There have been studies of the adoption of enterprise resource planning (ERP) systems, the need for research within service sector is increasing. Thus, this study investigates adoption of ERP systems within service firms by a survey. Furthermore, antecedents of ERP adoption are investigated. The study proposes providing an insight about enterprise resource planning (ERP) adoption, theoretical background illustrates the pertinent literature on ERP systems in services and identifies antecedents of ERP adoption in the extant literature. The findings revealed that the majority of respondents, 82%, have adopted ERP. This study highlights and explains the reasons of deployment of ERP systems in service firms.