This study aimed to determine the value of the Coaching and Mentoring (C&M) Programme within a large National Health Service (NHS) system (‘Trust’) in London, England. A case study design was utilised with units of analysis: mentors, mentees, coaches, coachees, and line managers. Semi-structured interviews (n=32) took place in 2015. Findings revealed how individuals were able to develop personally and professionally. Findings support the need for more staff opportunities to engage in shared activities. The study also identified the importance of there being strong organisation-wide leadership of the programme, as well as managerial support to enable staff to engage in the programm