Abstract: This research was conducted aimed at knowing the effect of service quality on the participation of members of the Village Unit Cooperative (KUD) of Sawit Jaya District bangkinang Kampar Regency. The population in this study was members domiciled in Bukit Payung Village, Laboy Jaya Village, Desa Sembilan and Suka Mulya Village which numbered 1619 people. A sample of 95 people was t…