2025-03-26https://repository.covenantuniversity.edu.ng/handle/123456789/30899The study investigated how Nigerian small and medium enterprises effectively managed marketing programmes for their development and sustainability. Relevant theories were employed to justify the variables. Two hypotheses were investigated through the survey of randomly selected 555 small scale entrepreneurs, and 93 medium scale entrepreneurs; with appropriate statistics. Findings indicated a strong correlation between the use of marketing programmes and their development; and effective management will aid sustainable development of Nigerian small and medium enterprises. It was recommended that qualified academics and professionals should be appointed to appropriate portfolios, while issues of sectionalism, tribalism, and nepotism should be eliminated.application/pdfHF Commerce, HJ Public FinanceArticle