The study examined the influence of digital loan closure management on investment among cooperative thrift and credit societies in Southwest, Nigeria. The study adopts a cross-sectional survey research design. The study randomly selected four cooperative thrift and credit societies in each state in the focused region with a population of eight thousand four hundred and sixteen (8416) members. The sample size of the study is three hundred and eighty-two (382) that was further divided among the selected respective cooperative thrift and credit societies. Findings of the study reveals a positive effect of digital loan closure influences cooperative investment among cooperative thrift and credit society in the civil service of Southwest, Nigeria at the tune of β = 1.034, t= 55.513, p= 0.000 < 0.05. The study therefore recommends that cooperative thrift and credit societies in Southwest should continue to enhance and automate its digital loan closure system to ensure seamless debt clearance thereby sustaining trust and strengthening financial stability.