What is maverick company? Maverick was an entertainment company founded by Madonna, Frederick DeMann and Veronica “Ronnie” Dashev. It was owned and operated by Warner Music Group.Where is maveric testing solutions located? USA. Maveric NXT Inc ( formerly Maveric Testing Solutions Limited ) 5, Independence Way, Suite 300, Princeton, NJ 08540 USA Phone :+1 60 9514 5128. Locate On Map.What is maverick artist management? Artist-founded and guided by an entrepreneurial creative spirit that fosters the power of collaboration, Maverick challenges the established management paradigms and expands the boundaries of what’s possible for the artists we represent.