Abstract
Research findings have offered that company operations need to be encouraged to grow in a variety of areas, be it in societal engagement, strategy, staff career growth, psycho-social patterns, and in contemporary times-spiritual intelligence (SI). It is becoming topical as experts are recognising its importance. Therefore, this study investigates SI as a strategy that avails businesses particularly family owned ones their quest for sustainability. In doing so, it adopted the descriptive survey research method, with a population made up of 12893 duly registered family owned business within the Southeastern region of Nigeria. Data collection and analyses reveal a significantly positive correlation between SI and the sustainability of FOBs in Southeast, Nigeria. It thus concluded that spiritual intelligence relates with the sustainability of family owned businesses in Southeast, Nigeria.