Do you need an Advertising Agency in New York? LocalSpark has analyzed the best web and digital marketing agencies in New York. In today’s aggressive marketplace, it’s essential to find a professional advertising agency if your company wants to be competitive. Advertising agencies help their clients with design, pay-per-click campaigns, targeted marketing, social media, search optimization, and other digital marketing strategies that promote your company’s online image and outreach. Below, we’ve gathered up a list of the best New York Advertising Agencies.