This study aims to analyze the role of the Business Model Canvas in designing a business development strategy for an Islamic retail business, focusing on Toko Mulia Blitar as a case study in preparation for expansion into Tulungagung Regency. A qualitative approach was employed, with data analysis supported by NVivo software. Primary data were collected through in-depth interviews with the business owner, customers, potential customers in the expansion area, and expert informants. The data were further strengthened through a Focus Group Discussion (FGD) to validate the interview findings and deepen the understanding of customer segmentation and business development strategies. Secondary data were obtained through internal document analysis and direct observation of store operations. The findings indicate that the business development of Toko Mulia Blitar is structured through the integration of the nine elements of the Business Model Canvas. Customer segments include Muslim families, younger generations, communities, and religious institutions. The value proposition emphasizes affordable and quality products, comprehensive Islamic needs, a comfortable shopping experience, and consistency with Islamic values. Marketing channels integrate physical stores and digital platforms, while customer relationships are based on trust and personalized service. Revenue streams originate from regular purchases, seasonal consumption, and community needs. The study concludes that the integration of the nine Business Model Canvas elements, understanding of customer characteristics, community relationships, and operational and marketing integration provide an important