Bank Nagari Cabang Pembantu Padang Luar provides several types of savings to society in general . Among the several types of savings that has the most number of customers are Sikoci . Regarding to its, of course there are factors that affect the customer's decision.The main purpose of this study was to determine the factors that influence customer decisions in choosing Sikoci savings . The data used in this study are primary and secondary data . Primary data obtained by distributing questionnaires to 100 respondents who use Sikoci savings on Bank Nagari Cabang Pembantu Padang Luar. Secondary data were obtained from the Internet , media , books , and past research relevant . Processing of the data in this study using Microsoft Excel and SPSS statistical applications 20. The results of this study indicate that the factors that influence customer decisions in choosing Sikoci savings are : 1. Variable job is a job that is experienced while now. 2. The personality variables , namely savings Sikoci accordance with personality. 3. Variable motivation is saving Sikoci have life insurance guarantee facility. 4. Variable Sikoci perception that savings is an excellent product Bank Nagari. 5. Variables that learning about saving Sikoci information from customer service. 6. Variable beliefs and attitudes that friendly service . the dominant variable affecting the customer contained in the variable (2), because the customer has a proactive personality who dared to act and persevere to achieve meaningful change.