The pursuit of sustainable economic development has underscored the pivotal role of non-refundable foreign assistance. Foreign assistance programs have proven transformative, catalysing innovation, entrepreneurial spirit, and creating opportunities in sectors that prioritise resource efficiency, environmental responsibility, and social inclusion at an accelerated pace. The synergistic relationship between non-refundable foreign assistance and the circular economy, emphasising waste reduction, resource reuse, and the promotion of sustainable production and consumption models, highlights not only the potential for sustainable economic development but also a harmonious equilibrium among economic prosperity, responsible resource management, and social equity. The purpose of the research is to identify the role of non-refundable financial assistance in advancing sustainable development and delineate the primary indicators of its impact at both the global and local levels.