<![CDATA[The sustainability transition in the agro-industrial sector increasingly relies on small and medium enterprises (SMEs) adopting business models that align with digitalization and circular economy principles. However, existing research on Sustainable Business Models (SBMs) for agro-industrial SMEs remains fragmented, limiting the understanding of how these models enhance resilience and sustainable performance. This study aims to systematically review types of SBMs implemented by agro- industrial SMEs, evaluate their impact and examine the key barriers and enablers influencing their adoption. This study conducts a systematic literature review (SLR) guided by the PRISMA 2020 protocol and the PICO framework to ensure methodological transparency and thematic precision. 415 articles were screened from Scopus, ScienceDirect, and Google Scholar then 20 met the inclusion criteria. A mixed-method synthesis was employed, combining VOS viewer keyword mapping in thematic analysis. The analysis revealed five SBMs typologies: circular bioeconomy, digital and platform based, cooperative cluster, hybrid strategic, and value-driven ethical models. These models improve economic performance through efficiency and competitiveness, foster social inclusion and stakeholder collaboration, and advance environmental outcomes via resource circularity. Implementation challenges include financial, digital, and institutional barriers, while collaboration, policy support, and leadership capacity act as key enablers.]]>
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