Do you need a Marketing Consultant in San Francisco, CA? LocalSpark has analyzed the best digital marketing agencies in San Francisco. In the current aggressive marketplace, it’s essential to find an expert marketing consultant or agency if your company wants to be competitive. Marketing consultants help clients with search engine optimization, web design, branding, logos, print materials, and various other things that boost your company’s reputation and image. Below, we have put together a list of the best San Francisco, CA, Marketing Consultants.