Adding a referral program to your SaaS can dramatically increase your user base and engagement. Start by selecting a referral platform or tool that integrates seamlessly with your existing systems. Design a user-friendly program with clear rewards and straightforward tracking. Promote the program through your marketing channels and make it easy for users to share their referral links. Monitor the performance and adjust incentives to optimize results. A well-executed referral program can enhance customer acquisition and build brand loyalty efficiently.