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Rahn Education Schweizer Schulen gemeinnützige AG 

Zug · Since 2016

The core activity of Rahn Education is the operation of educational institutions, particularly schools, in Germany, Egypt, Italy, Poland and Switzerland, with a focus on musical-artistic education, movement and sports as well as individual support.

Raiffeisenbank Zug Genossenschaft 

Zug · Since 1952

Rail Academy AG 

Zug · Since 2013

Rail Academy AG is an academy for railway personnel providing modular, VTE/STEBV-certified training and continuing education for operational roles in rail transport. Course offerings include qualifications such as shunting for industrial sidings (VTE 10a), construction-site locomotive operation (VTE 10b), shunting leader/shunter (Ai/A) and main-line driver (B100), with practical and theoretical examinations.

Rail Gourmet Holding AG 

Zug · Since 1972

Rail Gourmet Holding AG provides food, beverage and specialist solutions for the travel industry, including catering, product and menu development, procurement, logistics and on‑board service. The company is part of SSP – The Food Travel Experts and offers a one‑stop‑shop approach covering technology, supply chain and retail concepts.

Rambam AG 

Zug · Since 2021

The core activity of Rambam AG is the founding and promotion of biotech companies in the field of drug development, particularly through the provision of venture capital, technological support and management expertise. The company focuses on the development of medicines in high-value therapeutic areas such as immunology, oncology, neurology and infectious diseases. Through its platform and network of partners and experts, Rambam AG supports the rapid and efficient development of medicines from discovery to clinical testing.

Ramudden Global (Switzerland) AG 

Zug · Since 2024

Ramudden Global (Switzerland) AG provides temporary traffic management (TTM) and infrastructure safety services, offering end-to-end solutions including project planning, equipment provision, on-site setup, project monitoring and completion. The company also develops products and digital solutions to enhance worksite safety, including connected devices.

Raphiro AG 

Zug · Since 2023

Raphiro AG serves as the exclusive expansion partner of an international Asian hotel chain for the D-A-CH region and Europe. The company identifies underperforming hospitality properties and implements strategic repositioning, operational improvements and brand integration, focusing on upscale assets and multiple revenue streams such as rooms, F&B, wellness and events.

RAST Global AG 

Zug · Since 2022

RAST Global AG trades physical commodities and provides supply‑chain management for the nutrition, energy and industrial manufacturing sectors. Its product range includes vegetable oils (rapeseed, soybean, sunflower, linseed, camelina), liquid inputs for biofuels, feed ingredients (vitamins, minerals) and specialty chemicals, with services covering logistics, quality control and related supply‑chain operations and certifications such as ISCC, GMP+ and FOSFA.

rational brands services AG 

Zug · Since 2012

The core activity of Rational Brands is to provide digital communication and technology solutions for telecommunications companies worldwide. In particular, the company focuses on the development and distribution of solutions for messaging services, firewall management, and network security. Specific offerings include: Messaging Protection: A solution that helps mobile network operators protect their networks and monitor and monetize A2P, P2P, and P2A message traffic. Firewall Management: A solution that helps companies protect their networks and prevent security breaches. Messaging Hub: A platform that enables customers to manage and monitor all types of traffic. VoIP platforms and SMS messaging services: Solutions that enable customers to send and receive international phone calls and SMS messages. Overall, Rational Brands focuses on providing secure and efficient communication solutions for telecommunications companies.

Raum für Visionen AG 

Zug · Since 2014

The core activity of Raum für Visionen AG is the brokerage and management of real estate investments, particularly hotel and residential properties, in Switzerland. The company provides support in searching, purchasing and selling properties and develops projects in collaboration with investors, patrons and other interested parties.