R3 is a business services company based in the United States, operating within the HR and staffing, information technology, and corporate services sectors. Established in 2007, R3 employs between 11 to 50 individuals and has reported revenue of approximately $2.49 million. The company's published content includes a technical report focused on implementing a Zero Trust Architecture (ZTA), which addresses cybersecurity challenges faced by various industry sectors. This report highlights the need for secure access to company resources in an increasingly distributed workforce, emphasizing the importance of protecting interactions with business partners and securing client-server communications. The collaboration with the National Cybersecurity Center of Excellence and other stakeholders aims to develop adaptable solutions that enhance security while maintaining a positive user experience. R3's involvement in such initiatives indicates its commitment to addressing contemporary cybersecurity issues and contributing to the development of innovative solutions in the business services landscape.