Search the brand or seller name on Amazon
Open a product listing from that brand or seller
Click the brand name under the product title
Click the seller name on the product page
Look for the “Visit the [Brand] Store” link
Use Amazon search with the term “Storefront” plus the brand name
Check the brand’s official website or social media for an Amazon store link
Search Google with the brand name and “Amazon Storefront”
Open the Amazon app and search for the brand
Tap the storefront link if it appears on the brand’s product page