A multi-brand loyalty program is a marketing strategy that rewards customers for their continued patronage across multiple brands within a company or group. This program allows customers to earn points, discounts, or other incentives for their purchases and interactions with various brands, encouraging them to remain loyal and engaged with the company as a whole. By offering a diverse range of rewards and benefits, a multi-brand loyalty program aims to foster a strong sense of brand loyalty and customer satisfaction, ultimately leading to increased customer retention and revenue for the company.