Adyen is only able to work directly with legal business entities. The company must be registered at the Chamber of Commerce and have a bank account in the country of primary operation.
Adyen is a business-to-business (B2B) payment platform. In order to work with Adyen you have to operate under a corporate form, such as a sole proprietorship, and fulfill certain requirements. Without corporate form and legal business entity you cannot enter into a partnership with Adyen.