Vertex, Inc. engages in the provision of tax compliance software solutions. The company is headquartered in King Of Prussia, Pennsylvania and currently employs 1,900 full-time employees. The company went IPO on 2020-07-29. The firm and its subsidiaries operate as solutions providers of state, local and value-added tax calculation, compliance, and analytics, offering software products that are sold through software licenses and software-as-a-service (cloud) subscriptions. The company also provides implementation and training services in connection with its software license and cloud subscriptions, transaction tax returns outsourcing, and other tax-related services. Its software includes tax determination, compliance and reporting, tax data management and document management tools, analytics and insights, as well as pre-built integrations with business applications. Its tax-determination solutions enable real-time calculation of indirect taxes and applicable fees for sale and purchase transactions. Its compliance and reporting solutions enable the automation of signature-ready returns and remittance of indirect tax to appropriate jurisdictions.