It might mean:

1-An affiliate-own business: Is a type of business where the main company owns less than 50+% of the other companies. It’s as if one or more different companies were part of the same parent company. It’s different than franchise-owned because affiliates don’t pay any fee.

2-In retail. A company or person is an affiliate of another company, when sells products or services of their products or services, in exchange for a commission for doing it.

E,g, Avon magazine sellers earn a commission for sold products. Nowadays, With the rise of the internet and social media, companies are paying money to influencers for promoting their products on their websites or social pages.