This study aims to determine the effect of service quality on member participation in the Kusuma Bakti Village Unit Cooperative (KUD) in Sialang Kubang Village, Perhentian Raja District, Kampar Regency. The subjects of this study were members of the Kusuma Bakti Village Unit Cooperative (KUD) totaling 778 members, the sample taken from the population was 89 members. With quantitative methods an…