Credit Saison says a 315-person ChatGPT Enterprise pilot saved 14 hours per participant each month and produced a 954% return on investment, preceding a companywide rollout in September 2025. Custom GPTs summarize store debrief recordings into results and handover notes, support corporate sales research, and provide voice-based practice for new sales staff. Keeping existing meeting routines and involving executives in hands-on use helped adoption. These are company-reported case-study figures rather than independently controlled results. Customer-data protection and the quality of completed work remain part of evaluating such deployments.