Mamma Mia Restaurant Catering has a loyalty program that offers a variety of benefits to its customers. Upon joining the loyalty program, customers can earn points with every order they place in the restaurant or at home. Customers can use the points accumulated to pay for their next order. One point is equivalent to one Romanian leu.

The loyalty program also offers free birthday cake for customers and a slice of cake for every main course ordered. Customers can also receive a free cake for ordering more than seven main courses. However, they must notify the restaurant 24 hours in advance. Additionally, customers can earn more points by placing orders for their friends and family. The restaurant keeps track of the customers' points, and they can access the program through the Mamma Mia app, available on Google Play and App Store. Finally, customers can participate in the restaurant's various contests, and they can receive email notifications about new promotions and culinary surprises. Overall, the loyalty program at Mamma Mia Restaurant Catering offers a variety of benefits that customers can enjoy.