Award Winning Creative Communications The M-Line is a full-service marketing communications agency in San Francisco, California. We represent all the benefits of working with a small boutique creative shop, (like working directly with the principals of the firm and paying attention to the smallest details), while giving you the breadth and acumen of the biggest agencies. Broadcast, digital, print or strategy … we don’t discern. We tackle all marketing communication problems and use any means to do so. So, whether you’re looking to create a new brand, move product or simply ponder the existence of Twitter, give us a call, we’d love to talk about it.