The Change Agency We are the agency of change. Our unmatched expertise can be tapped to solve your evolving communications challenges and more effectively grow your business. For more than 20 years, we’ve helped businesses of all sizes and shapes with intelligently crafted marketing strategies and tactics designed to reach and influence the markets and decision-makers that represent the future prosperity of your company. Mission GD&A has been at the forefront of media evolution, capable of objectively recommending the best and most appropriate marketing mediums to meet client objectives. We have a real and deep understanding of both traditional and new media, allowing you to capitalize on opportunities without needing to hire independent “specialists” that may not understand how disparate components fit into an overall, effective marketing program.