Abstract: Generative AI is redefining business models, financial systems, and digital transformation strategies by automating knowledge work, enhancing decision-making, and enabling personalized customer experiences at scale. This chapter explores enterprise adoption of generative systems across sectors including banking, insurance, supply chain, marketing, and human resources. Applications discussed include financial forecasting, risk modeling, fraud detection, automated reporting, personalized product recommendations, and AI-driven customer service. The chapter also highlights how generative design tools accelerate new product development and innovation cycles. It evaluates the socio-economic impact of automation, workforce augmentation, and organizational redesign in the AI-driven enterprise. Challenges such as regulatory compliance, data governance, model transparency, and AI ethics in corporate environments are critically examined. Through case studies of leading global companies, this chapter outlines best practices for integrating generative AI into enterprise ecosystems. Keywords: Digital Transformation; FinTech AI; Enterprise LLMs; Business Automation; Predictive Analytics; Innovation Management