The United States remains the world’s second-largest e-commerce market, defined by sophisticated consumer expectations, intense marketplace competition, and logistics infrastructure that sets global standards. Success requires brands to balance marketplace presence with direct-to-consumer strategies, manage rising fulfillment costs while meeting 2-day delivery expectations, and navigate an increasingly mobile-first shopping environment where app experiences significantly outperform mobile web. The maturation of the market means growth is steady but competitive, with Amazon and Walmart capturing significant share while creating opportunities for specialized brands that differentiate through community building, product quality, and authentic storytelling. Understanding how successful US brands structure their omnichannel strategies, browse our breakdowns to see exactly how brands compete in the world’s most competitive e-commerce landscape.