Esker is a company providing document processing automation solutions. It offers financial and customer service departments digitally transform their order-to-cash and procure-to-pay cycles. The company provides document automation technologies, including Esker on Demand, a cloud-based document process and information exchange service that enables companies to automate business documents; Esker VSI-Fax, which integrates fax with enterprise applications and messaging platforms; and Esker's Digital Documents BPO for the delivery of fax and mail on demand. It also provides host access products to support the host access needs and a business process outsourcing solution that handles order and invoice data processing and validation. In addition, Esker offers maintenance and related services, such as training and installation assistance, outsourcing of fax and mail services, and fax boards.