Do you need an Online Marketing Company in Seattle, WA? LocalSpark has analyzed the best digital marketing agencies in Seattle. In the current aggressive market, it’s important to seek out an experienced marketing company if you want to be competitive. Online marketers help their clients with branding, web design, logos, SEO marketing, and various other projects that bolster your company’s image and reputation. Here, we have gathered up a list of the best Seattle, WA, Online Marketing Companies.