Brownstein is an independent advertising and public relations agency based in Philadelphia. Founded at the height of the Crea ... tive Revolution in 1964, we are one of the longest-running independent agencies in the country, offering expertise across brand strategy, advertising, public relations, social media, and digital services. We build unstoppable brands by helping clients navigate the changing tides of culture and business with a focus on brand longevity. Brownstein is a 2018 Ad Age Small Agency of the Year, a 2019 PRNEWS Small Public Relations Firm of the Year finalist, and an inductee at Advertising Week’s 2020 Madison Avenue Walk of Fame. read more