Deque is a company based in the United States that specializes in custom software and IT services, with a focus on accessibility solutions. Founded in 1999, Deque has developed a range of products aimed at ensuring digital accessibility for organizations. Their published documents include guides and technical reports that outline their methodologies and compliance with accessibility standards. Notably, the "Shift-left Fact Sheet" serves as a guide to their approach to integrating accessibility early in the development process. Additionally, their technical reports, such as the Voluntary Product Accessibility Template (VPAT) documents, provide detailed evaluations of the accessibility conformance of their products, including the Deque Status website, which offers uptime information for their software and services. These reports highlight the company's commitment to accessibility standards, including the Web Content Accessibility Guidelines (WCAG). Deque employs a combination of automated and manual testing techniques to assess the accessibility of their offerings, ensuring they meet various compliance criteria.