Telecom Service One Holdings Limited is a Hong Kong-based investment holding company principally engaged in providing repair and refurbishment services for mobile phones and other personal electronic products. Its core offerings include repair and refurbishment services for mobile phones, pagers, personal computers, and other consumer electronic devices; sales of related accessories; and supportive services to corporate customers, telecommunication service providers, and global service companies. The company operates mainly in Hong Kong with additional presence in the People's Republic of China and Macau.
Founded in 1987 and headquartered in Kowloon Bay, Hong Kong, Telecom Service One Holdings Limited has grown its technical and customer service workforce to over 200 employees across Hong Kong and Taiwan. It functions through subsidiaries such as TSO BVI, Telecom Service One Limited, TSO TW, and Telecom Service One (Macau) Limited, with a focus on delivering high-quality customer satisfaction in its after-sales service business.
Recent major changes include continued strategic efforts to expand service capabilities and operational efficiency, though the company has reported widened fiscal losses and decreased revenue in 2025 reflecting challenging market conditions. Despite these headwinds, Telecom Service One maintains its position as an authorized service provider for a broad range of mobile and electronic brands, leveraging its extensive repair infrastructure including a warehouse and service center exceeding 20,000 square feet to safeguard quality and security. The company continues to focus on maintaining and growing its client base among manufacturers, telecommunication providers, and service companies in the consumer electronics aftermarket.
Overall, Telecom Service One Holdings Limited operates primarily within the telecommunications and consumer electronics service sector, targeting manufacturers, telecom operators, and service companies for mobile and personal electronic device repair, refurbishment, and accessories sales across key Asian markets from its established Hong Kong hub. This positions the company to leverage growing demand for post-sales mobile device support in the region.