51Blocks offers small businesses and website owners unique solutions with a local friendly service.? 51Blocks is a local search company that handles search engine optimization (SEO), paid search (PPC), and social media with proven results in some of the most competitive industries – e.g – Organic – #3 for “mortgage”? – www.mortgage101.com. Local – #2 for “dui lawyer denver”? www.criminallawdenver.com. We offer high quality SEO, PPC and local search marketing services for local businesses looking for a competitive edge. 51Blocks works with clients all over the country but has offices in Denver, CO, San Diego, CA, and Portland, OR to help build better quality working relationships locally.