ETS Group Limited, an investment holding company, provides multi-media contact, contact center system, and staff insourcing in Hong Kong. The company operates through Outsourcing Inbound Contact Services; Outsourcing Outbound Contact Services; Staff Insourcing Services; Contact Service Centre and Service Centre Facilities Management Services; and Others segments. The Outsourcing Inbound Contact Services segment offers general enquiry, promotion, customer service, order, registration, emergency, and helpdesk hotline services. The Outsourcing Outbound Contact Services segment provides telemarketing and customer retention services, and cross-selling and customer satisfaction surveys.