This study examines the role of mentorship in entrepreneurial development through detailed case studies, focusing on its impact on startup performance, innovation, and organisational culture. By analysing specific instances of mentor-mentee relationships, the research highlights the critical factors that contribute to successful entrepreneurial outcomes. The case studies demonstrate that mentorship significantly enhances startup performance by providing strategic guidance, access to networks, and fostering a culture of continuous learning and innovation. Trust and effective communication between mentors and mentees are identified as key components of successful relationships. The study also explores how mentor experience and industry knowledge contribute to startup success. Practical recommendations for creating effective mentorship programmes are discussed, emphasising the importance of structured frameworks, continuous monitoring, and compatibility assessment. Policy implications for fostering supportive mentorship environments are also addressed. These findings contribute to the academic literature on entrepreneurship and provide actionable insights for entrepreneurs, mentors, and policymakers.