Handling accounts payable in-house can be labor-intensive and prone to errors, especially as invoice volumes grow. Accounts payable (AP) outsourcing offers a cost-effective and scalable solution by delegating AP tasks—such as invoice processing, approvals, and payments—to specialized third-party providers. This approach can help businesses streamline operations, improve accuracy, ensure compliance, and free up internal resources for more strategic functions. In this complete guide, we explore how AP outsourcing works, its advantages and potential risks, key services offered, and how to choose the right outsourcing partner for your organization.