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Clienia Psychiatriepraxen AG 

Winterthur · Since 2022

Clienia Psychiatriepraxen AG operates outpatient practices for psychiatry and psychotherapy within the Clienia group, providing psychiatric and psychotherapeutic services for adults and children and adolescents.

Clienia AG 

Winterthur · Since 2008

Clienia AG is a clinic group for psychiatry and psychotherapy offering inpatient, day-clinic and outpatient treatment for children and adolescents, adults and older adults, and providing long-term care services.

ClimateRe GmbH 

Winterthur · Since 2015

The core activity of ClimateRE is the development and provision of innovative insurance solutions and services for agriculture, aimed at supporting the transition to regenerative agriculture and minimizing the risks associated with climate change. This includes: Developing insurance solutions for farmers transitioning to regenerative agriculture; Supporting agricultural companies in implementing carbon sequestration projects; Providing technical support to farmers and agricultural companies to facilitate the transition to regenerative agriculture; and Developing an Agritech platform that offers farmers innovative tools and data-driven insights to support the transition to regenerative agriculture.

clip interactive GmbH 

Winterthur · Since 1996

The core activity of startklar.io is the development and provision of competence-oriented teaching materials and resources for teaching, particularly in the field of computer science. The company offers tools and methods to support teachers and learners in implementing competence-oriented teaching, including the visualization of progress and self- and peer-assessment.

coaching-werkstatt.ch Coaching-, Beratungs- und Zukunftswerkstatt Moldovanyi Thomas 

Winterthur · Since 2011

The core activity of the company 'Thomas Moldovanyi Coaching' is the provision of coaching services, particularly in the areas of personal and professional development, career counseling and self-help. The coach supports clients in overcoming crises, achieving goals and dreams, as well as improving their quality of life and work.

COEX Kälteplanung AG 

Winterthur · Since 2024

Coex is a consulting and planning company for refrigeration technology that develops resource-saving energy and media concepts for processes, buildings and areas. The core competencies lie in the technologies of industrial refrigeration, heat-cold machines and commercial refrigeration. The company offers services such as refrigeration planning, energy strategies, business model development and project management.

Coiffeur am Adlergarten Schilling 

Winterthur · Since 2015

The company's core activity is providing hairdressing services, particularly as a mobile hairdresser, at customers' homes or in its own hairdressing salon. The services offered include, among others, washing, cutting, blow-drying, permanent waves, highlights, hair masks, coloring and styling.

Colonello 

Winterthur · Since 2023

Colonello is an agency for search engine advertising (SEA) focused on the needs of small and medium-sized enterprises. It plans and manages SEA campaigns, delivers transparent and measurable results including an optional test month, offers flexible contract terms, and operates independently without Google Partner certification while using platforms such as Google, Bing and Meta.

Columna Sammelstiftung Client Invest, Winterthur 

Winterthur · Since 1999

Columna Sammelstiftung Client Invest, Winterthur offers occupational pension solutions and operates the Client Invest collective pension product, which allows sponsoring employers to define their investment strategy, interest assumptions and benefit targets.

Columna Sammelstiftung Group Invest, Winterthur 

Winterthur · Since 1984

Columna Sammelstiftung Group Invest, Winterthur is a collective foundation for occupational pension schemes that administers mandatory and supplementary pension benefits for affiliated companies. The Board of Trustees sets the investment strategy; assets are managed by UBS and AXA Asset Management, administration is carried out by AXA Leben AG, and disability and pre‑retirement death benefits are reinsured with AXA Leben AG.

Comes Treuhand AG 

Winterthur · Since 1980

Comes Treuhand AG provides fiduciary and advisory services for SMEs, including accounting, financial statement preparation and review, tax planning and VAT matters. The firm also handles company formation and corporate-law services such as capital increases, restructurings, mergers and the preparation of business plans.

Communications Circle Liliane Elspass 

Winterthur · Since 2021

The core activity of the company "Communications Circle" is strategic communication consulting and services for businesses, particularly in the areas of text creation, translation, communication strategy and implementation. The company supports customers in developing effective communication concepts tailored to the specific needs and goals of the customers.

Concircle Schweiz AG 

Winterthur · Since 2021

The company concircle offers digital services for industry, particularly in the areas of digital transformation and supply chain management. The company's core activity includes the development and implementation of digital solutions for industry, including: Digital Supply Chain: Designing and optimizing global supply chains through digital solutions for supply chain planning and collaboration. Digital Enterprise Core: Implementing digital solutions for efficient processes in the areas of master data, sales, logistics, and production. Digital Manufacturing: Developing and implementing digital solutions for production, including productivity enhancement and test automation. SAP Consulting: Consulting and implementing SAP solutions for industry, including SAP APO, SAP IBP, SAP S/4HANA, and SAP Analytics. The company supports industrial companies in their digital transformation and helps them become more efficient.

ConCordis GmbH 

Winterthur · Since 2014

The core activity of ConCordis GmbH is the production and distribution of Zingi, a ginger-based drink manufactured in Switzerland.

Conecto ZHAW 

Winterthur · Since 2010

Conecto ZHAW connects students and companies through a job fair and an online job board. The organisation also runs career events, CV checks, workshops and provides exhibition and recruitment services for employers.

congruent GmbH 

Winterthur · Since 2019

congruent GmbH is a consulting firm that supports companies and executives in aligning their organisations strategically and operationally. Its services include strategy and organisational design, transformation and turnaround management, technology scouting and due diligence, and project- and programme-management for implementation.

Consultive Treuhand AG 

Winterthur · Since 1974

Consultive Treuhand AG provides fiduciary services to companies and private clients, including accounting, e‑accounting, payroll and personnel administration, tax advisory and general business consulting. The firm’s offerings also include succession planning, support for company formation and sector-specific advisory services.

Consult & Pepper AG, Zweigniederlassung Winterthur 

Winterthur · Since 2006

Consult & Pepper AG, Zweigniederlassung Winterthur is a recruitment and personnel consulting branch that provides services to employers and candidates, including executive search, professional search and HR recruiting. Offerings include tailored sourcing solutions and candidate support throughout the application process.

Continget Beratung & Entwicklung AG 

Winterthur · Since 2015

Continget Beteiligung & Führung AG 

Winterthur · Since 2016

The core activity of Continget is strategic consulting and development of solutions in the field of work and mental health, particularly in the context of occupational health management. This also includes taking on project management roles and participating in companies that consider mental health an important part of their strategy.