Relia (りらいあコミュニケーションズ株式会社) is a company that specializes in business process outsourcing services. It operates in two segments: Contact Center Business and Back-office Business. The Contact Center Business segment provides customer and technical support, a help desk, sales support, omnichannel diagnosis, and other services. The Back-office Business segment offers document-managed services, website and social media-related services, and corporate shared services, including accounting, personnel, general administration, and other general clerical services. The company merged with KDDI Evolva to form Altius Link.