what is a third party seller on amazon

what is a third party seller on amazon refers to independent businesses or individuals who sell products on Amazon’s marketplace. These sellers can use FBA or handle their own shipping (FBM). Third-party sellers account for over half of Amazon’s retail sales and range from hobbyists to full-scale businesses. They offer new, used, or refurbished products across nearly every category. Amazon provides a platform, customer base, and logistics support, while sellers manage sourcing, pricing, and branding. This model offers flexibility, scalability, and direct access to millions of consumers.