Kookmin Bank

A leading South Korean commercial bank and core subsidiary of KB Financial Group, with strengths in retail banking and mortgage loans.

Kookmin Bank

Overview

KB Kookmin Bank is a wholly owned subsidiary of KB Financial Group and a leading commercial bank whose asset size and retail banking base rank among the top tier in South Korea's banking sector. The former Kookmin Bank, which began in 1963 under the banner of financial services for ordinary citizens, and the former Housing & Commercial Bank, established in 1967, merged in 2001 to grow into a large bank, and since the launch of KB Financial Group in 2008 it has served as the group's core profit base. It has particularly strong competitiveness in retail banking centered on individual customers, mortgage loans, and wealth management (WM).

Key Details

History and Governance

  • April 1963: establishment of the former Kookmin Bank (to encourage savings among ordinary citizens and support national finance)
  • 1967: establishment of the former Housing & Commercial Bank, which took on work related to the National Housing Fund and established itself as a specialized housing finance bank
  • After the Housing & Commercial Bank was privatized in 1995, Kookmin Bank and Housing & Commercial Bank merged in November 2001, launching the largest merged bank in the country
  • September 2008: transition to a holding company structure with the establishment of KB Financial Group
  • September 2015: renamed "KB Kookmin Bank" following brand integration

In terms of governance, it is a wholly owned subsidiary with KB Financial Group holding 100% of the shares, and it has a structure combining a management system centered on the bank's CEO with a board of directors, compliance monitoring, and risk management organizations. At the group level, it conducts cross-selling and linked operations with affiliates such as KB Kookmin Card, KB Securities, KB Insurance, and KB Life Insurance.

Business Segments and Competitiveness

It provides a wide range of financial services, from deposits and loans, foreign exchange, trusts, retirement pensions, bancassurance, and fund sales to PB wealth management. In particular, it maintains a high market share in household lending such as mortgage loans and jeonse (rental deposit) loans, and financing for sole proprietors (SMEs) and small and medium-sized enterprises is also a major pillar. Overseas, it has entered about 10 countries, including China, Japan, Vietnam, Indonesia, Cambodia, Myanmar, the Philippines, the United States, and the United Kingdom, operating local corporations and branches and transplanting its global retail model.

Digital and Platform Strategy

Centered on its flagship mobile app "KB Star Banking," it has integrated simple remittance, authentication, and asset management functions, and expanded into payments with "KB Pay." It is also broadening non-financial touchpoints through the budget mobile carrier (MVNO) brand "Liiv M" and partnerships with lifestyle platforms. A distinctive feature is its active adoption of artificial intelligence in internal operations as well, including AI chatbot consultations, fraud detection system (FDS), and non-face-to-face credit assessment.

Social Role

It also carries out public-interest roles such as supplying financial products for ordinary citizens, regional reinvestment, support for SMEs, and issuing ESG bonds. However, in the course of branch consolidations and digital transformation, accessibility issues for older adults and vulnerable groups have sometimes been raised as a social issue.

Latest Trends

In 2024–2025, as the base rate cut cycle began in earnest, pressure to shrink net interest margins (NIM) increased, and banks are focusing on expanding non-interest income and improving cost efficiency. In 2024, the large-scale losses on ELS linked to the Hong Kong H Index led to compensation procedures across the banking sector, and Kookmin Bank also faced the task of strengthening investor protection and internal controls. On the household debt management front, DSR regulations have been tightened and stress DSR has been expanded, slowing the growth of mortgage loans. In addition, automation of consultation and screening using generative AI, preparation of tokenized securities (STO) and digital asset infrastructure, and group-level corporate value enhancement (value-up) and expanded shareholder returns have emerged as major topics. Branches are trending toward reorganization into specialized branches and digital lounges rather than reduction.

Related Topics

  • [[KB Financial Group]]
  • [[Shinhan Bank]]
  • [[Woori Bank]]
  • [[Hana Bank]]
  • [[Mortgage Loan]]
  • [[Internet-only Bank]]