Nocera operates through three primary business lines: fish trading (primarily eels in Taiwan through its subsidiary), e-commerce marketplace facilitation (earning net commissions on third-party product sales through live-streaming platforms), and recirculation aquaculture systems (RAS) consulting services for land-based fish farming facilities with water treatment and reuse technology. The company generates revenue from direct product sales, agent commissions on e-commerce transactions, and professional consulting services. Nocera serves diverse markets across Asia, North America, and Europe, with fish trading operations concentrated in Japan and Taiwan, e-commerce activities spanning the United States, France, and China, and RAS consulting focused on China and South Africa.