Esker SA operates cloud platform for finance, procurement, and customer service professionals in France, Germany, the United Kingdom, Southern Europe, Australia, Asia, the Americas, and internationally. It operates through Software as a Service (SaaS); Implementation Services; and Legacy Products segments. The company offers Esker on Demand, a cloud-based document process and information exchange service; Esker VSI-Fax, a fax server solution that integrates fax with enterprise applications and messaging platforms; Esker SmarTerm, a terminal emulator for PC-to-host connectivity for enterprise-wide access; Esker Tun, a terminal emulation software for PC-to-host and multi-user windows; and Esker EDI Services, which processes and validates order and invoice documents in EDI format for the ERP system. It also provides source-to-pay software for sourcing, supplier and contract management, procurement, accounts payable, expenses, and payment and supply chain financing; customer service software for customer inquiry, order, and claims management; accounts receivable software for credit management, invoice delivery, payment processing, cash application, claims and deductions, and collections management; electronic invoicing solutions; and EDI integration solutions. In addition, the company offers technology solutions for artificial intelligence, cloud platform, ERP connectivity suites, security, and robotic process automation; and Esker Pay, a payment automation solution. Further, it provides electronic cloud fax and business mail services; and consulting, solutions support, and customer experience services. The company serves the food and beverage, building materials, electronics, life sciences, and chemical industries. Esker SA was incorporated in 1985 and is headquartered in Lyon, France. As of January 30, 2025, Esker SA was taken private.