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Promix Solutions AG 

Winterthur · Since 2012

The core activity of Promix Solutions AG is the development and supply of key components and process engineering solutions for the plastics industry, particularly in the areas of mixing, foaming and cooling. The company offers specific products such as mixers, melt coolers, heat exchangers, ring nozzles, nucleation additives and inline viscometers to support customers in optimizing their production processes, reducing raw material costs and solving quality problems.

proSaldo. Für Zahlen und mehr. Verena Kaspar-Dolder 

Winterthur · Since 2006

PROSET GmbH 

Winterthur · Since 2009

publicR gmbh 

Winterthur · Since 2013

The core activity of publicR is economic and communication consulting, particularly in the field of communication management, as well as providing services in the areas of politics, association management, event management, and NPO management (Non-Profit Organizations).

Qualipos Vorsorge Services AG 

Winterthur · Since 2004

The core activity of Qualipos Vorsorge Services AG is the management and increase of retirement capital for beneficiaries, particularly in the area of the 2nd pillar (pension provision), through cost-effective and efficient investment strategies, as well as the settlement of freedom of movement transactions and the management of freedom of movement accounts and deposits.

Rainer Rominger Dental AG 

Winterthur · Since 2008

Rashwan International 

Winterthur · Since 2019

RASolvings provides digital services to small and medium-sized enterprises (SMEs). The core activities include: Developing digital concepts to ensure long-term competitiveness for businesses; Creating a professional digital presence, including branding and social media management; Optimizing business processes through innovative solutions and strategies; Supporting customer loyalty and trust-building through professional social media management. Overall, the company focuses on the digital transformation and optimization of SMEs to help them succeed in the digital age.

redgreenbird GmbH 

Winterthur · Since 2021

redventure GmbH 

Winterthur · Since 2003

Regenbogen Krasniqi 

Winterthur · Since 2022

The company's core activity is the professional cleaning of buildings, apartments, offices and industrial facilities, including window cleaning, moving cleaning, janitorial services and waste disposal.

RENK-MAAG GmbH 

Winterthur · Since 2007

Renox Treuhand GmbH 

Winterthur · Since 2007

The core activity of Renox Treuhand GmbH is the provision of services in the fields of accounting, auditing and taxation, particularly for small and medium-sized enterprises as well as for private individuals with high demands. The specific services include: accounting, tax planning, payroll administration, value-added tax, incorporations, auditing, and corporate consulting. The company positions itself as a trust company and is a member of TREUHAND-SUISSE, the leading professional association for experts in accounting, auditing and taxation in Switzerland.

Rössli Ristorante la Perla, Inh. Cricri 

Winterthur · Since 2024

The core activity of La Perla is the operation of an Italian restaurant, including the provision of food and beverages, particularly Italian dishes and wines, as well as the organization of banquets and events for private and business occasions.

ROWERK GMBH 

Winterthur · Since 2021

Rund um Bildung GmbH 

Winterthur · Since 2022

The core activity of the company 'Rund um Bildung GmbH' is the consulting and support of schools and educational institutions in matters of school development and problem solving. The company offers technical consulting, concept work, events and school trips to support schools in their long-term development and to find solutions to existing problems.

Sabani Swift Epoxy 

Winterthur · Since 2023

The core activity of Swift Epoxy is the coating of industrial and commercial floors with epoxy resin. This includes, in particular, the application of ESD-capable epoxy floors that comply with the Water Management Act (WHG), as well as the creation of seamless, robust and easy-to-clean floor coverings for various application areas such as industry, offices, garages and sales rooms.

sandro ineichen. photo & video 

Winterthur · Since 2019

The core activity of the company "sandro ineichen. photo & video" is the creation of photographs and videos for advertising purposes, including consulting and concept development for clients to implement their wishes and ideas.

Sanitas Troesch AG 

Winterthur · Since 1995

SB Solarium Betriebs AG 

Winterthur · Since 2013

Schaltegger, Brüderlin & PartnerInnen GmbH 

Winterthur · Since 2013

The core activity of Schaltegger Brüderlin & PartnerInnen GmbH is the provision of services in the field of organizational consulting, coaching, seminars, and individual and team consulting. The company offers support in the development and optimization of organizations, executives, and teams.

Scherler Siegenthaler Schweizer Rechtsanwälte AG 

Winterthur · Since 2009

The core activity of Scherler Siegenthaler Schweizer Rechtsanwälte AG is the provision of legal services with a focus on construction and environmental law, transportation law, public construction law, procurement law and contract law. The company offers consulting and litigation services in these areas and has a team of specialized attorneys with specific expertise.

Securitas AG Schweizerische Bewachungsgesellschaft 

Winterthur · Since 1960

Securitas AG Schweizerische Bewachungsgesellschaft provides a range of security services including static guarding and patrols, reception and traffic services, event security, and protection and intervention services. The company also offers security consulting and audits, training and certification, technical services such as RaaS (Robotics as a Service), and specialised solutions like key custody, key finder tags and alarm response.

Sedecor AG 

Winterthur · Since 1972

sexgüsi - Verein für sexuelle Gesundheit von Menschen mit kognitiven Beeinträchtigungen 

Winterthur · Since 2021

SHL Sonja Herzog-Lang Consulting 

Winterthur · Since 2015

The core activity of SHL Sonja Herzog-Lang Consulting is advising and supporting companies in the following areas: Vital organizational development and change management, Strategic HR positioning and development, Leadership development and coaching, Emotional competence in leadership, Corporate culture development, HR process optimization, and Job enrichment and enlargement concepts. The company also offers special services such as coaching, business flirting, and running by.

Sieglind Chies Fischer Managementberatung 

Winterthur · Since 2013

The company's core activity is management consulting, particularly in the following areas: Change Management: Accompanying change processes in organizations Organizational and team development: Optimizing and developing organizations and teams Leadership development: Developing leaders Coaching: Individual coaching for leaders and employees Training and lectures: Conducting training sessions and lectures on various topics The company thus offers consulting and development services for organizations and companies to support them in change processes, the development of leaders and teams, as well as the optimization of organizations.

Solubois ZH GmbH 

Winterthur · Since 2000

The core activity of Solubois is the execution of construction projects in various segments, including residential construction, renovation and refurbishment, office and commercial construction, public construction, as well as cultural and special construction.

soosap GmbH 

Winterthur · Since 2018

Sotrix AG 

Winterthur · Since 2021

Sparkling life GmbH 

Winterthur · Since 2021

The core activity of Sparkling life GmbH is the provision of services in the areas of life coaching, business coaching and energy balance, including the implementation of seminars and meditations, with the aim of supporting people in self-discovery and improving their quality of life.

Spilag AG, Zweigniederlassung Winterthur 

Winterthur · Since 2001

Spilag AG, Zweigniederlassung Winterthur supplies workwear and corporate uniforms and provides related textile care services. Services listed on the website include a B2B e‑shop, product lines (e.g. GastroLine, PowerLine), textile leasing (rental garments), locker and entrance‑mat services, and an in‑house design department for collections.

Spiri Truck GmbH 

Winterthur · Since 2021

Spiri Truck GmbH provides transport services and delivers bulk materials such as sand, gravel and chippings, and carries out excavation and rubble transport. The company operates a MAN TGS Hydrodrive truck and a Schwarzmüller three-axle tipper trailer.

Spühler Electronic AG 

Winterthur · Since 1990

StäBa AG 

Winterthur · Since 2018

Stadler Publishing 

Winterthur · Since 2001

The core activity of the company "stadler publishing" is the provision of services in the pre-media sector, in particular: Graphic design, Production of printed materials, Preparation of data for printing or the internet, Consulting and support for customers in the creation of printed materials. In addition, the company also offers freelance services in the graphic arts sector.

Stäheli Architektur GmbH 

Winterthur · Since 2017

The core activity of Stäheli Architektur GmbH is the planning and realization of architectural projects, particularly in the area of residential buildings, renovations and repurposing of existing buildings, as well as the development of concepts for tiny houses and vacation homes. The company also offers feasibility studies, renovation studies and portfolio services.

Stiftung Bruderhaus 

Winterthur · Since 2020

The core activity of endurit - FDP web4you is the creation and maintenance of websites, particularly for political office holders and organizations, as well as the provision of web services.

Storrer Reisen 

Winterthur · Since 2017

Straka - Solutions for Development and Research GmbH 

Winterthur · Since 2014

sajn - studio für architektur, Inhaber Joram Stähli 

Winterthur · Since 2021

The core activity of the company "studio jo.na" is architecture.

Succer You Sports AG 

Winterthur · Since 2016

Sulzer Finance (Ireland) Limited, Wexford, Zweigniederlassung Winterthur 

Winterthur · Since 2021

Sulzer Markets and Technology AG 

Winterthur · Since 1993

Sulzer Markets and Technology AG is a fluid engineering company that develops and supplies pumps, agitators, compressors, grinders, separation equipment and process plants.

Swica Personalvorsorgestiftung 

Winterthur · Since 1994

Swisafin Services AG 

Winterthur · Since 2009

SWISS EXPO LOGISTICS AG 

Winterthur · Since 2010

SwissPIM AG 

Winterthur · Since 2022

Swiss PIM offers a wide range of services in the field of digital transformation and e-commerce. The company's core activity includes the development and implementation of solutions for product information management (PIM), content management systems (CMS), web development, e-commerce, data management, web design, graphic design, SEO support, and digital marketing strategies. The company supports customers in creating digital ecosystems tailored to their individual business needs, helping them to increase revenue and achieve sustainable growth.

SWS Holding AG 

Winterthur · Since 2022

SWS Holding AG is an education provider offering vocational and continuing education in business, management, HR, IT and languages. Programs include vocational qualifications, professional development courses and certified trainings (e.g. SVEB, SIZ) delivered in classroom, remote and hybrid formats.

Systemische Familienbegleitung - ein Coaching für Familien (SFB) KlG 

Winterthur · Since 2020

SFB Winterthur offers coaching services for families.

taat jucker GmbH 

Winterthur · Since 2018