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Inventec Informatik AG 

Winterthur · Since 1987

The core activity of Inventec Informatik AG is individual software development, consulting and project management, particularly in the development of software for various platforms (Windows, Android, Linux, IBM Host) using different programming languages and technologies (Java, C#, VB, PHP, MS-Access, SQL-Server, Oracle, PostgreSQL, CA Gen).

Keller Antiquitäten GmbH 

Winterthur · Since 2018

The core activity of Keller Antiques is the restoration, sale and expertise of antiques, particularly furniture such as chests, cabinets, commodes, tables, chairs and benches.

KELLER Pressure AG 

Winterthur · Since 1983

KELLER Pressure AG develops and manufactures pressure sensors, pressure transducers and pressure transmitters, as well as measurement devices such as level probes, data loggers and digital pressure gauges. The product range is based on piezoresistive pressure measurement technology and serves applications across sectors including water and environment, vehicles, HVAC, oil & gas, and chemical/pharmaceutical industries.

KittExpress GmbH 

Winterthur · Since 2003

KlG geilwiedsmachsch 

Winterthur · Since 2022

GWM. Shop Chörbli is a fashion company specializing in the production and distribution of sustainable, fair, and local fashion. The core activity includes the design, printing, and embroidery of textiles, particularly from certified organic cotton, as well as the distribution of these products through an online shop. The focus is on local production and delivery, with products being manufactured in Winterthur and often personally delivered by bicycle.

KoBold Manufaktur KLG 

Winterthur · Since 2023

The core activity of KoBold Manufaktur is the production of printed products, particularly through the traditional letterpress printing process. The company designs and prints individual orders such as greeting cards and other papers by hand, paying attention to environmentally friendly production and high-quality materials from European paper mills.

Kodista GmbH 

Winterthur · Since 2018

The core activity of Kodista GmbH is the development of software and apps for clients, particularly with a focus on frontend and backend development, using various technologies such as Ionic, Angular, TypeScript, Java, Spring and JPA.

Kompogas Winterthur AG 

Winterthur · Since 2007

Kompressionszentrum Baltz 

Winterthur · Since 2021

The core activity of the company "Kompressionszentrum Schweiz" is the consultation, adaptation and supply of patients with compression aids, particularly for the treatment of oedema diseases. This also includes home visits and collaboration with physiotherapists and doctors to ensure optimal care.

Kulturbanause Rolf Schocher 

Winterthur · Since 2011

The company's core activity is the creation and presentation of art and culture in various forms, including music, painting, sculpture, photography and other creative forms of expression.

Lehmanns Media AG 

Winterthur · Since 2021

The core activity of Lehmanns Media GmbH is the online distribution of books, specialist books, audiobooks and magazines, as well as the provision of B2B services for libraries, hospitals, lawyers, accountants, companies and public institutions.

Leicom AG 

Winterthur · Since 2013

The core activity of Leicom AG is the development and implementation of intelligent infrastructures and Smart Building solutions for various industries and application areas, including building automation, energy and resource management, security and digitalization. The company offers comprehensive services, from planning and design to support and maintenance of Smart Building systems.

Lesswire GmbH 

Winterthur · Since 2016

The core activity of Lesswire GmbH is the planning, installation and operation of temporary networks and WLAN for corporate and public events, including the areas of connectivity, wired LAN and Wi-Fi.

LichtBlick IntegralBau GmbH 

Winterthur · Since 1999

The core activity of LichtBlick IntegralBau GmbH is the planning and realization of conversions and renovations as well as window and door construction.

LICHTVERLAG 

Winterthur · Since 2020

The company Lichtverlag is an online retailer that sells products listed on its website. Although the exact nature of the products is not explicitly mentioned, based on the context, it can be inferred that they are books or similar publications, as the website mentions 'authors' and 'wish lists'. The core activity of the company is therefore the online sale of books or publications.

LM Live Music GmbH 

Winterthur · Since 1998

The core activity of LM LIVE MUSIC GMBH is the mediation and organization of live music and entertainment events, particularly through the provision of artists such as singers, orchestras, theater groups, DJs and dance acts for concerts, galas, shows and other events.

LR Performance Coaching GmbH 

Winterthur · Since 2018

LR Performance Coaching GmbH provides coaching services that combine performance coaching with life design and future thinking. The practice guides individuals through self‑discovery, the development of future scenarios and the creation of practical, testable transition plans.

L&S Elektro Installationen Ibrahimi 

Winterthur · Since 2012

Lüthi Electronic AG 

Winterthur · Since 1989

The core activity of lüthidesign is the conception, design, realization and production of educational materials and training documents, particularly in the fields of graphics, design and book concepts.

Mäder Bauphysik GmbH Ingenieurbüro für Bauphysik+Akustik 

Winterthur · Since 2007

The core activity of Mäder Bauphysik GmbH is the provision of engineering services in the field of building physics and acoustics. This includes in particular: building physics consulting and planning for new buildings, renovations, conversions and property management; acoustic planning and consulting, including room acoustics, building acoustics and sound protection; conducting measurements and analyses in the field of building physics and acoustics, such as sound measurements, temperature and humidity measurements; creation of expert opinions and certificates in the field of building physics and acoustics, such as noise expert opinions and sound protection certificates; energy consulting and planning, including energy calculations and economic calculations; and renovation planning and consulting in the field of building physics and energy efficiency.

marmotion GmbH 

Winterthur · Since 2007

The core activity of marmotion GmbH is the planning, calculation and realization of individual spatial solutions for various infrastructures and industries, including offices, living spaces, industrial and commercial spaces. This also includes the provision of office furniture, wall systems, acoustic solutions, carpet flooring, object flooring and other interior design solutions. In addition, the company offers services such as room design, assembly work, painting work, disposal work and archiving.

mastasound Martin Stäheli 

Winterthur · Since 2013

mastasound Martin Stäheli provides audio post-production services, including sound design, ADR and mix work for feature films, television series, documentaries, commercials and corporate films.

Matec Gipser Maler & Bodenbeläge GmbH 

Winterthur · Since 2009

Matec Gipser Maler & Bodenbeläge GmbH provides plastering, painting and floor covering services, including smooth wall and ceiling finishes, façade insulation, and painting using various colors and techniques. The company supplies a range of floor coverings and tailored solutions for residential and commercial interiors and supports projects from planning through completion.

Mattenbach Verlag AG 

Winterthur · Since 2011

Mattenbach Verlag AG is a publisher specializing in high-quality photography and art books as well as illustrated children’s books. The company also produces artistic photo cards and provides full-service book production from layout and editorial support to delivery, including author consultation.

MBC Markus Bonelli Consulting 

Winterthur · Since 2000

MBC Markus Bonelli Consulting provides consulting and support services for health insurers and medical professional societies. Key activities include change management, freelance/interim assignments in insurance operations (claims handling, insurance-technical tasks, customer administration, underwriting) and comprehensive support for medical societies such as fundraising, communications structures, administration and event organization.

Mederer GmbH 

Winterthur · Since 2021

Mederer GmbH is a consulting company with two main areas of focus: Business Consulting and eHealth. In the Business Consulting segment, the company offers consulting services, particularly in the area of Portfolio Management Systems. In the eHealth segment, the company provides solutions and services in the field of health informatics and technology, combining the expertise of Dr. Markus Mederer in Solution Design with the immunological and molecular genetic knowledge of Dr. Deniz Mederer.

Mira Mare Sergio, Serce 

Winterthur · Since 2017

Mira Mare Sergio is a restaurant specializing in the preparation and sale of Italian cuisine, particularly pizzas, pasta dishes, salads and other snacks. It also offers a selection of alcoholic and non-alcoholic beverages. The company allows customers to order food online and offers various menus and special deals.

Mirame-Stiftung 

Winterthur · Since 1997

The core activity of the company 'mirame Stiftung' is to support people in need, particularly street children, by using photography as a means to raise awareness and generate donations. The founder Marin Wenger uses his photographs to document poverty and hardship in various countries and uses the proceeds from the sale of these photos to support these people. The foundation aims to show the identity, expression and story of the people through the photos, thereby generating donations to support these individuals.

MP Informatik GmbH 

Winterthur · Since 2002

The core activity of MP Informatik GmbH is the provision of IT services, particularly in the area of PC support, PC services and PC repairs for private customers and small and medium-sized enterprises (SMEs) in the Zurich agglomeration. This includes the installation and configuration of computer systems, internet, email and printers, the implementation of data backups, as well as consulting and support in the selection and purchase of computer hardware and software.

M & S Industrielle Automation AG 

Winterthur · Since 1992

The core activity of M+S Industrielle Automation AG is the planning, development and implementation of automation solutions for industry, including engineering, software development, control cabinet construction, assembly and commissioning of plants, as well as the acquisition and processing of data for process optimization.

Müller Facility Management 

Winterthur · Since 2009

The core activity of Müller Facility is the provision of facility management services, including cleaning, maintenance and care of properties. The company offers comprehensive solutions for the care of buildings and land, encompassing all necessary work, from small repairs to complex tasks, to ensure a well-maintained and clean property.

lnfraOne IT Solutions GmbH 

Winterthur · Since 2015

lnfraOne IT Solutions GmbH is an IT service provider offering managed IT services, IT support, and IT system and network infrastructure including backup and network security. The company also provides cloud telephony, video surveillance, web design, custom software development, digital signage, control‑room and building automation solutions for SMEs and private customers.

N. Kunz Grafikdesign 

Winterthur · Since 2014

The core activity of the company n.kunz grafikdesign is graphic design.

Norlight GmbH 

Winterthur · Since 2017

Norlight GmbH rents holiday cottages for private stays. The accommodations, including «Tuli» and «Aurinko West & East», are located near Ivalo in Lapland by Lake Rahajärvi and provide amenities such as access to a shared outdoor sauna and direct lake access.

NOVIVA AG 

Winterthur · Since 2022

The core activity of Noviva includes the development, management and consulting of real estate projects, particularly in the area of residential and building development. This includes the analysis and evaluation of plots of land and properties, project development, project management, accompaniment of planning and implementation phases, creation of project calculations and the brokerage of real estate. Additionally, Noviva offers consulting and representation services for builders, investors and other interested parties.

ONA Group GmbH 

Winterthur · Since 2020

The core activity of ONA Group GmbH is the sale, rental and leasing of new cars, used cars and commercial vehicles in Switzerland, offering flexible financing solutions and a car subscription model that includes insurance, service and repairs.

ONEDU 

Winterthur · Since 2021

The company Onedu provides educational services to raise awareness about inequalities in healthcare, develop transcultural competencies, and promote holistic approaches to care and diversity. It develops and offers online courses, such as the 'Midwife Refugee Kit' and the 'Migrant Birth Kit', and collaborates with universities and other organizations to create educational materials. The company focuses on supporting refugees and minorities, aiming to create a sensitive and courageous learning environment where people can inform themselves and take self-determined action.

Oopsie Daisies GmbH 

Winterthur · Since 2024

Oopsie Daisies GmbH develops narrative, artistically driven video games, including the title “Tom the postgirl”. The studio’s activities cover game design, art and story direction, animation and sound.

OPAL IT Consulting AG 

Winterthur · Since 2002

The core activity of Opal IT Consulting AG is the consulting, development and implementation of SAP solutions for companies in various industries, particularly in the areas of logistics, distribution logistics, finance and controlling. The company also offers services such as customizing, ABAP programming, migration and cutover support.

optifirm GmbH 

Winterthur · Since 2024

optifirm GmbH develops tailored educational programmes and provides consulting in education management, as well as organising and delivering training courses and workshops, including support for digital learning.

Optima Versicherungstreuhand GmbH 

Winterthur · Since 1994

The core activity of OPTIMA Versicherungstreuhand GmbH is comprehensive financial consulting, including: wealth management and investment advice, pension and insurance consulting, tax consulting and planning, real estate consulting and brokerage, testamentary and inheritance planning, estate planning and estate administration. The company provides independent consulting and supports customers in planning and implementing their financial goals, including retirement planning, risk management and wealth accumulation.

pamo treuhand pascale moser 

Winterthur · Since 2004

The core activity of Pamo Treuhand is the provision of trust services, including accounting, tax consulting and other related services.

Papillon Concerts Weber 

Winterthur · Since 2003

Papillon Concerts Weber is an international agency for professional artist management representing classical soloists, chamber ensembles and orchestras. The agency arranges concerts and provides related services such as concert organisation, programme concepts, programme booklets, programme texts and concert introductions.

Pavin AG 

Winterthur · Since 1999

The company is active in the production and distribution of alcoholic beverages such as Grappa, Gin, Amaro and Vermouth, as well as coffee and delicacies. It supplies both private customers and gastronomy and wholesale customers.

payzee AG 

Winterthur · Since 2022

The core activity of Payzee AG is to offer a digital platform for processing parking fees. Specifically, Payzee allows users to book and pay for parking spaces without installing an app by scanning a QR code, entering the license plate number, selecting the parking duration, and paying online. The company offers this service to both drivers and parking operators, with the latter incurring no costs for setting up or using the platform, but rather a percentage-based transaction fee for effective payments.

Pelcon, Horvath 

Winterthur · Since 1996

The core activity of Pelcon is the distribution of high-performance lubricants, particularly ELKALUB products, in Switzerland. These lubricants are offered for various industries such as the graphic industry, food industry, gearboxes, automotive industry, rolling and sliding bearings, as well as chains.

Pensionskasse Baltensperger AG 

Winterthur · Since 2008

Personalvorsorgestiftung der Firma KELLER Druckmesstechnik AG 

Winterthur · Since 1981

Philipp Rösli GmbH 

Winterthur · Since 2018

Philipp Rösli GmbH is an architectural practice providing design and project planning services, specializing in renovations, restorations and adaptive reuse of industrial, commercial and residential buildings.

Phill-Up GmbH 

Winterthur · Since 2013

Phill-Up GmbH produces and sells the Don Giatti Original liqueur; the website provides information on production and ingredients, cocktail recipes, points of sale and an online shop.