KakaoBank
A South Korean digital bank that provides mobile-first banking, payments, lending, savings, remittance, and foreign-exchange services.
Last updated August 31, 2026
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Overview
KakaoBank is a South Korean financial institution focused on mobile banking and digital financial services. The bank was established in 2016 through a collaboration between Kakao Corp., the technology group behind KakaoTalk, and Korea Investment Holdings. It launched commercially in July 2017 as one of South Korea's first major branchless internet banks. The bank's initial proposition was to make everyday banking simpler through a smartphone application rather than a conventional branch network. Customers could open accounts, verify their identities, transfer money, apply for loans, manage savings, send remittances, and conduct foreign-exchange transactions digitally. KakaoBank adopted modern know-your-customer processes, including selfie-based identity verification, and benefited from the reach of Kakao's communications ecosystem. KakaoTalk was used by a large majority of South Koreans when the bank began operations, giving KakaoBank a potentially powerful customer-acquisition channel and helping it present banking as an extension of familiar mobile services. KakaoBank experienced exceptionally rapid adoption after launch. It reportedly attracted more than 300,000 customers during its first 24 hours and reached two million customers within approximately two weeks. By July 2019, its customer base had exceeded 10 million, and the bank reported its first net profit during that year. In June 2019, it reported deposits of approximately KRW 17.6 trillion and loans of approximately KRW 11.3 trillion. The bank's Android application was identified in July 2019 as Korea's leading banking application by monthly active users and downloads. Growth continued during the following years. In 2021, KakaoBank reported more than 17.4 million customers and approximately 14.7 million monthly active users. The business expanded beyond basic deposits and payments into consumer credit, savings products, overseas remittances, foreign exchange, and other app-based financial services. Its competitive identity has centered on accessibility, quick onboarding, a user-friendly interface, and close integration with the broader Kakao digital ecosystem. KakaoBank also attracted substantial private investment before becoming a public company. In October 2020, a capital infusion of approximately KRW 750 billion from TPG Capital and existing shareholders was associated with a reported valuation of about KRW 8.6 trillion. The bank publicly disclosed its intention to pursue an initial public offering in September 2020, appointed KB Securities and Credit Suisse as lead managers, and selected Citi as a co-manager. It subsequently listed on the Korean market in 2021. Its international strategy has focused on partnerships and minority investments rather than immediately establishing a fully independent overseas branch network. In 2023, KakaoBank acquired a 10 percent stake in Indonesia's Superbank and formed a consortium with SCB X, the holding company associated with Thailand's Siam Commercial Bank. Reference material states that the consortium received a Thai banking license in 2025 and signed an agreement in January 2026 to launch a digital-banking platform in Thailand with China's WeBank. These initiatives position KakaoBank as a South Korean digital-banking operator seeking to export its technology, operating model, and mobile-finance capabilities beyond its home market.
History
KakaoBank was created in 2016 as a joint initiative involving Kakao Corp. and Korea Investment Holdings. Its formation reflected South Korea's development of internet-only banks and the growing use of smartphones for payments, communications, and financial administration. Kakao brought a large consumer-facing digital ecosystem, while the banking venture combined that distribution potential with regulated financial operations. The bank began commercial service in July 2017. Unlike traditional banks, it was designed around a mobile application and did not depend on a conventional branch network for routine customer service. Its account-opening process used digital identity-verification techniques, including selfie-based authentication, and its application allowed users to perform common banking tasks from a smartphone. The service was positioned as fast, accessible, and easy to understand, with the Kakao brand helping reduce the distance between social applications and financial services. Adoption was immediate. KakaoBank reportedly acquired more than 300,000 customers within its first 24 hours and reached two million customers within approximately two weeks. The bank continued to scale during 2018 and 2019, expanding deposits, loans, remittances, foreign exchange, savings, and other app-based services. In June 2019, it reported deposits of about KRW 17.6 trillion and loans of about KRW 11.3 trillion. Its customer base passed 10 million by July of that year, and it recorded its first net profit in 2019. During the same period, its Android application was identified as Korea's leading banking app by monthly active users and downloads. KakaoBank's growth model depended on a combination of mobile usability, a broad consumer audience, and product simplicity. KakaoTalk's extensive domestic reach gave the bank a natural route to awareness and customer acquisition, although the bank operated as a financial institution rather than merely as a feature within the messaging service. Its principal competitive distinction was the ability to complete banking activities digitally, with fewer physical interactions and a user experience modeled on mainstream mobile applications. The bank pursued additional capital and prepared for public ownership as its scale increased. In October 2020, TPG Capital and existing shareholders participated in a reported KRW 750 billion capital infusion that was associated with an estimated valuation of approximately KRW 8.6 trillion. KakaoBank disclosed IPO plans in September 2020, appointed KB Securities and Credit Suisse as lead managers, and named Citi as a co-manager. The bank subsequently became publicly listed in 2021. By 2021, KakaoBank reported more than 17.4 million customers and around 14.7 million monthly active users. Its service scope had developed into a broad mobile-banking offering covering deposits, savings, payments and transfers, personal lending, international remittances, and foreign exchange. The bank's expansion therefore combined scale in its domestic market with a widening product portfolio. From 2023 onward, KakaoBank began pursuing a more explicit international strategy. It acquired a 10 percent interest in Indonesia's Superbank and joined with SCB X in a consortium focused on Thailand. Reference material states that the consortium received a Thai banking license in 2025 and later agreed with WeBank to launch a Thai digital-banking platform in January 2026. These moves represent a shift from a primarily Korea-centered mobile bank toward a platform and partnership model that seeks opportunities in other Asian digital-finance markets. The bank remains active and publicly listed, with South Korea as its principal operating market.
- 2026
Thai digital-banking platform agreement
[1]Reference material states that KakaoBank, SCB X, and WeBank agree to launch a digital-banking platform in Thailand.
- 2025
Thai banking license granted
[1]Reference material states that the KakaoBank-SCB X consortium receives a license to operate a bank in Thailand.
- 2023
International expansion into Indonesia
[1]KakaoBank acquires a 10 percent stake in Indonesia's Superbank.
- 2023
Thailand consortium formed
[1]KakaoBank joins SCB X in a consortium pursuing digital-banking operations in Thailand.
- 2021
Public listing
[1]KakaoBank becomes a publicly listed company in Korea.
- 2021
Customer base exceeds 17 million
[1]The bank reports more than 17.4 million customers and approximately 14.7 million monthly active users.
- 2020
IPO preparation and capital raising
[1]The bank announces IPO plans and receives reported new capital associated with an estimated valuation of KRW 8.6 trillion.
- 2019
Customer base passes ten million
[1]KakaoBank exceeds ten million customers and reports its first net profit.
- 2017
Commercial launch
[1]The mobile-focused internet bank begins operations in July and rapidly attracts hundreds of thousands of customers.
- 2016
KakaoBank is established
[1]KakaoBank is founded through a collaboration between Kakao Corp. and Korea Investment Holdings.
Products and positioning
A branchless, mobile-first bank emphasizing simple onboarding, accessible financial products, rapid digital transactions, and integration with the Kakao consumer-technology ecosystem.
Mobile banking platform · 2017
KakaoBank mobile application
The central customer interface for KakaoBank. The application supports digital account opening, identity verification, balances, transfers, savings management, loan applications, remittances, and foreign-exchange activity. Its design emphasizes self-service banking through a smartphone rather than branch visits.
Deposit banking · 2017
KakaoBank checking and demand-deposit accounts
Everyday deposit accounts designed for receiving, holding, and transferring money through the KakaoBank application. These accounts form the basic relationship between the customer and the branchless bank and are connected to the bank's digital transfer and payment functions.
Savings and deposits · 2017
KakaoBank savings products
Savings-oriented products that allow customers to set aside money and manage deposits digitally. The products are part of KakaoBank's effort to provide ordinary retail-banking functions through a mobile interface without requiring customers to use a physical branch.
Consumer lending · 2017
KakaoBank personal loans
Digital personal-lending services that allow eligible customers to apply for credit and manage borrowing through the bank's application. Lending became an important part of KakaoBank's balance sheet as the institution expanded beyond deposits and transfers.
Cross-border payments
International remittance services
App-based services for sending money internationally. They extend KakaoBank's mobile convenience proposition to cross-border transfers and complement its domestic account and payment functions.
Foreign exchange
Foreign-exchange services
Digital foreign-exchange functionality offered through the mobile banking platform. The service supports customers who need to exchange currencies or manage international financial activity without visiting a conventional bank branch.
Brand decisions
2023
Expand through Asian digital-banking partnershipsM&ABackground
After establishing a large domestic customer base, KakaoBank sought international growth through investments and local partnerships.
Action taken
The bank acquired a 10 percent stake in Indonesia's Superbank and joined SCB X in a Thailand-focused consortium.
Aftermath
Reference material states that the consortium later obtained a Thai banking license and agreed with WeBank to develop a Thai digital-banking platform.
2020
Prepare for a public listingOtherBackground
KakaoBank's rapid growth and capital requirements led it to pursue an IPO.
Action taken
The bank disclosed its IPO intention, appointed KB Securities and Credit Suisse as lead managers, and selected Citi as a co-manager.
Aftermath
KakaoBank subsequently became publicly listed in 2021.
2016
Adopt a branchless mobile-banking modelStrategyBackground
KakaoBank was established during the development of South Korea's internet-only banking sector and was designed around smartphone-based financial services.
Action taken
The bank built its customer experience around a mobile application, digital identity verification, and self-service banking instead of a conventional branch network.
Aftermath
The model supported rapid customer acquisition after the 2017 launch and became the foundation of KakaoBank's brand positioning.
Recent events
- 2026
KakaoBank and partners agree to develop a Thai digital bank[1]
Product launch
Reference material states that KakaoBank, SCB X, and WeBank signed an agreement to launch a digital-banking platform in Thailand.
- 2025
KakaoBank-led consortium receives Thai banking license[1]
Regulation
Reference material states that the KakaoBank and SCB X consortium was granted a license to operate a bank in Thailand.
- 2025
KakaoBank releases a K-Path version of its debit card[3]
Product launch
KakaoBank joined the K-Path public-transport benefit program with iM Bank and introduced a related version of its debit card, featuring a Chun-sik character design.
- 2023
KakaoBank expands into Indonesia through Superbank investment[1]
M&A
KakaoBank acquired a 10 percent stake in Indonesian digital bank Superbank as part of its international expansion strategy.
- 2023
KakaoBank forms Thailand digital-banking consortium[1]
M&A
KakaoBank formed a consortium with SCB X, the holding company associated with Siam Commercial Bank, to pursue digital-banking opportunities in Thailand.
- 2021
KakaoBank lists publicly[1]
Other
KakaoBank completed its public listing on the Korean market after pursuing an IPO process that began in 2020.
- 2021
KakaoBank surpasses 17 million customers[1]
Other
The bank reported more than 17.4 million customers and approximately 14.7 million monthly active users.
- 2021
KakaoBank lists on the KOSPI market[1]
Other
KakaoBank completed an initial public offering and began trading on South Korea’s KOSPI market in August 2021 under ticker 323410.
- 2020
KakaoBank discloses plans for an initial public offering[1]
Other
The bank publicly announced its intention to pursue an IPO and selected KB Securities and Credit Suisse as lead managers, with Citi serving as a co-manager.
- 2020
KakaoBank receives private capital investment and higher valuation[1]
M&A
A reported KRW 750 billion capital infusion from TPG Capital and existing shareholders was associated with an estimated corporate valuation of approximately KRW 8.6 trillion.
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