Merchant Advisory Group | 7,483 followers on LinkedIn. Driving positive change and innovation in the payments industry that serves the merchants'​ interests. | The Merchant Advisory Group (MAG) was founded in 2008 by a small visionary group of merchants in the payments field dedicated to driving positive change and innovation in the payments industry through multi-stakeholder collaboration, education, and advocacy. The Merchant Advisory Group (MAG) is a global organization dedicated to driving positive change and innovation in the payments industry through merchant collaboration, education, and advocacy. Representing over 200 of the world’s leading merchants across many industries, including airlines, retail, restaurants, insurance, amusement parks, grocery, and software, the MAG facilitates strategic engagement across North America, Europe, and Asia.