B-Magg as catfish feed with animal protein sources from Maggot BSF, this product was created because of the problem of the accumulation of organic waste and the high cost of fish feed, especially catfish. This business is also still classified as a household scale, so business development is needed for this study aims to design and visualize the B-Magg business development model using the Business Model Canvas (BMC) approach. This research uses a qualitative descriptive method with data collection techniques in the form of observation, interviews, and documentation studies. The results showed that B-Magg has the advantage of being able to reduce catfish farmers' production costs by 25.1%, environmental sustainability through organic waste processing, and contribution to community empowerment. Through the nine elements of BMC, the business is comprehensively mapped, ranging from customer segments, value propositions, distribution channels, customer relationships, to cost structures and revenue sources. B-Magg also contributes to the achievement of Sustainable Development Goals (SDGs) such as SDGs 8, 11, 12, 14, and 17. This research recommends strengthening multi-stakeholder cooperation and developing production capacity as long-term sustainability strategies.