The telecommunications industry is vital to modern economies, particularly in emerging markets like Nigeria. To succeed in a competitive and rapidly changing environment, telecom companies must implement entrepreneurial marketing practices to sustain market leadership and performance.The book based on the thesis, titled "Entrepreneurial Marketing Practice and Performance: An Analysis of Telecommunication Companies in South-South Nigeria", investigates how these strategies influence business outcomes in a diverse region. It explores the entrepreneurial marketing practices adopted by telecom companies and their impact on performance. The study provides valuable insights for scholars, practitioners, and policymakers.