# United Overseas Bank (UOB)

> Source: https://docs.barcoder.ai/docs/wallets/uob-singapore
> research date 2026-05-29 · extracted at 2026-10-07
> Publisher: Barcoder — encyclopedia of QR, barcode and payment-code standards

Specifications:
- [UOB Singapore — official](https://www.uob.com.sg/)

## Overview

**UOB (United Overseas Bank)** is **one of Singapore's Big-3 banks** + **major ASEAN banking group** <sup>[1][1], [2][2], [Singapore report](https://docs.barcoder.ai/docs/payments/SG)</sup>. **UOB TMRW** = UOB's all-in-1 banking app — **H1 2025 baseline**: **80%+ of UOB's retail customers being digitally enabled**.

**Distinctive UOB TMRW positioning** <sup>[3][3], [4][4]</sup>:
- **UOB TMRW = "all-in-1 app for all financial needs"** designed to make banking simple, easy and personal
- **80%+ retail customers digitally enabled** as of H1 2025 — distinctive UOB digital adoption rate
- **Most used features**: Payment features (QR codes + PayNow); transfers using mobile number + NRIC/FIN + UEN (no bank account number required)
- **Rewards+ program**: Personalized exclusive deals on dining + shopping + travel; track and use cashback + rewards points
- **Digital wealth ASEAN rollout**: SG 2021 + Thailand 2024 + Indonesia + Malaysia 2025 — distinctive UOB ASEAN digital-wealth platform
- **UOB TMRW = UOB's common platform** to offer digital investment capabilities across the region

## History

**1935 — United Chinese Bank** founded in Singapore by **Wee Kheng Chiang + group of Chinese businessmen**.

**1965 — Renamed United Overseas Bank**.

**1971 — UOB acquires Chung Khiaw Bank**.

**2002 — UOB acquires Overseas Union Bank (OUB)** — major SG consolidation.

**2004 — UOB acquires Bank of Asia (Thailand)** — Thailand expansion (became UOB Thailand).

**February 2019 — UOB TMRW launches** as UOB's first mobile-only bank designed for ASEAN — distinctive Singapore mobile-only banking launch.

**2021 — UOB TMRW digital wealth rolled out in Singapore**.

**2024 — UOB TMRW digital wealth rolled out in Thailand**.

**2025 — UOB TMRW digital wealth rolled out in Indonesia and Malaysia** <sup>[3][3]</sup> + **80%+ UOB retail customers digitally enabled (H1 2025)** <sup>[4][4]</sup>.

## Ownership & operator

**Operating entity**: **United Overseas Bank Limited (UOB)** (SGX: U11).

**Major shareholders**: **Wee family (Wee Cho Yaw family-controlled; substantial stake) + various Singapore + international institutional + SGX public float** (Wee family-controlled).

**Regulators**: **MAS (Monetary Authority of Singapore)** + per-country (BNM MY + BoT TH + OJK ID + SBV VN + BSP PH + others).

## Technical integration

| Layer | Description |
|---|---|
| **Channels** | UOB TMRW app (iOS + Android; UOB's all-in-1 banking app + ASEAN common platform) + UOB Online Banking + UOB cards (Visa + Mastercard; UOB Reserve + UOB One + UOB Lady's + UOB Krisflyer) + UOB branch network |
| **Identifiers** | Phone + email + card number + NRIC + FIN + UEN |
| **SG + ASEAN rails** | **[PayNow QR](https://docs.barcoder.ai/docs/standards/paynow-qr) + [SGQR](https://docs.barcoder.ai/docs/standards/sgqr) + [DuitNow QR](https://docs.barcoder.ai/docs/standards/duitnow-qr) + [PromptPay QR](https://docs.barcoder.ai/docs/standards/promptpay-qr) + [QRIS](https://docs.barcoder.ai/docs/standards/qris)** (SG PayNow + SGQR + MY DuitNow QR + TH PromptPay + ID QRIS; ASEAN multi-rail interoperability via UOB TMRW) |
| **License** | Bank (UOB full Singapore banking license; SG Big-3 + multi-ASEAN) |
| **Sub-products** | UOB Account + UOB Cards + UOB Credit + UOB Mortgages + UOB Investments + UOB Insurance + UOB Wealth + UOB Private Banking + UOB Kay Hian (UOB's securities/brokerage arm) + UOB Asset Management + UOB Malaysia + UOB Thailand (post-2004 Bank of Asia) + UOB Indonesia + UOB Vietnam + UOB Greater China + UOB TMRW (all-in-1 banking app) + UOB Rewards+ (loyalty) |
| **Distinctive UOB TMRW ASEAN digital wealth rollout**: SG 2021 + TH 2024 + ID + MY 2025 |
| **Multi-ASEAN presence**: 18+ countries (SG primary + MY + TH + ID + VN + PH + MM + BN + others) |

## Users & growth

**H1 2025 baseline** <sup>[3][3], [4][4]</sup>:
- **80%+ UOB retail customers digitally enabled** as of H1 2025
- **UOB TMRW all-in-1 banking app** + ASEAN common digital wealth platform
- **Digital wealth ASEAN rollout**: SG 2021 + TH 2024 + ID + MY 2025
- **SG Big-3 bank** + major ASEAN banking group
- **Multi-ASEAN presence**: 18+ countries

## Use cases

Singaporean + multi-ASEAN (MY + TH + ID + VN + PH + MM + BN) + Greater China retail + corporate + investment + wealth-management + insurance + private banking via UOB TMRW all-in-1 banking app + UOB Online + cards + branches; ASEAN multi-rail interoperability (SG PayNow + SGQR + MY DuitNow QR + TH PromptPay + ID QRIS) via UOB TMRW; UOB Kay Hian securities + UOB Asset Management + UOB Wealth + UOB Private Banking; multi-country (UOB Malaysia + UOB Thailand + UOB Indonesia + UOB Vietnam + UOB Greater China).

## Implementations & partners

**Operator**: **United Overseas Bank Limited (UOB)** (SGX: U11).

**Major shareholders**: **Wee family (Wee Cho Yaw family-controlled; substantial stake) + Singapore + international institutional + SGX public float** (Wee family-controlled).

**Major Singapore banking competitors**:
- **[DBS Bank (Singapore)](https://docs.barcoder.ai/docs/wallets/dbs-singapore)** (DBS; SG's largest bank + leading Asian bank; DBS digibank + DBS PayLah!; POSB subsidiary; 17+ countries)
- **[OCBC Singapore App](https://docs.barcoder.ai/docs/wallets/ocbc-bank)** (Oversea-Chinese Banking Corporation; SG Big-3; AI 250M+ yearly insights pushed to customers; Bank of Singapore private banking subsidiary; Lee family-controlled)
- **Standard Chartered Singapore** + **HSBC Singapore** + **Citibank Singapore** + **Maybank Singapore** (international banks in SG)
- **[GXS Bank](https://docs.barcoder.ai/docs/wallets/gxs-bank)** (Batch 27 covered; Grab + Singtel SG digital bank)
- **MariBank** (Sea Limited digital bank)
- **Trust Bank** (Standard Chartered + FairPrice Group SG digital bank)

**UOB subsidiaries**: **UOB Malaysia + UOB Thailand (post-2004 Bank of Asia) + UOB Indonesia + UOB Vietnam + UOB Greater China + UOB Kay Hian (securities) + UOB Asset Management**.

**Singapore PayNow consortium**: UOB + DBS + OCBC + Standard Chartered + Citibank + HSBC + Maybank + Bank of China + ICBC + 7 others.

**Regulators**: **MAS + per-country (BNM MY + BoT TH + OJK ID + SBV VN + BSP PH + others across 18+ countries)**.

## Fun facts

- **SG Big-3 bank** (alongside DBS + OCBC).
- **1935 founding as United Chinese Bank** by Wee Kheng Chiang + group of Chinese businessmen — distinctive Singapore Chinese-banking heritage.
- **1965 renamed United Overseas Bank**.
- **Wee family-controlled** — distinctive Wee Cho Yaw family Chinese-Singaporean banking heritage.
- **February 2019 UOB TMRW launches** as UOB's first mobile-only bank for ASEAN.
- **80%+ UOB retail customers digitally enabled** as of H1 2025.
- **UOB TMRW = UOB's common platform** to offer digital investment capabilities across the region.
- **Digital wealth ASEAN rollout**: SG 2021 + TH 2024 + ID + MY 2025.
- **2004 UOB acquires Bank of Asia (Thailand)** — Thailand expansion.
- **Multi-ASEAN presence**: 18+ countries.
- **UOB Kay Hian securities subsidiary**.

## Comparison

| Feature | UOB TMRW | [DBS Bank (Singapore)](https://docs.barcoder.ai/docs/wallets/dbs-singapore) (SG's largest bank rival; DBS digibank + DBS PayLah!) | [OCBC Singapore App](https://docs.barcoder.ai/docs/wallets/ocbc-bank) (SG Big-3 rival; AI 250M+ yearly insights) | [GXS Bank](https://docs.barcoder.ai/docs/wallets/gxs-bank) (Batch 27; SG Grab + Singtel digital bank comparable) | [Bank Central Asia (BCA)](https://docs.barcoder.ai/docs/wallets/bank-central-asia) (Indonesia's largest private bank by market cap comparable ASEAN) |
|---|---|---|---|---|---|
| Operator | **United Overseas Bank Limited (SGX: U11; Wee family Wee Cho Yaw family-controlled + Singapore + international institutional + SGX float)** | DBS Bank Ltd. (DBS Group Holdings; SGX: D05; Temasek Holdings Singapore SWF majority via Singapore government + institutional + SGX float) | Oversea-Chinese Banking Corporation Ltd. (SGX: O39; Lee Foundation Lee family-controlled + institutional + SGX float) | GXS Bank (Grab + Singtel SG digital bank JV) | PT Bank Central Asia Tbk (IDX: BBCA; Djarum Group / Hartono family) |
| Type | **SG Big-3 + UOB TMRW all-in-1 banking app + ASEAN common digital wealth platform (SG 2021 + TH 2024 + ID + MY 2025) + 80%+ digitally enabled H1 2025 + multi-ASEAN 18+ countries** | Singapore's largest bank + leading Asian bank + DBS digibank + DBS PayLah! SG mobile wallet + POSB subsidiary + DBS digibank India + 17+ countries | SG Big-3 + AI personalized recommendations + 250M+ insights yearly + Bank of Singapore private banking + OCBC Wing Hang HK + OCBC NISP Indonesia + Great Eastern Holdings insurance + 17+ countries | SG Grab + Singtel digital bank | Indonesia's largest private bank by market cap + 2025 #1 World's Strongest Banks + myBCA + BCA Mobile 90%+ customer interactions |
| Country | SG + 17+ other countries | SG + 16+ other countries | SG + 16+ other countries | Singapore | Indonesia + SG + HK |
| Users | **80%+ UOB retail customers digitally enabled H1 2025; SG Big-3; multi-ASEAN 18+ countries** | 2016 SG 2.5M+ online + 1.25M+ mobile + 1.2M+ daily digital transactions baseline | AI insights 250M+ yearly | SG digital | 31M+ accounts; market cap >1,250 trillion IDR (US$80B+) |
| Distinctive | **1935 founding as United Chinese Bank by Wee Kheng Chiang + Chinese businessmen; 1965 renamed UOB; Wee family-controlled; Feb 2019 UOB TMRW launch as UOB's first mobile-only bank for ASEAN; 80%+ retail digitally enabled H1 2025; UOB TMRW = UOB's common platform for digital investment capabilities across region; digital wealth ASEAN rollout SG 2021 + TH 2024 + ID + MY 2025; 2004 UOB acquires Bank of Asia Thailand; UOB Kay Hian securities subsidiary; multi-ASEAN 18+ countries** | 1968 founding as Development Bank of Singapore by Singapore government; Temasek Holdings majority shareholder via Singapore government; Mar 14 2016 DBS digibank soft launch; DBS PayLah! separate SG mobile wallet; POSB subsidiary; May 2025 "Mobile Wallets" security feature | 1932 OCBC formation via Chinese Commercial Bank + Ho Hong Bank + Oversea-Chinese Bank merger; Lee Foundation (Lee family) controlling shareholder; 250M+ yearly AI-personalized insights via Cloudera partnership; QR code cardless cash withdrawal; Bank of Singapore subsidiary | Grab + Singtel SG digital bank JV | 1957 founding by Sudono Salim; 2025 #1 in Banker's World's 1000 Strongest Banks; Djarum Group privatization 2002 |

## Status

**Active, SG Big-3 + major ASEAN banking group** <sup>[1][1], [2][2]</sup>:
- **United Overseas Bank Limited (UOB)** (SGX: U11) since 1935 (United Chinese Bank founding by Wee Kheng Chiang + Chinese businessmen); 1965 renamed UOB.
- **UOB TMRW all-in-1 banking app** since February 2019; **80%+ UOB retail customers digitally enabled** H1 2025.
- **Digital wealth ASEAN rollout**: SG 2021 + TH 2024 + ID + MY 2025.
- **UOB Malaysia + UOB Thailand + UOB Indonesia + UOB Vietnam + UOB Greater China + UOB Kay Hian** subsidiaries.
- **Wee family-controlled** (Wee Cho Yaw family Chinese-Singaporean banking heritage).
- **Multi-ASEAN presence**: 18+ countries.
- **MAS + per-country regulated**.

## Sources

[1]: https://www.uob.com.sg/personal/digital-banking/index.page "UOB TMRW All-in-1 Banking App — UOB Singapore"
[2]: https://www.uob.com.sg/ "UOB Singapore — official"
[3]: https://www.theedgesingapore.com/sff/singapore-fintech-festival-2025/uob-tmrw-connects-consumers-across-asean "UOB TMRW connects consumers across ASEAN — The Edge Singapore"
[4]: https://www.uobgroup.com/techecosystem/sff/enabling-digital-progress/uob-tmrw-sg.page "UOB TMRW Singapore — UOB @ SFF 2025"
[sg-cro]: https://docs.barcoder.ai/docs/payments/SG

- [1] [UOB TMRW All-in-1 Banking App — UOB Singapore][1]
- [2] [UOB Singapore — official][2]
- [3] [UOB TMRW connects consumers across ASEAN — The Edge Singapore][3]
- [4] [UOB TMRW Singapore — UOB @ SFF 2025][4]
- <sup>[Singapore report](https://docs.barcoder.ai/docs/payments/SG)</sup> In-corpus: `reports/countries/SG-singapore.md`

## Source

Biography extracted from [uob-singapore.md](https://docs.barcoder.ai/source/wallets/uob-singapore). See `matrix.md` for standards-support matrix if present.