This guide analyzes four critical areas that underpin successful digital transformation for government: leveraging SaaS and PaaS, enabling secure and structured data access, creating a data-driven decision culture, and enhancing stakeholder collaboration. By exploring real-world examples and practical strategies, it reveals how to implement SaaS and PaaS platforms in a way that delivers immediate mission value, ensures secure and scalable data access through API-led integration, and builds a strong foundation for data-driven decision-making. It also provides actionable steps for improving stakeholder collaboration across agencies and external partners, creating an interconnected, agile environment that supports faster, more informed responses to evolving challenges.