Korean digital banks are among the most consistently successful in Asia and internationally. In fact, Kakao Bank was one of the first major digital lenders to reach profitability in 2019, and it did so just two years after its founding. Recently IPO’d K Bank and soon-to-IPO Toss Bank (under its Viva Republica parent) have also consistently posted strong financial results over the past two years.
Korean digital banks started off serving the same customers in their home market. These segments include retail consumers, small and medium enterprises (SMEs), large corporates, and freelancers and gig economy workers. Retail consumers represent the largest segment for Korean digital banks, fueled by the extensive adoption of mobile banking and digital payment solutions. For their part, SMEs are increasingly turning to Korean digital banks to enhance their payment processing, financing, and overall business management. For their part, large corporates turn to digital banking for sophisticated treasury and cash management solutions.
While Korean digital banks all still serve these customer segments, as their business models mature and the digital banking market becomes more competitive, they are starting to take divergent paths. For instance, Kakao is expanding overseas with a focus on Thailand and Indonesia. In Thailand, Kakao has a partnership with SCB, one of the largest Thai incumbent lenders. As for Indonesia, Kakao said in December it would accelerate its global expansion by deepening its partnership with Superbank, an Indonesian digital bank in which it made its first overseas equity investment.
Kakao is already benefiting from its bet on Superbank, which went public on the Indonesia Stock Exchange (IDX) in December. The IPO raised approximately Rp2.8 trillion (US$168 million) by selling a 13% stake at 635 rupiah per share. It was oversubscribed over 300 times, signaling strong investor demand.
Superbank Indonesia achieved profitability in 2025, swinging to a net profit of Rp 99.68 billion (US$5.9 million) from a net loss of Rp 366.4 billion in 2024. This turnaround was driven by 160% year-on-year growth in net interest income and strong loan expansion fueled by ecosystem partnerships with Kakao Bank and Grab.
While Kakao Bank is focused on expansion in Southeast Asia, K Bank has doubled down on its partnership with cryptocurrency exchange Upbit. Despite the inherent risk of its crypto-centric approach, K Bank has managed to grow briskly in recent years. Its 2024 net profit of 128.1 billion won was nearly 10 times as large as its 2023 profit of 12.8 billion won. It also had 12.74 million customers by the end of 2024.
Earlier in March, K Bank finally listed on the tech-heavy Kospi, making good on a long-running promise to investors. All things considered, it did not go badly. K Bank was valued at 3.37 trillion won (about US$2.4 billion) and raised 498 billion won (about US$345 million). Still, pre-IPO, K Bank had promised investors an 8% annual return, which required it to achieve an IPO valuation of 4-5 trillion won. It is unclear just yet how coming up short will affect the company.
Meanwhile, Toss Bank, South Korea’s third digital bank, is riding high as it heads towards a 2026 IPO in the United States. Toss achieved record financial performance for the 2025 fiscal year, with annual net profit expected to reach approximately 100 billion won (US$70 million). The bank’s success is attributed to a focus on diverse customer needs, including loans for individuals with mid-to-low credit scores and business owners.
Viva Republica is eschewing a domestic listing in South Korea to seek a better valuation overseas. While the company seeks a valuation of more than US$10 billion, it could potentially be valued at more than $15 billion if market conditions are optimal. The deal is expected to raise between US$2 billion and US$3 billion.