Sales Tax and More (STM) is a full-service consulting and solutions firm focused on state and local tax. Its team includes CPAs, former state auditors, and other experienced professionals who help companies, accounting firms, and tax professionals navigate changing tax rules and maintain compliance. STM serves clients across all 50 U.S. states, Canada, and U.S. territories.

The firm provides sales tax return preparation and filing, state tax registrations, business licensing, exemption certificate management, and nexus services for both sales and income tax. Its additional offerings include consultations, tax research, audit defense, notice management, and support for international tax needs. Return services are tailored to clients’ filing volumes, and the firm highlights careful data review and a dedicated staff accountant as parts of its approach.

STM also offers educational and research resources, including webinars, eBooks, podcasts, self-study CPE courses, state tax charts and matrices, audit manuals, and sales tax updates. Through these services and resources, the firm aims to help organizations understand their obligations and manage state tax challenges more effectively.