Brand equity is the added commercial value a business gains purely from being a recognized, trusted brand — the reason customers will pay more, choose it over a cheaper alternative, or return without needing to be convinced again.
It's built cumulatively, through consistent quality, consistent visual and verbal identity, and every interaction a customer has with the brand over time — which is part of why brand consistency matters more the longer a business has been operating.
Strong brand equity shows up in practical, measurable ways: higher customer retention, more referrals, and pricing power that a newer or less recognized competitor doesn't have access to.