El Buen Socio is a Mexico-based social enterprise dedicated to strengthening sustainable and inclusive small and growing businesses (SGBs) in rural and nature-dependent sectors. We design and implement ethical financial solutions—such as revolving loan funds, blended finance mechanisms, and financial education programs—tailored to the realities of SGBs operating in agriculture, fisheries, and other ecosystem-based livelihoods. Our work focuses on enterprises that generate income while contributing to environmental stewardship and local economic resilience. Beyond access to finance, El Buen Socio provides hands-on technical assistance to SGBs, including financial planning, cash-flow management, governance strengthening, and impact monitoring. We work closely with entrepreneurs, cooperatives, and producer organizations to reduce financial risk, improve investment readiness, and build long-term viability. Through partnerships with NGOs, donors, and development institutions, we help SGBs scale responsibly, formalize their operations, and connect to capital aligned with social and environmental outcomes.