Do you need a Marketing Agency in Santa Ana, CA? LocalSpark has searched for the best internet marketing agencies in the Santa Ana area. In today’s aggressive marketplace, it is critical to find a skilled marketing agency if your company wants to be competitive. Marketing agencies help their clients with web design, print materials, SEO, logos, branding, and various other projects that promote your business’ reputation and image. Here, we’ve organized a list of the best Santa Ana, CA, Marketing Agencies.