A brand funnel is a consumer intelligence framework that tracks how a target audience progresses through defined relationship stages with a brand, typically spanning awareness, familiarity, consideration, preference, purchase, and loyalty. Each stage represents a measurable drop-off point where consumers either deepen their engagement or exit the relationship entirely. Brand funnel research helps insights and CMI teams identify conversion gaps, benchmark performance against competitors, and connect brand health metrics to business outcomes. When combined with qualitative research, the brand funnel moves beyond what consumers do at each stage to explain why they stall, convert, or defect, giving strategists the context needed to act.