The research “Impact of Entrepreneurial Efficiencies on Ventures’ Profitability among Micro-Small Business”, dealt with the following inquiry that involved assessment of the impact of entrepreneurs’ managerial efficiency, marketing efficiency, financial efficiency, and technical efficiency among micro-small businesses operating in the Kingdom of Bahrain. A total of three hundred eighty—two (382) entrepreneurs were sourced out as respondents of the study. It made use of descriptive research and allowed the use of survey questionnaires for data collection and gathering, analyzed, and interpreted through used of statistical tools such as descriptive for means and inferential statistics for correlation and regression. As to findings of descriptive statistics, the problem that dealt with managerial efficiency has posted high impact on profitability among micro-business. The same result of high impact on profitability was derived in terms of marketing, financial, and technical efficiency. On inferential statistics, the findings of regression analysis concluded that all entrepreneurial efficiency factors such as managerial, marketing, financial and technical have significant impact on venture’s profitability.