and evaluation systems, as well as the creation of user interfaces and visualizations. The company also offers consulting and support services and has experts in various programming languages and environments such as LabVIEW, TestStand, MATLAB, Simulink and C. Sotronik's core activity can be described as an engineering service for industrial automation and IoT applications.

Spectra (Schweiz) AG 

Winterthur · Since 2004

The company is a provider of products and services in the field of industrial automation and IoT (Internet of Things). It offers a wide range of products and solutions for various industries such as Industry 4.0, IIoT, image processing, building automation, digital signage, security, transportation, automotive, rail, food industry, and pharmaceutical industry. The company's core activity includes the sale of products such as IIoT devices, image processing systems, building automation solutions, digital signage systems, security systems, transportation solutions, automotive solutions, rail solutions, food industry solutions, and pharmaceutical industry solutions. In addition, the company also offers services such as configuration, implementation, training, and support for its products and solutions. It also offers certifications such as UL 62368-1 and UL 508. Overall, the company's core activity can be described as the sale of products and services in the field of industrial automation and IoT.

Stiftung Akazia 

Winterthur · Since 1993

Stiftung Akazia is a Freemasonry lodge that provides information about Freemasonry and organizes lodge activities and meetings. The lodge maintains a lodge house on Schwalmenackerstrasse and offers contact persons and an online contact form for inquiries.

Susanna Keller GmbH 

Winterthur · Since 2018

The core activity of Susanna Keller GmbH is the needs-based relief in the areas of accounting and trust services, including services such as accounting, budgeting, business planning, start-ups, investment applications, planning accounting, corporate loans and administration. The company also offers training, individual assistance and support in these areas to relieve customers and enable them to have more time for business development and customer care.

Thalmann Wohnhandwerk GmbH 

Winterthur · Since 1997

The core activity of Thalmann Wohnhandwerk GmbH is the manufacture and installation of home accessories such as upholstered furniture, curtains, wall coverings and boat fittings. The company offers individual solutions for the interior design of living spaces and boats, including the selection and installation of fabrics, materials and technical curtains.

Verein mit Herz 

Winterthur · Since 2023

The core activity of the company 'Herz für Kinder' consists of providing humanitarian aid to needy children and their families in Western Ukraine, particularly through the provision of food, medicine, clothing, beds and other essential supplies, as well as supporting hospitals and other medical facilities in improving their infrastructure and healthcare services.

Verein Ukraïna Support 

Winterthur · Since 2023

The core activity of the company 'Ukraïna Support' is to support and integrate Ukrainian refugees in Switzerland. This includes offers such as language courses, skills development, project work, arrival assistance, housing mediation and cultural events. The association aims to give refugees a sense of home, facilitate their integration into Swiss society and promote their individual talents and skills.

Viacid AG 

Winterthur · Since 1967

The company's core activity includes the sale of bituminous construction materials and the implementation of road maintenance measures, including: crack sealing and joint sealing, rehabilitation of edge joints, surface treatment and impregnation, and the sale of bituminous products such as bitumen paint, adhesive, liquid asphalt and bitumen emulsions. The company also offers consulting and planning services for road maintenance measures and has its own production of bituminous construction materials.

WD-Montagen, Daniel Welter, Tor- und Storenbau 

Winterthur · Since 2006

The core activity of WD Montagen is the planning, installation and repair of sun and weather protection systems, in particular roller shutters, louvre shutters, awnings and conservatory shading systems, as well as gate and shutter construction in the Winterthur region.