- Business
- SK Inc. is the holding company of South Korea's SK Group, engaging primarily in investment and portfolio management across diverse industries including advanced materials, biopharmaceuticals, green energy, and digital businesses. Founded in 1973 and headquartered in Seoul, South Korea, SK Inc. directs strategic investments and value enhancement activities to maximize profitability and operational efficiency for its subsidiaries. Its major subsidiaries include SK Innovation, SK Telecom, SK Hynix, SK Biopharmaceuticals, SK Chemicals, SK Ecoplant, and SK Materials, spanning sectors such as semiconductor manufacturing, energy, telecommunications, biotechnology, chemicals, and sustainable infrastructure.
The company offers a detailed product and service portfolio comprising semiconductor memory products (notably through SK Hynix with advanced HBM3 and 4D NAND technologies); biopharmaceutical products including innovative neurological treatments; telecommunications infrastructure and services; chemical materials for various industrial applications; and energy solutions ranging from petroleum and lubricants to renewables and hydrogen. Its digital business includes AI-powered services, cloud computing, and system integration for enhanced customer experience and operational efficiency.
SK Inc. has recently undergone significant strategic changes to strengthen its market position and sustainability commitments. Notably, it increased its stake in core energy and green business units by merging SK Innovation and SK E&S, aiming to leverage synergies and develop a more profitable and resilient energy portfolio focused on carbon neutrality and green growth. The company also rebranded SK Lubricants to SK Enmove to emphasize its commitment to energy-saving and environmentally friendly products. Additionally, SK Inc. pursues growth through portfolio rebalancing, financial resilience, and efficiency improvements, aligning with its "Value-Up" plan to optimize shareholder returns and corporate value growth. The company has also intensified efforts in new energy technologies such as clean energy including nuclear, renewable energy, hydrogen, and small modular reactors (SMR).
Geographically, SK Inc. operates in multiple countries with significant presence and production facilities in South Korea, the United States (including California, Texas, Illinois, Massachusetts, New York, Nebraska, and Ohio), and across Asia, Europe, Oceania, the Middle East, and North Africa. The company serves a broad customer base ranging from industrial sectors to consumers globally, with an established network supporting its global business segments.
SK Inc. continuously focuses on innovation, sustainability, and expanding its business scope through technological advancements and strategic alliances, maintaining its position as a leading global conglomerate driving sustainable economic and social development. The company’s recent structural reforms and investments position it strongly for future growth in advanced materials, green energy, digital transformation, and life sciences.