Professional Tax & Accounting Services LLC is a Bossier City, Louisiana accounting and tax firm serving clients in the Bossier City and Shreveport area. The firm works with small businesses and individuals on practical financial needs, including accounting, bookkeeping, payroll, tax preparation, and tax planning.

Its services also include new business formation, business startup support, business tax preparation, individual tax preparation, and sales tax. The source materials note that the firm uses QuickBooks and other tools to support accounting and bookkeeping processes. Professional Tax & Accounting Services LLC was established in the 1980s and was formerly known as Lewis Guillotte & Associates.