Telecom Service One Holdings Limited, an investment holding company, engages in the provision of repair and refurbishment services for mobile phones and other personal electronic products in Hong Kong. The company sells related accessories for corporate customers, telecommunication service providers, and service companies. In addition, it engages in property investment. The company was founded in 1987 and is headquartered in Kowloon Bay, Hong Kong. Telecom Service One Holdings Limited is a subsidiary of East-Asia Pacific Limited.