Vertex is a company that provides tax automation solutions. Its products include Vertex TaxCalc, a tool for tax determination; Vertex TaxCompliance, a platform for filings, cross-border commerce, and online sales; and Vertex TaxInsight, a data intelligence system to optimize the tax process. The company offers system implementation, outsourcing, and document management services. Vertex caters to oil and gas, communications, hospitality, leasing, and medical sectors.