Alexander Thompson Arnold PLLC is one of the largest accounting and consulting firms in the Mid-South and was named the ninth ... (9th) largest accounting firm in the State of Tennessee by American Business Journals. Since 2015, ATA has been named a Top 200 Firm by INSIDE Public Accounting. With all the resources and knowledge of a large firm, ATA focuses on its clients. Your success is our mission. Founded in 1946, ATA offers a comprehensive array of tax, audit, accounting, consulting and wealth management services and is a member of the BDO Alliance USA. Firm offices are located in Dyersburg, Henderson (Ky.), Henderson (Tn.), Jackson, Martin, Memphis, Milan, Murray (Ky.), Nashville, Owensboro (Ky.), Paris, Tupelo (Ms.) and Union City. ATA niches served include financial institutions, governmental, nonprofit, ERISA compliance, 403(b) and 401(k) plan audits, utility systems, TPA audits, business valuation, telecom audits, legal immigration taxes, construction, healthcare/physician practices, educational institutions, professional services, litigation support, QuickBooks consulting, & Information Technology consulting. read more