Based in San Francisco, Level343 is a digital marketing company that mainly focuses on providing search engine optimization (SEO) solutions. It traces its beginnings to 1994, when it helped clients worldwide with SEO copywriting, print advertising, and website development as B Studio. Founder Gabriella Sannino rechristened the company as Level343 in 2005, and eventually partnered with marketing firms in several countries that include Italy, China, France, and the Netherlands. Regarding its global reach, Level343 also helps clients with international SEO audits of their websites, with coverage for over a dozen languages. The company's clients have included Eros Media, Germane Consulting, Guido Cattaneo, Indelible Branding, Estrom International, and Mersen Electrical Power.