
E.SUN Commercial Bank
Corporate brand
UnclaimedA Taiwanese commercial bank offering retail, corporate, wealth-management, digital, and cross-border financial services.
Last updated August 27, 2026
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Overview
E.SUN Commercial Bank, commonly known as E.SUN Bank or E.SUN, is a Taiwan-based commercial banking institution headquartered in Taipei. Established in 1992 by Yung-Jen Huang, the bank developed during a period when Taiwan’s financial sector was responding to the rapid growth of Asian markets, international trade, and financial innovation. It later became the principal banking subsidiary of E.SUN Financial Holding Company and a central component of the group’s financial-services operations. The bank serves both individual and institutional customers. Its activities include deposit-taking, corporate and commercial lending, personal lending, credit cards, foreign-exchange services, wealth management, and digital banking. Corporate banking is an important part of its business, supporting companies involved in domestic commerce, manufacturing, technology, and cross-border trade. Retail services include transaction accounts, payment products, consumer credit, cards, and online or mobile banking. Wealth-management services address investment and financial-planning needs, although the precise products offered may vary by market and regulatory authorization. E.SUN has also built an international network designed to support Taiwanese companies and regional business flows. The network described in reference material includes operations in mainland China, Hong Kong, Cambodia, Singapore, the United States, Japan, Australia, Vietnam, and Myanmar. Its overseas presence has included branches, subsidiaries, and representative offices. The mainland China platform has operated multiple sites, while the Cambodian subsidiary, Union Commercial Bank, has maintained a network of local presences. Other named locations include Los Angeles, Singapore, Dong Nai, Sydney, Brisbane, Yangon, Tokyo, and Hanoi. The brand is associated with a service-oriented and relatively conservative banking approach. Its stated positioning emphasizes customer focus, service quality, innovation, and long-term institutional trust. Digital banking and cross-border services are recurring areas of emphasis, reflecting the needs of mobile customers and Taiwanese businesses operating throughout Asia and other international markets. The bank’s international strategy has generally complemented, rather than replaced, its extensive Taiwan branch network. Reference material reported that E.SUN Bank had 139 branches in Taiwan and 28 branches or subsidiaries across nine countries and jurisdictions as of December 31, 2020. For 2020, the same material reported profit after tax of NT$16.465 billion, earnings per share of NT$1.43, return on equity of 9.45%, and return on assets of 0.61%. Total loans grew by 12.3% and total deposits by 19.4% during that year. Reported asset-quality indicators included a non-performing-loan ratio of 0.19% and a non-performing-loan coverage ratio of 656.3%. These figures describe a specific reporting year and should not be treated as current performance. E.SUN Commercial Bank remains an active banking brand within E.SUN Financial Holding Company. Its public profile is based less on a single consumer product than on the combination of Taiwan retail and corporate banking, regional connectivity, international financial services, and technology-enabled customer access.
History
E.SUN Commercial Bank was founded in Taiwan in 1992 by Yung-Jen Huang. Its creation came amid expanding Asian trade and a broader movement toward financial-sector modernization and product innovation. From the beginning, the bank’s development was connected to the needs of a more internationally integrated Taiwanese economy, including corporate finance, personal banking, and services for companies with regional operations. The bank expanded its domestic franchise through a Taiwan branch network while broadening its service range. Its business came to include deposits, lending, payment and card services, foreign exchange, wealth management, and digital channels. Corporate banking became an important capability, allowing the institution to serve businesses alongside its retail customer base. The bank’s service identity has emphasized customer experience, institutional reliability, and technology-supported convenience. E.SUN later became the core banking subsidiary of E.SUN Financial Holding Company. Within the holding-company structure, the commercial bank has served as the principal platform for deposit-taking, lending, payment services, and many customer-facing financial activities. The group relationship also enabled the bank to participate in a wider financial-services organization while retaining its own commercial-bank brand. Internationalization was a major part of the bank’s subsequent development. E.SUN established or operated sites in mainland China, Hong Kong, Cambodia, Singapore, the United States, Japan, Australia, Vietnam, and Myanmar. Its international structure included branches, subsidiaries, and representative offices rather than a uniform format in every market. The Cambodian business operated through Union Commercial Bank, while the mainland China business operated through E.SUN Bank (China). Named overseas locations included Los Angeles, Singapore, Dong Nai, Sydney, Brisbane, Yangon, Tokyo, and Hanoi. By the end of 2020, reference material described E.SUN as having 139 branches in Taiwan and 28 branches and subsidiaries in nine countries and jurisdictions. The bank’s international footprint was intended to support Taiwanese companies, regional trade, remittances, foreign-exchange activity, and customers whose financial relationships crossed national borders. The 2020 performance information cited for the bank showed continued growth with reported profit after tax of NT$16.465 billion. Reported earnings per share were NT$1.43, return on equity was 9.45%, and return on assets was 0.61%. Loans increased 12.3% and deposits increased 19.4%. The same material reported a 0.19% non-performing-loan ratio and a 656.3% non-performing-loan coverage ratio. These figures are historical and relate specifically to 2020. In its present identity, E.SUN Commercial Bank is an active Taiwanese banking brand combining domestic retail and corporate services with regional and international operations. Its principal strategic themes are customer-oriented service, prudent banking, digital access, and cross-border financial connectivity.
- 2020
Domestic and international network documented
[1]Reference material described 139 Taiwan branches and 28 overseas branches or subsidiaries across nine countries and jurisdictions at year-end.
- 2020
Reported profitable growth
[1]The bank reported NT$16.465 billion in profit after tax, with growth in loans and deposits and a reported non-performing-loan ratio of 0.19%.
- 1992
E.SUN Commercial Bank is founded
[1]Yung-Jen Huang founded E.SUN Commercial Bank in Taiwan during a period of rapid Asian-market development and financial innovation.
Products and positioning
A customer-focused Taiwanese commercial bank emphasizing service quality, prudent management, digital innovation, and support for regional and cross-border business.
Business banking
Corporate banking
E.SUN provides financing and related banking services for companies and commercial customers. The offering supports working capital, investment, trade, treasury, and other business needs, with particular relevance to Taiwanese enterprises operating in domestic and overseas markets.
Consumer banking
Retail banking
The retail franchise covers everyday banking relationships, deposit accounts, personal lending, payment services, and credit cards. These products form the consumer-facing foundation of the bank’s Taiwan operations.
Investment and wealth services
Wealth management
E.SUN offers wealth-management services for customers seeking investment and financial-planning support. The precise product mix depends on applicable regulations and the customer’s market, but the activity complements the bank’s deposit, payment, and lending relationships.
Digital financial services
Digital banking
Digital channels extend account access, payments, servicing, and other banking functions beyond the physical branch network. Digital innovation is part of the brand’s stated service and customer-experience positioning.
International banking
Cross-border financial services
Through its overseas branches, subsidiaries, and representative offices, E.SUN supports international payments, foreign exchange, corporate finance, and banking relationships connecting Taiwan with regional and global markets.
Recent events
Empyrion Digital closes financing for TW1 data centre with E.Sun Bank[3]
Empyrion Digital closed a significant financial package with E.Sun Bank for TW1, its 7MW carrier-neutral colocation data centre in Neihu, Taipei, supporting its data centre portfolio expansion across Asia.
Reported
E.SUN Bank partners with Osley International team for trust services[4]
E.SUN Bank partnered with the International Osley team to offer trust value-added services, including consultation and assistance for customers with a care trust.
Reported
E.Sun Bank signs cooperation intention to purchase renewable electricity[5]
E.Sun Bank signed a cooperation intention with Taikang Sun Energy and Star Power to purchase renewable electricity generated at the Gongguan flood detention pond facility.
Reported
E.SUN Bank launches Fund e-Selection service[6]
E.SUN Bank launched Fund e-Selection, a mobile-banking investment service that uses a fund preference model to identify funds for customers.
- Unconfirmed
E.Sun Bank collaborates with National Chiao Tung University on mobile payments[7]
National Chiao Tung University worked with E.Sun Bank to build a campus mobile-payment system, with E.Sun Bank's multi-payment platform connecting the university system to payment providers.
Sources8 sources
- 1E.SUN Commercial Banken.wikipedia.org
- 2E.SUN Commercial Bank official websiteesunbank.com
- 3Empyrion Digital 与玉山银行完成 TW1 数据中心融资livenews.co.nz
- 4玉山银行与国际奥思礼团队合作推出信托加值服务chinatimes.com
- 5玉山银行签署绿电采购合作意向chinatimes.com
- 6玉山银行推出「基金e指选」服务thenewslens.com
- 7玉山银行与交通大学合作建设校园移动支付系统rfidworld.com.cn
- 8Empyrion Digital Closes Financing for TW1 Data Centre in Taiwan |Business Day Ghanabusinessdayghana.com
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