Gallagher & Associates, L.L.C., which also operates under the name Gallagher & Associates, is located in Silver Spring, Maryland. This organization primarily operates in the Museums and Art Galleries business / industry within the Museums, Art Galleries and Botanical and Zoological Gardens sector. This organization has been operating for approximately 20 years. Gallagher & Associates, L.L.C. is estimated to generate $6.7 million in annual revenues, and employs approximately 41 people at this headquarters location and 45 total employees across all locations.