UI Bank operating profile (UI銀行 / きらぼし FG group)

Wiki route

This entry sits under banking index as the operating-profile companion to the entity anchor at UI Bank. Read it within the segment map at Japan net bank competition map, next to the regional-digital-bank peers Minna Bank BaaS model · 01 Bank, with the parent context at Tokyo Kiraboshi FG and Kiraboshi Bank, and against the ecosystem net-bank cohort Rakuten Bank · PayPay Bank · au Jibun Bank · Sony Bank for the broader smartphone-first banking distribution comparison. Pair it with regional bank API digital partnership route for the regional-group digital-strategy view.

TL;DR

UI銀行 (UI Bank Co., Ltd.) is the smartphone-first digital-bank subsidiary of Tokyo Kiraboshi FG, opened on 2022-01-04 as the group’s standalone digital bank. Its strategic logic is that the parent regional bank (Kiraboshi Bank) covers Tokyo-centric branch banking, while UI Bank takes the nationwide, smartphone-only customer journey that the legacy branch network cannot serve cost-effectively. UI Bank is one of three meaningful regional-group digital banks alongside Minna Bank (Fukuoka FG) and 01 Bank (Saitama Resona / Resona group), each with a distinct architectural read: Minna Bank specialises in BaaS partner-channel distribution, 01 Bank focuses on Resona-group cross-sell, UI Bank emphasises smartphone-first life-partner financial UX with API connectivity. Deposit balance has grown steadily since 2022 opening but remains sub-trillion-yen (approximately ¥0.7 trillion / ¥6,952億 as of 2025-03-31), an order of magnitude smaller than ecosystem-bank peers (Rakuten Bank ¥11.5tn / PayPay Bank ¥1.9tn / au Jibun ¥4tn+ at the same date). Tactical positioning emphasises the convergence of bank, savings, payment, and lifestyle services through a single mobile-first UX layer.

1. Identity and group position

Why a separate license from きらぼし銀行

1. Cost-base separation. A new license can build on cloud-native core banking without inheriting the legacy IT and branch-overhead cost base of きらぼし銀行.
2. Customer-segment specialisation. UI Bank can be designed end-to-end for smartphone-first users without the design compromises of a legacy-branch-and-app dual-mode bank.
3. Regulatory clarity. A standalone license allows distinct capital, risk, and BaaS-partnership disclosure, which is harder when digital business is bundled inside a regional bank’s segment reporting.

Group structure

東京きらぼし FG (TSE Prime, 7173)
  ├── きらぼし銀行 (regional bank, Tokyo-centred branch network)
  ├── UI Bank (this entry — nationwide smartphone-first digital bank)
  └── Other group financial subsidiaries

Account, deposit, payment

Loans and credit

UI Bank launched deposit-first (initially deposit-focused at 2022 opening) and has since built out a retail-loan menu: smartphone loan (UI プラン), free loan, auto loan, education loan, renovation loan, doctor loan, consolidation loan, an overdraft facility (UI サポート / 当座貸越), and housing loan — i.e. a consumer / retail lending set rather than a megabank-scale corporate-loan franchise. Specific product menus evolve; refer to UI Bank’s current product page for the active menu.

Smartphone-first UX

The UX architecture explicitly bundles bank account, deposit, payment, transfer, and 生活パートナー (lifestyle partner) features into a single app. The “対面・非対面のハイブリッド” framing means UI Bank can integrate to in-store touchpoints when partnered with きらぼし銀行 corporate clients or external alliances, but the default surface is mobile-only. ^•

Where UI Bank competes

Three-bank regional-digital comparison

| Dimension | UI Bank (this entry) | Minna Bank | 01 Bank | |---|---|---|---| | Parent group | Tokyo Kiraboshi FG | Fukuoka FG | Resona HD / Saitama Resona | | Opening | 2022-01 | 2021-05 | Later launch | | Channel architecture | Smartphone + web | BaaS partner journeys + direct app | Resona-group cross-sell + direct app | | Strategic axis | Smartphone-first life-partner banking + API | Full BaaS — partner brands own the customer journey | Group-customer digital adjunct | | BaaS depth | Lighter | Heaviest of the three | Lighter | | Direct UX maturity | Growing | Strong app UX | Growing |

4. KPI and franchise shape

UI Bank publishes selective KPI updates through きらぼし FG IR materials and its own disclosure publications; point-in-time deposit balance and account count appear there. The franchise pattern through the early years post-launch is:

5. Regulatory and policy boundary

Related

• INDEX
• japan-net-bank-competition-map
• regional-bank-api-digital-partnership-route
• regional-bank-consolidation-pattern
• baas-japan-landscape
• japan-banking-license-tier-comparison-matrix
• minna-bank-baas-model
• japan-baas-operating-models
• sony-bank · daiwa-next-bank · gmo-aozora-net-bank
• rakuten-bank · paypay-bank · au-jibun-bank
• ui-bank
• kiraboshi-fg
• kiraboshi-bank
• 01-bank
• bank-license-and-baas-boundary

Sources

• UI Bank corporate / product site (https://www.uibank.co.jp/).
• UI Bank corporate-information page (https://www.uibank.co.jp/info/).
• UI Bank UI プラス / service page — loan menu (UI プラン smartphone loan, free / auto / housing / doctor loans, UI サポート overdraft), API-connected 電子決済等代行業者 linkage, time deposits (https://www.uibank.co.jp/service/uiplus/).
• Wikipedia「UI銀行」— 預金残高 6,952億円 (2025-03-31), 口座数 73,000 (2023-03-31), 開業, 3-year targets (https://ja.wikipedia.org/wiki/UI銀行, 2026-05-29 確認).
• 銀行の預金残高ランキング（アルビノ）— UI銀行 6,865億円 / PayPay銀行 1兆9,122億円 / 楽天銀行 11兆4,763億円, いずれも 2025-03 (https://www.albino.co.jp/bank-deposit-balance-ranking/).
• Tokyo Kiraboshi Financial Group corporate / IR site (https://www.tokyo-kiraboshifg.co.jp/).
• FSA licensed bank list (https://www.fsa.go.jp/menkyo/menkyoj/ginkou.xlsx).