Since 1991, Dan Martinez & Associates, L.L.C. has assisted many Texas companies to identify and recover millions in overpaid taxes. Our professional staff, comprised of former Texas Comptroller auditors, has the technical experience necessary and essential to successfully and effectively represent your company throughout the audit defense and refund process. Our tax experience enables us to not only identify, evaluate, and document available tax exemptions but to recover tax dollars overpaid in the constantly evolving landscape of sales and use tax laws.