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Small and Medium Enterprises (SMEs) significantly contribute to South Africa's economic growth and job creation; nevertheless, their sustainability is hindered by ongoing structural issues. The article analyses how digital platforms—such as fintech, digital payments, and e-commerce—can facilitate the growth and economic resilience of SMEs. The research employs a rigorous desk review process to synthesise information from academic literature, policy reports, and case studies published from 2015 to 2025. The analysis utilises thematic synthesis, uncovering four principal themes: (1) Barriers to SME Growth, (2) Digital Platforms as Solutions, (3) Obstacles to Digital Adoption, and (4) Theoretical Perspectives on Digital Adoption. Critical findings indicate that although digital platforms have substantial prospects, their adoption is constrained by infrastructural deficiencies, digital illiteracy, regulatory challenges, and perceived risks. Utilising the Technology Acceptance Model and Diffusion of Innovation Theory, the research illustrates that perceived utility and ease of use depend on structural and ecological preparedness. The document advocates for a comprehensive, contextually tailored support system that amalgamates infrastructure enhancement, digital skills education, regulatory reform, and the cultivation of institutional trust. The paper's contribution is the reclassification of contextual restrictions as primary factors influencing digital adoption in SMEs within emerging markets.

Digital expansion is conceived as a firm-level consequence after adoption, capturing both the breadth and depth of digital tools usage in operational and customer-facing business operations. The study investigates five readiness dimensions based on survey data of 388 small firms: capital adequacy, technological infrastructure, digital literacy, preference adaptation, and marketing investment. The results suggest that capital adequacy and digital literacy are positively and significantly related to digital expansion whereas technological infrastructure, preference adaptation and marketing investment are not statistically significant in the estimated model. Coefficient-comparison tests also imply that the important internal readiness variables are more strongly related to digital expansion than the market-oriented readiness variables.  This study contributes to the literature on digital transformation in small firms by showing that, in a resource-constrained emerging-economy environment, internal financial and capability-related conditions are more strongly associated with digital expansion than market-facing readiness. The results have substantial implications for Bangladesh suggesting that digital financial support should be coupled with digital literacy development and targeted capability-building for small companies.