Vertex, Inc., together with its subsidiaries, provides enterprise tax technology solutions for retail trade, wholesale trade, and manufacturing industries in the United States and internationally. The company offers tax determination; compliance and reporting, including workflow management tools; tax data management and document managementsolutions; analytics and insights; pre-built integration that includes mapping data fields, and business logic and configurations; industry-specific solutions support certain industries for indirect tax needs, such as retail, communications, and leasing; and technology specific solutions, such as chain flow accelerator and SAP-specific tools. It provides implementation services, such as configuration, data migration and implementation, and support and training; E-invoicing, an end-to-end e-invoicing process; and managed services, including indirect tax return preparation, filing and tax payment, and notice management. The company sells its software products through software licenses and software as a service subscription.