Are you looking for an Advertising Agency in Illinois? LocalSpark has analyzed the top digital marketing companies in your area. In today’s aggressive marketplace, it is important to hire a professional advertising agency if your business wants to stay at the top of the competition. Advertising agencies help their clients with design, pay-per-click campaigns, targeted marketing, social media, search optimization, and other digital marketing strategies that improve your company’s online image and outreach. Here, we have gathered up a list of the best Illinois Advertising Agencies.