World Class Counsel. Arizona Roots. Rooted in our state since 1983, Gammage & Burnham gets the job done because we know Arizona — its laws, values, customs and people. We remain locally owned and operated, and our reach extends to all corners of Arizona, throughout the United States, and internationally with connections that run deep. The firm’s diversity of expertise is powered by the talents of nearly three dozen attorneys who come with credentials that are difficult to match. Beyond longevity, Gammage & Burnham has earned an uncommon loyalty from its seasoned attorneys and its clients, many of which have worked with the firm since its inception. Led by the knowledge and expertise of its top tier attorneys, Gammage & Burnham remains dedicated to offering clients, whether they’re local start-ups or international corporations, exceptional service at competitive rates.