Is your business looking for an Advertising Agency in Chicago, IL? LocalSpark has found the top digital advertising and marketing businesses in your area. In today’s aggressive marketplace, it’s essential to find an expert advertising agency if your business wants to remain competitive. Advertising agencies help clients with targeted search marketing, PPC, design, social media, web development, and additional digital marketing strategies that promote your company’s success. Below, we’ve organized a list of the best Chicago, IL, Advertising Agencies.