This study assessed the extent of the effectiveness of tax compliance verification drive on businesses in Kalibo, Aklan. Specifically, it sought to identify the demographic profile of the respondents, the significant difference in the assessment of respondents on the extent of effectiveness and the degree of the problems met in the conduct of tax compliance verification drive to business owners in Kalibo, Aklan. The study was participated in by 150 registered taxpayers in the Bureau of Internal Revenue, Revenue District Office No. 71, Kalibo, Aklan and 25 employees of the same office via random sampling. The findings revealed that most respondents were sole proprietors with a monthly sales of below Php 100,000.00 and were predominantly college graduates. The extent of the effectiveness of tax compliance verification drive on business owners was primarily observed in their compliance with tax obligations. The degree of the problems met in the conduct of tax compliance verification drive to business owners was meeting invoicing requirements, which some businesses struggle with. Moreover, using the t-test thru spss, it was confirmed that there was no significant difference in the assessment of respondents’ on the extent of effectiveness and the degree of the problems met in the conduct of tax compliance verification drive to business owners. Therefore, the BIR should improve taxpayer education through continuous campaigns and seminars, and proper information dissemination to strengthen business owners understanding of the BIR’s initiative to increase tax compliance, helping to finance government’s projects and services.