North Park's women-owned digital marketing agency since 2015, Diamond + Branch Marketing Group operates from 2859 El Cajon Blvd UNIT 220 in San Diego's 92104 ZIP code. The agency builds SEO, content strategy, and social media campaigns for nonprofits and B Corps, complementing the creative production work of firms like Coast Creative along the 30th Street corridor. Services span audience messaging development, email newsletter production, website article creation, and paid search management across Google and Meta platforms. Clients managing grant-funded budgets often coordinate marketing spend with Sirius Accounting Solutions before launching multi-channel campaigns. The firm specializes in full-funnel digital campaigns for multi-chapter nonprofits that require unified messaging across regional programs and simultaneous donor acquisition funnels.