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Bank of Ayudhya

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Corporate brand

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A Thai commercial banking brand operating under the Krungsri name and associated with Mitsubishi UFJ Financial Group.

Last updated November 4, 2026

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Overview

Bank of Ayudhya Public Company Limited, commonly branded as Krungsri, is a full-service commercial bank headquartered in Bangkok, Thailand. It was established in 1945 in Phra Nakhon Si Ayutthaya, the former capital of Siam, and takes its formal name from Ayutthaya. The bank is publicly listed on the Stock Exchange of Thailand under the symbol BAY and is one of Thailand’s domestic systemically important banks. It is also among the country’s largest banks by assets, loans, and deposits. Krungsri serves consumers, small and medium-sized enterprises, large corporations, institutional clients, and affluent and private-banking customers. Its activities include deposits, payments, credit cards, personal lending, mortgages, automobile hire-purchase and leasing, business lending, cash management, trade finance, foreign exchange, investment banking, securities, asset management, insurance brokerage, and wealth management. The group also operates or invests in consumer-finance, microfinance, securities, leasing, and financial-technology businesses. The organization expanded substantially through acquisitions and partnerships during the late 2000s and early 2010s. Its strategic relationship with GE Capital began in 2007, followed by acquisitions involving GE consumer finance and auto lending, AIG’s Thai retail banking and card businesses, and HSBC Thailand’s retail banking operations. These transactions strengthened Krungsri’s consumer-credit franchise and broadened its customer and distribution base. The bank subsequently developed a regional financial-services platform through investments in Cambodia, the Philippines, Vietnam, and Indonesia. The bank’s public identity shifted toward the shorter Krungsri name after the consolidation of businesses and the integration of consumer-finance operations. The Krungsri brand is used across branches, ATMs, cards, digital banking, advertising, and the group’s website, while Bank of Ayudhya remains the formal corporate name. Its principal consumer-facing proposition is associated with the slogan “Make Life Simple,” which was refreshed in Thailand in 2023. Mitsubishi UFJ Financial Group became the bank’s controlling shareholder following the integration of the Bangkok branch business of Bank of Tokyo-Mitsubishi UFJ in 2015 and related ownership changes. This relationship connects Krungsri to one of Japan’s largest financial groups while leaving the bank as a Thailand-based listed institution serving domestic and regional markets. Krungsri’s distribution model combines conventional branches and ATMs with mobile banking, digital payments, banking agents, business centers, automobile dealers, and specialist financial-service channels. The group’s regional subsidiaries support cross-border corporate banking and consumer finance, particularly in mainland Southeast Asia and selected ASEAN markets.

History

Bank of Ayudhya was founded on 27 January 1945 in Phra Nakhon Si Ayutthaya Province and began operations on 1 April of that year with registered capital of one million baht. Its origin in Ayutthaya is reflected in both its formal name and later Krungsri branding. In 1970, the head office moved to Ploenchit Road in Bangkok. That year the bank received a royal warrant of appointment and permission to use the garuda emblem associated with the warrant. The bank became a publicly traded company when its shares were listed on the Stock Exchange of Thailand on 26 September 1977 under the symbol BAY. For much of its history it developed as a conventional Thai commercial bank, but its strategic direction changed significantly in the 2000s as it expanded into consumer finance and automobile lending. On 3 January 2007, Bank of Ayudhya and GE Capital formed a strategic partnership. GE Capital and the Ratanarak Group became major shareholders, and the relationship provided access to consumer-finance capabilities and operating businesses. Krungsri completed the acquisition of GE Capital Auto Lease in February 2008. The acquired company was later renamed Ayudhya Capital Auto Lease and became a significant component of the group’s automobile-finance activities. In 2009, Krungsri acquired AIG Retail Bank and AIG Card in Thailand, followed by the acquisition of GE Capital’s Thai consumer-finance businesses. It also acquired CFG Services, a microfinance and title-loan business associated with the “Srisawad Money on Wheels” operation. These transactions increased the bank’s exposure to cards, personal lending, automobile finance, and non-bank consumer credit. In March 2012, Krungsri acquired HSBC Thailand’s retail banking business, including credit cards, personal loans, mortgages, and deposits. The bank’s relationship with Mitsubishi UFJ Financial Group became more direct in the middle of the 2010s. On 5 January 2015, the Bangkok branch business of Bank of Tokyo-Mitsubishi UFJ was integrated into Krungsri in accordance with Thailand’s One Presence policy. Krungsri issued ordinary shares to BTMU in connection with the transfer. The transaction strengthened the bank’s corporate and cross-border banking capabilities and placed it within the broader MUFG group structure. Krungsri then developed an ASEAN-oriented platform. It opened a representative office in Yangon in April 2015, acquired Cambodian microfinance institution Hattha Kaksekar in 2016, and established the venture-capital business Krungsri Finnovate in 2017. Hattha later received approval to operate as Hattha Bank, a commercial bank in Cambodia. Krungsri also expanded into the Philippines through SB Finance and later Home Credit, into Vietnam through SHBank Finance, and into Indonesia through Home Credit’s local operations. The bank has continued to broaden its financial-services capabilities in Thailand. The group includes businesses in automobile finance, credit cards, personal loans, securities, investment management, leasing, insurance brokerage, debt collection, technology, and microfinance. In 2023 it completed the acquisition of Capital Nomura Securities, which became Krungsri Capital Securities. The same year it refreshed the Krungsri brand and its Thai “Make Life Simple” slogan. Today, Bank of Ayudhya remains a listed Thai commercial bank operating under the Krungsri identity. Its business combines domestic universal banking with specialist consumer-finance operations and regional subsidiaries. The bank’s distribution system includes physical branches, ATMs, business centers, automobile dealers, agents, and digital channels. Its designation as a domestic systemically important bank reflects its importance to Thailand’s financial infrastructure.

  • 2023

    Regional acquisitions and brand refresh

    [1]

    The group acquired or invested in securities and consumer-finance businesses in Vietnam, the Philippines, and Indonesia, and refreshed the Krungsri brand.

  • 2020

    ASEAN consumer-finance expansion

    [1]

    Krungsri acquired a 50 percent stake in SB Finance in the Philippines, while its Cambodian subsidiary obtained commercial-bank approval.

  • 2017

    Designated a domestic systemically important bank

    [1]

    The Bank of Thailand recognized Krungsri as a domestic systemically important bank.

  • 2016

    Hattha Kaksekar acquired

    [1]

    Krungsri acquired Cambodian microfinance institution Hattha Kaksekar.

  • 2015

    BTMU Bangkok branch integrated

    [1]

    The Bangkok branch operations of Bank of Tokyo-Mitsubishi UFJ were transferred into Krungsri.

  • 2012

    HSBC Thailand retail banking business acquired

    [1]

    Krungsri acquired HSBC Thailand's retail banking activities, including cards, deposits, mortgages, and personal loans.

  • 2009

    AIG and GE consumer businesses acquired

    [1]

    The bank acquired AIG's Thai retail banking and card businesses and GE Capital's Thai consumer-finance operations.

  • 2008

    GE Capital Auto Lease acquired

    [1]

    Krungsri completed the acquisition of GE Capital Auto Lease, later renamed Ayudhya Capital Auto Lease.

  • 2007

    GE Capital strategic partnership begins

    [1]

    Krungsri and GE Capital entered a strategic partnership that supported the bank's consumer-finance expansion.

  • 1977

    Shares listed on the Stock Exchange of Thailand

    [1]

    Bank of Ayudhya became a listed company under the BAY trading symbol.

Products and positioning

A large, diversified Thai bank combining mass-market retail finance, corporate banking, automobile finance, digital services, and regional ASEAN financial businesses under the Krungsri brand. Thai commercial banking with a customer-oriented retail and lending proposition, operating under the Krungsri brand and connected to Mitsubishi UFJ Financial Group.

  • Retail banking

    Krungsri Retail Banking

    The retail franchise provides deposit accounts, payment services, personal loans, home loans, credit cards, and digital banking. It serves mass-market and affluent customers through branches, ATMs, agents, cards, and mobile channels.

  • Credit cards

    Krungsri Credit Cards

    Krungsri’s card business includes consumer credit cards and related payment services. The franchise expanded through the acquisitions of AIG Card, GE consumer-finance operations, and HSBC Thailand’s retail card portfolio. Krungsri credit cards are identified in the existing dossier as a flagship offering. They form part of the bank's consumer-finance and payment-services portfolio. No detailed product-level information, launch date, card tiers, benefits, or current terms is provided in the available sources.

  • Automobile finance

    Krungsri Auto

    Krungsri Auto provides vehicle hire-purchase and related automobile-finance services through specialist channels and dealer networks. Its scale was reinforced by the acquisition of GE Capital Auto Lease in 2008.

  • Corporate and SME banking

    Krungsri Business Banking

    Business banking covers lending, deposits, cash management, trade finance, foreign exchange, and transaction services for SMEs, corporations, and institutional customers. The MUFG relationship supports cross-border and Japanese-corporate banking.

  • Wealth management

    Krungsri Private Banking

    The group provides wealth-management and private-banking services for affluent customers, including investment-related advice and access to products distributed through its banking and asset-management businesses.

  • Financial services

    Regional microfinance and consumer finance

    Through subsidiaries and investments such as Hattha Bank, SB Finance, SHBank Finance, and Home Credit operations, Krungsri serves underbanked and consumer-finance markets across Southeast Asia.

  • Retail banking

    Personal banking services

    Krungsri's personal-banking offer includes customer-facing financial services and personal credit products. The official personal-banking page describes a range of personal loan services designed to address different customer needs. The available reference does not provide sufficient detail to enumerate every current product, eligibility condition, or pricing feature.

  • Consumer lending

    Krungsri personal loans

    Personal lending is one of the explicitly identified components of the Krungsri personal-banking portfolio. The bank presents these services as a selection of personal credit options covering differing customer requirements. Specific product names, rates, limits, and launch dates are not established by the supplied material.

  • Business banking

    Corporate and commercial banking

    The bank's business scope includes corporate banking and commercial lending for business customers. The supplied material does not specify the complete product range, customer segmentation, transaction-banking services, or financing programs associated with this line.

Marketing campaigns

  • 2023Krungsri brand refresh

    Thailand

    Krungsri refreshed its visual and verbal brand expression and updated the Thai version of its "Make Life Simple" slogan.

    Outcome. The refresh reinforced the bank’s consumer-facing identity and its emphasis on simpler everyday financial experiences.

  • 2014Krungsri brand consolidation

    Thailand

    After the expansion and consolidation of its banking and consumer-finance businesses, Bank of Ayudhya increasingly presented itself publicly as Krungsri, using the shorter name across customer-facing channels and the "Make Life Simple" positioning.

    Outcome. Krungsri became the dominant customer-facing identity while Bank of Ayudhya remained the formal corporate name.

Brand decisions

  • 2023

    Broaden the ASEAN financial-services platformM&A

    Background

    Krungsri continued to pursue regional scale in securities and consumer finance.

    Action taken

    The group acquired Capital Nomura Securities, invested in SHBank Finance in Vietnam, and acquired Home Credit operations in the Philippines and Indonesia.

    Aftermath

    The transactions broadened the group’s regional securities and consumer-finance presence.

  • 2016

    Acquire Hattha Kaksekar in CambodiaM&A

    Background

    Krungsri pursued regional growth through financial institutions serving Cambodia’s microfinance and emerging commercial-banking market.

    Action taken

    The group acquired Hattha Kaksekar Limited.

    Aftermath

    Hattha later received approval to operate as Hattha Bank, becoming a regional banking subsidiary.

  • 2015

    Integrate the BTMU Bangkok branchM&A

    Background

    Thailand’s One Presence policy required the local banking presence of the related Japanese institution to be consolidated.

    Action taken

    Krungsri integrated the Bangkok branch business of Bank of Tokyo-Mitsubishi UFJ and issued ordinary shares in connection with the transfer.

    Aftermath

    The transaction deepened the bank’s connection with MUFG and strengthened its corporate and cross-border capabilities.

  • 2012

    Acquire HSBC Thailand retail banking operationsM&A

    Background

    The acquisition offered a way to increase Krungsri’s retail customer base and strengthen cards, deposits, mortgages, and personal lending.

    Action taken

    Krungsri acquired HSBC Thailand’s retail banking business.

    Aftermath

    The transaction expanded the group’s retail banking operations and increased the relative importance of retail lending.

  • 2007

    Enter a strategic partnership with GE CapitalStrategy

    Background

    Krungsri sought to expand beyond traditional commercial banking into consumer finance and related lending.

    Action taken

    The bank entered a strategic partnership with GE Capital, which became a major shareholder and operating partner.

    Aftermath

    The relationship was followed by acquisitions in automobile finance, cards, personal lending, and other consumer-finance activities.

Sources3 sources

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