Abstract: This research intended to establish the effect of financial management on the performance of the Presbyterian Church guest houses in Rwanda; it was based on the case study of Bethany guest house. This study was guided by the general objective of evaluating the effect of financial management on the performance of the Presbyterian Church guest houses, the specific objectives were: to analyse the effect of financial literacy on the profit of Bethany guest house; to examine the effect of financial innovation on the profits of Bethany guest house and to examine the effect of financial mobilisation of Bethany Guest house.