GP3 is one of the nation’s largest public affairs companies, with more than 500 of the industry’s most capable and experienced professionals. Our team has managed and won some of the most complex and challenging public affairs efforts on behalf of leading corporations, industries, and nonprofits. We have a proven ability to execute the full range of modern public affairs tactics to position our clients to overcome the biggest challenges and win the toughest fights. We offer clients a broad range of end-to-end public affairs services, led by best-in-class leaders in marketing, communications, and advocacy. One Point of Accountability. One Strategic Voice.