This study focuses on diverse standards used in developing e-services. It starts by mentioning the importance of e-services, and the role of standards in increasing its adoption. Then, it lists the main Standard Developing Organizations. Standards for specifying e-services are first described, especially those related to web service development, data encoding and exchange, electronic data interchange, and web service routing and addressing. The study also describes the main e-service security standards, main standard frameworks used for e-Business and e-Commerce applications. The study overview framework needed for building government e-services and describes the interoperability standards. It briefly describes case studies from developed countries, such as UK, Australia, and Germany, and from ESCWA region, such as KSA and Syria. Then the study concludes on a proposed framework, aiming to develop e-services in Arab countries.