Employee induction, also known as onboarding or orientation, plays a crucial role in enhancing organizational success by improving employee engagement, performance, and retention. This research explores the multifaceted impact of effective induction programs across various industries and organizational sizes. The study underscores that well-designed induction processes lead to significant benefits such as reduced turnover, accelerated productivity, and better cultural integration. Additionally, it highlights the importance of tailoring induction programs to meet the specific needs of different industries and company sizes, noting that fast-moving sectors like technology require rapid adaptation, whereas stable industries may benefit from standardized practices. The findings reveal that comprehensive induction programs are vital for large corporations to help new employees understand the company's culture, policies, and their role within the organization. These programs are essential for new hires to feel connected and valued, thereby enhancing their performance and overall job satisfaction. Conversely, smaller companies, despite limited resources, can offer more personalized induction experiences, fostering strong employee engagement and potentially offsetting the advantages of larger firms. Furthermore, the research emphasizes the importance of induction in knowledge transfer, particularly in the context of an aging workforce. Effective induction ensures the preservation and dissemination of crucial organizational knowledge to new employees, supporting long-term organizational sustainability. The study also discusses the implications for HR practitioners, suggesting strategies for designing and implementing induction programs that align with broader talent management and retention goals.