The Importance of a Seller Acquisition and Merchant Onboarding Agency for Your Business Growth A smooth onboarding process enhances seller satisfaction, leading to long-term partnerships and increased seller retention. Agencies offer dedicated support, providing sellers with the tools and resources they need to succeed on your platform. Onboarding merchants can be complex, involving contract management, training, and platform integration. An experienced agency simplifies this process by providing tailored support, reducing the time it takes for sellers to become operational and start generating revenue.