A conducive internal control environment ensures that there are procedures adhered to and this minimizes financial risks in the institutions. This study focused on establishing the effect of internalcontrol environment on the financial performance of public organisations. Control environment is the key feature of managing an organization. This is because it is a deliberation of the attitude and the policies of management in respect with the significance of internal audit in the economic unit. The study adopted descriptive research chosen because the study aimed at collecting information from respondents in relation to effects of internal control environment onfinancial performance of public organizations in Kenya.Data collected was collected with a questionnaire and analyzed using descriptive statistics which includes percentages, means, standard deviations and frequencies. The findings revealed that control environments affect the financial performance of public organizations in Kenya to a great extent.The study concludedthat there is a significant effect of control environments on the financial performance of public organizations in Kenya and recommend that public organizations should ensure they have effective control environment and ensure that they establish relevant policies to ensure that their internal control environment is effective to enhance the financial performance of public organizations