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RefinSol GmbH 

Winterthur · Since 2014

The core activity of RefinSol Advisory Services is the consulting and support of insurance and reinsurance companies, particularly in the area of life insurance and reinsurance. The company offers services such as Solvency Reports, IFRS 17 consulting and Mergers & Acquisitions support, and has comprehensive knowledge and experience in the international insurance and reinsurance industry.

Reha Transport, Styger 

Winterthur · Since 2018

The core activity of Reha Transport is commercial passenger transport, particularly for people with disabilities, the elderly and patients who require special transportation services. The company offers transportation services for people with disabilities, dialysis patients and individuals with special needs, and has specially equipped vehicles and qualified drivers to provide these individuals with a safe and reliable transportation service.

Requisit Nemeth GmbH 

Winterthur · Since 2021

Requisit Nemeth GmbH designs stage sets and supplies manufactured props for theatre, film and television productions. The company conceives and fabricates special effects, pyrotechnics and decorative installations for events and productions.

Reseda Engineering AG 

Winterthur · Since 2005

Reseda Engineering AG manufactures solid‑wood furniture and develops its products in‑house. Furniture is made to order and sold directly via the company's own sales locations and website, with delivery, assembly, maintenance and repair services provided by the company.

Restaurant Bombay Darbar, Iqbal 

Winterthur · Since 2019

The core activity of Bombay Darbar is gastronomy, specifically the preparation and sale of Indian specialties in a restaurant, as well as the provision of catering and party services.

Reuss Private AG, Zweigniederlassung Winterthur 

Winterthur · Since 2015

Reuss Private AG, Zweigniederlassung Winterthur is a FINMA‑regulated securities firm offering wealth management, investment advisory and asset management services to international private clients, family offices and institutional investors. Its services include portfolio management, fixed‑income solutions and outsourcing/IT services as well as partner solutions for external asset managers and client advisors.

RHC Clinic AG 

Winterthur · Since 1998

Rhosys AG 

Winterthur · Since 2019

Rhosys AG is a software company that develops products such as Authress (a login and access control API), Standup & Prosper (an asynchronous Slack standup bot), and the soc2.fyi SOC 2 guidance site. The company also offers consulting services including executive coaching, leadership consulting, technical speaking, and fractional CTO engagements.

Rhyner Lichtplanung GmbH 

Winterthur · Since 2014

The core activity of Rhyner Lichtplanung GmbH is the planning, consulting and implementation of lighting concepts for various fields of application, particularly for private and commercial spaces. This includes the conception, planning and execution of lighting systems as well as advising customers on the optimal lighting solutions for their needs.

Rieter AG 

Winterthur · Since 1985

Rieter AG develops and manufactures machinery, systems and components to convert natural and man-made fibers into yarn for spinning mills. Its product range includes systems for short-staple fiber spinning, precision winding machines, digitization tools (ESSENTIAL) and after-sales services such as spare parts, retrofits and training.

Rieter Holding AG 

Winterthur

Rieter Holding AG develops and manufactures machinery, systems and components for producing yarn from staple and man‑made fibers and supplies systems, digitization solutions and after‑sales services for spinning mills.

RMB Engineering AG - Niederlassung Winterthur 

Winterthur · Since 2024

RMB Engineering AG - Niederlassung Winterthur provides integrated engineering services for building services and energy systems, delivering customer-specific solutions across the project lifecycle from planning to operation. Services include strategic energy advisory, HLKKSE, building automation, facility management and energy-centre / area development.

Roal GmbH 

Winterthur · Since 1994

The company's core activity is the development, production and trade of systems for the use of rainwater (RWN) as well as the planning and distribution of automatic irrigation systems.

Robert und Ruth Heuberger-Stiftung 

Winterthur · Since 1987

Robert und Ruth Heuberger-Stiftung supports cultural and non-profit tax-exempt organizations and grants awards for notable achievements in artistic, cultural, or scientific fields. The foundation is placing greater emphasis on direct assistance to people in need and on promoting voluntary engagement, and it does not cover personnel, marketing, or administrative costs of institutions; award funds are intended to go directly to recipients. Requests and applications should be sent by email to [email protected] or by post to the address provided on the website.

Rocky Beach GmbH 

Winterthur · Since 2022

The company Rocky Beach GmbH is a digital studio specializing in the design, development and operation of digital products and services. The company's core activity includes the creation of online platforms and services, such as the website why-buy.ch, which enables the comparison of offers from different providers. In addition, the company also offers creative services, such as professional voice recordings for advertising, training or audiobooks, via the platform promance.ch.

Roger Rimmele Designprodukte 

Winterthur · Since 2016

The company's core activity is the manufacture and distribution of furniture, particularly tables, sideboards, mirrors and other wooden and metal home accessories.

Rohner Spiller AG 

Winterthur · Since 1999

The core activity of Rohner Spiller AG is the field of printing and copying, particularly as a general contractor for printing and copying services. The company offers a wide range of products and services, including printing, copying, scanning, plotting, post-processing of print products, labeling, signs, advertising technology, and more. It caters to various target groups, including architects, planners, general contractors, craftsmen, industry, service providers, graphic designers, advertisers, event organizers, gastronomy, cultural creators, associations, and private individuals.

Roland Gehringer Malergeschäft 

Winterthur · Since 2003

The company is a painting business offering painting services. The owner, Roland Gehringer, is a master painter and provides his services in Winterthur and its surroundings.

Rolf Meier Training and Consultant 

Winterthur · Since 2020

The core activity of Rolf Meier Training and Consulting (RM Training) is the provision of training and consulting services, particularly for the companies Wärtsilä and WinGD. The services include the development and implementation of training programs, the creation of training materials, animations, simulators and simulations, as well as the provision of administrative support for third parties. The focus is on training specialized personnel for the operation and maintenance of ship engines and systems.

Römer-Apotheke Winterthur AG 

Winterthur · Since 2012

Römer-Apotheke Winterthur AG is a pharmacy providing health consultations and pharmacy services. Services include blood pressure measurement, wound care, CRP tests, vaccinations, device instruction and an online shop.