KakaoBank reported cumulative nine-month net profit of KRW 375.1 billion for the period ending September 2025, a record for any nine-month period in the South Korean digital bank's history and a 5.5 per cent increase over the same period in 2024. Third-quarter operating revenue stood at KRW 764.7 billion, up 2 per cent year-on-year, supported by platform revenue growth of 7 per cent, the bank said in its earnings release on 5 November 2025.
KakaoBank, which operates entirely through a smartphone application without physical branches, has become one of South Korea's most widely used retail banking platforms since its launch, building a customer base by offering competitive deposit rates, simple user interfaces, and a range of consumer credit products. The record profit figure for the first nine months of 2025 reflects the bank's capacity to generate stable earnings while continuing to grow its balance sheet.
DEPOSITS AND PLATFORM DRIVE PERFORMANCE
Deposit balances grew to KRW 65.7 trillion as of the end of the third quarter, a 21 per cent year-on-year increase that demonstrates the strength of KakaoBank's deposit franchise. The ability to grow deposits at this rate in a competitive retail banking market, where traditional banks and other digital players are competing for savings, indicates that customers continue to view KakaoBank as an attractive place to hold funds.
Platform revenue, which encompasses income from the bank's embedded financial product marketplace and distribution of third-party financial services to its user base, grew 7 per cent year-on-year in the third quarter. This segment is strategically important because it generates fee income that is not directly tied to interest rate movements, providing a degree of revenue diversification relative to the bank's core lending and deposit-taking operations. KakaoBank has been expanding the range of investment, insurance, and credit products available through its platform, aiming to deepen engagement with existing customers and increase wallet share.
Treasury assets under management rose to KRW 25.7 trillion, a figure that reflects the bank's management of its own liquid asset portfolio and its growing presence as an investment platform. The increase in treasury AUM adds another dimension to KakaoBank's earnings base and reduces its dependence on net interest income as the primary revenue driver.
RECORD PROFIT SETS NEW BENCHMARK
The KRW 375.1 billion cumulative net profit for the first nine months of 2025, equivalent to approximately 259 million US dollars, represents a new high-water mark for the institution and positions it to close the full year with a strong annual profit figure if fourth-quarter performance remains consistent with the trend established over the first three quarters.
KakaoBank's performance takes place against a backdrop of South Korea's financial regulators encouraging digital banks to expand their lending capacity and product range while maintaining prudent risk management standards. The bank has navigated concerns about its concentration in unsecured consumer credit by broadening its product mix and demonstrating loan quality metrics that have satisfied supervisory expectations.
The combination of record profitability, rapid deposit growth, and expanding platform revenues illustrates KakaoBank's evolution from a challenger bank focused on disrupting traditional retail banking to an established financial institution generating material earnings at scale. The Q3 2025 results strengthen the case that digital-only banking models can achieve sustainable profitability in mature, competitive markets.