Family business is the source of transformation of productive economies and strengthens the business dynamics in a given sector. Due to the COVID-19 pandemic, some small and medium enterprises had to abandon the supply of products and services. This social phenomenon occurred throughout the world and also in the city of Quevedo, a productive area offering goods and services with a greater presence of family businesses; the demand for products at lower costs and home delivery of products was one of the indicators for structuring a sustainability model based on the combination of financing with own and external resources. The objective of this research is to analyze the financial sustainability of family businesses during the health crises.