This document discusses the rationale and benefits of strategic collaboration between organizations. It argues that collaboration can improve visibility, reduce costs, increase transparency, remove barriers, and reduce time to market by allowing organizations to share resources and solutions. The document introduces the ISA Programme, which facilitates cross-border cooperation between public entities to jointly deliver electronic services. It lists key principles of the programme like technological neutrality and sharing of code, assets, and best practices. It also references related projects and websites for open-source software and interoperability.