Established in 2013, Leonis Partners is an investment banking firm headquartered in New York City, New York. The firm focuses on mergers, acquisitions, and later-stage capital raising of private, lower middle-market businesses. Leonis specializes in sell-side and buy-side advisory, valuation, fairness opinion, and restructuring. The firm caters to a wide range of industries including cybersecurity, technology, software, and infrastructure.