- CEO
- Hyeong-Jin Kim
- Full Time Employees
- 143
- Sector
- Communications
- Industry
- Major telecommunications
- Address
- SEJONG Knowledge Center Gwacheon-si South Korea
- IPO Date
- Jan 4, 2000
- Business
- Sejong Telecom, Inc. (036630.KQ) operates as a telecommunications carrier and integrated ICT services provider in South Korea, offering dedicated lines, international and long-distance calls, VoIP services, wireless Internet, Internet data center services, private 5G networks, and MVNO mobile services under the Snowman brand; electrical construction works for power plants, public infrastructure, manufacturing plants, housing, and buildings; blockchain platforms including BlueBrick based on Ethereum and Hyperledger, security token offerings such as BBRIC for indirect real estate investment and TOKENTRUST for tokenized assets in real estate, minerals, ships, and artworks; Medical MyData non-face-to-face platform for medical data collection and imaging; Sejong CCTV intelligent video surveillance; and smart solutions encompassing DX convergence, platforms, content, smart homes, and security. Founded in 1992 and headquartered in Gwacheon, South Korea, the company primarily serves domestic enterprise, government, and consumer markets with nationwide optical networks and international connectivity. In recent developments, Sejong Telecom established Sejong Networks as a subsidiary in April 2024 by spinning off its wired communication business, launched Sejong DX in 2025 for blockchain and AI ventures, deployed private 5G networks including at Merck Life Sciences' Daejeon site in December 2024, led a consortium with BNK System selected for Busan's blockchain lost-and-found platform "Finding All" in 2024, appointed Ahn Jong-seok as CEO in 2025 to focus on high-value electricity and telecom projects, sold its stake in Hyundai Motor Securities in November 2025, and saw its Bundang IDC acquired by TPG Angelo Gordon in 2025.