51Blocks serves attorneys, law firms, insurance agents, and startup and small businesses in Boulder. The digital marketing agency provides ROI-focused SEM and SEO campaign management. It uses various strategies, including local and white label SEO, PPC, and Facebook and Google Ads. Each marketing campaign is customized to promote the client's specialties and reach its target market, bringing in new clients and making profits. The agency also delivers monthly reports to show how the campaign has performed. It offers both one-time and monthly marketing packages.