marriott global source login Now you can access the marriott global source login from here. Once you have landed on the login page you have to enter your correct login details and then click on the login button to complete the process. Marriott Global Source (MGS) https://mgs.marriott.com Marriott International’s Global Intranet and Business Application (eTool) Gateway. Welcome to Marriott International‘s intranet, Marriott Global … Continue reading marriott global source login