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Bank of Singapore

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The private-banking arm and wholly owned wealth-management subsidiary of Singapore-based OCBC.

Last updated October 17, 2026

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Overview

Bank of Singapore is a Singapore-headquartered private bank serving high-net-worth individuals, ultra-high-net-worth clients, wealthy families, entrepreneurs and selected institutional or intermediary relationships. It is wholly owned by Oversea-Chinese Banking Corporation Limited, commonly known as OCBC, one of Southeast Asia’s major banking groups. The brand operates as OCBC’s specialist platform for private banking and international wealth management rather than as a separately listed commercial bank. The business was created through OCBC’s acquisition of ING Asia Private Bank in 2009 and the subsequent combination of that operation with OCBC Private Bank. OCBC completed the acquisition from ING Group for US$1.46 billion in October 2009, following ING’s restructuring after the 2008 global financial crisis. The combined private-banking operation was relaunched as Bank of Singapore on 29 January 2010. This transaction gave OCBC an expanded international private-banking franchise and provided the foundation for a brand focused on cross-border wealth, investment and advisory services. Bank of Singapore’s core proposition combines private-banking relationship management with access to OCBC Group capabilities. Its services include discretionary and advisory investment solutions, portfolio construction, wealth planning, financing, banking, insurance, brokerage, treasury services and succession planning. Through an open-architecture approach, clients can be offered investments and wealth-management solutions from a broad range of providers, alongside products and services available through the wider OCBC network. The bank’s proposition is designed for clients whose needs extend beyond investment selection to family governance, intergenerational wealth transfer, liquidity management, business ownership and international structuring, subject to applicable regulations. The bank’s principal geographic focus is Southeast Asia, Greater China and India, while its international platform also covers clients in the Middle East and Europe. It is headquartered in Singapore and has branches in Hong Kong and Dubai, including the Dubai International Financial Centre. A representative office in Makati serves the Philippines. In Europe, clients are served through BOS Wealth Management Europe S.A., headquartered in Luxembourg with an office in London. In Malaysia, the group operates BOS Wealth Management Malaysia Berhad, an onshore wealth-management entity launched in 2022. These entities allow the brand to combine its Singapore regional hub with locally regulated or locally established platforms in important wealth markets. Expansion has been driven both organically and through acquisitions or referrals. In 2016, Bank of Singapore acquired Barclays’ wealth and investment-management business in Singapore and Hong Kong. The transaction transferred approximately US$13 billion in assets and brought in more than 60 private bankers. The deal substantially strengthened the bank’s client base and coverage in two key Asian financial centres. In the same period, the bank partnered with the Wealth Management Institute and Nanyang Technological University on professional education programmes and established a relationship with DZ PRIVATBANK Singapore for client referrals as that firm wound down its Singapore operations. Bank of Singapore’s brand positioning emphasises high-touch service, international connectivity, investment access and integrated wealth planning. Its financial strength and credibility are also linked to its parent, OCBC, whose banking operations provide a broader balance sheet, product and distribution platform. The bank remains an active private bank, although regulatory investigations in Luxembourg and Dubai in 2022 identified weaknesses in anti-money-laundering controls at two overseas operating units. These matters form part of the brand’s public regulatory record and underscore the compliance requirements associated with it.

History

Bank of Singapore emerged from the restructuring of OCBC’s private-banking operations following the acquisition of ING Asia Private Bank. ING Group had received government support during the 2008 global financial crisis and subsequently pursued a restructuring program that included the sale of its Asian private-banking business. In October 2009, OCBC acquired ING Asia Private Bank from ING Group for US$1.46 billion. The acquisition expanded OCBC’s wealth-management capabilities and gave it a larger international private-banking platform. After the acquisition, OCBC combined ING Asia Private Bank with its existing OCBC Private Bank business. The unified operation was renamed Bank of Singapore and launched on 29 January 2010. The new brand was intended to present the combined business as a specialist private bank with Singaporean roots and an international client mandate. It focused on high-net-worth individuals and wealthy families in Southeast Asia, Greater China, India and other international markets. A significant physical milestone followed when the Bank of Singapore Centre at Market Street in Singapore’s Raffles Place was officially opened on 22 June 2011. The location became the bank’s principal headquarters and reinforced its identity as a Singapore-based private-banking institution serving clients across the region. The bank expanded its cross-border presence during the middle of the 2010s. In 2016, OCBC announced that Bank of Singapore would acquire Barclays’ wealth and investment-management business in Singapore and Hong Kong. Completion took place in November 2016. The deal transferred about US$13 billion in assets and added more than 60 private bankers, strengthening the bank’s position in two of Asia’s principal wealth-management centres. Bank of Singapore also partnered with the Wealth Management Institute and Nanyang Technological University in 2016 to create an Advanced Diploma in Private Banking Programme for its private bankers. The initiative reflected the institution’s emphasis on professional capability and specialist training. The institution added further regional and international links in 2016 and 2017. In October 2016, it announced that DZ PRIVATBANK Singapore would refer clients to Bank of Singapore as DZ PRIVATBANK wound down its Singapore operations. In November of the same year, the bank received approval to operate a branch in the Dubai International Financial Centre. The Dubai branch was formally opened on 19 February 2017, extending the brand’s reach into the Middle East and supporting relationships with internationally mobile wealth holders. European expansion followed through a dedicated wealth-management structure. In July 2018, Bank of Singapore received an investment-company licence to establish a wealth-management subsidiary in Luxembourg, described in the reference material as a first for a Singapore private bank. BOS Wealth Management Europe S.A. began operations in Luxembourg on 1 April 2019, and its United Kingdom branch in London was officially opened the following day. This structure enabled the group to serve European clients through a locally based platform while maintaining the Bank of Singapore brand and connection to OCBC. In Malaysia, OCBC Group launched BOS Wealth Management Malaysia in June 2022. It was described as the group’s first onshore wealth-management entity outside Singapore and was established to provide wealth-management and investment-advisory services to high-net-worth and ultra-high-net-worth clients in Malaysia. The official opening took place on 1 June 2022. Bank of Singapore’s development has therefore combined corporate acquisition, integration, regional expansion and the creation of locally situated wealth-management entities. Its current operating model includes a Singapore headquarters, branches in Hong Kong and Dubai, a Philippines representative office, European operations through Luxembourg and London, and a Malaysian wealth-management platform. The bank provides investment, financing, banking, insurance, brokerage, treasury and succession-planning services through its own platform and the wider OCBC Group. The bank’s public history also includes regulatory enforcement in 2022. Luxembourg’s Commission de Surveillance du Secteur Financier fined BOS Wealth Management Europe S.A. €210,000 for breaches connected with anti-money-laundering and counter-terrorist-financing requirements. In Dubai, the Dubai Financial Services Authority imposed a US$1.12 million fine on the DIFC branch for deficiencies involving risk assessments, customer due diligence, source-of-wealth and source-of-funds verification, and suspicious-activity reporting. These actions did not change the bank’s stated active status, but they are material events in assessing its international compliance record.

  • 2022

    BOS Wealth Management Malaysia launches

    [1]

    OCBC Group launched its first onshore wealth-management entity outside Singapore through BOS Wealth Management Malaysia on 1 June.

  • 2019

    European wealth-management platform launches

    [1]

    BOS Wealth Management Europe S.A. launched in Luxembourg on 1 April, followed by the formal opening of its London office on 2 April.

  • 2017

    Dubai International Financial Centre branch opens

    [1]

    The bank formally opened its DIFC branch in Dubai on 19 February after receiving regulatory approval in the preceding year.

  • 2016

    Barclays wealth business acquisition is announced and completed

    [1]

    Bank of Singapore acquired Barclays’ wealth and investment-management business in Singapore and Hong Kong, transferring approximately US$13 billion in assets and more than 60 private bankers.

  • 2011

    Bank of Singapore Centre opens

    [1]

    The bank’s headquarters at the Bank of Singapore Centre in Market Street, Raffles Place, was officially opened on 22 June.

  • 2010

    Bank of Singapore is launched

    [1]

    OCBC combined ING Asia Private Bank with OCBC Private Bank and launched the unified business under the Bank of Singapore name on 29 January.

  • 2009

    OCBC acquires ING Asia Private Bank

    [1]

    OCBC acquired ING Asia Private Bank from ING Group for US$1.46 billion, obtaining the principal predecessor business of Bank of Singapore.

Products and positioning

A high-touch, internationally oriented private bank for high-net-worth and ultra-high-net-worth individuals and families, combining regional Southeast Asian expertise with the resources of OCBC Group.

  • Private banking · 2010

    Private banking

    Bank of Singapore provides relationship-led banking for high-net-worth individuals and families. The service is built around dedicated coverage, liquidity management, banking access, credit and financing, investment coordination and referrals to relevant capabilities across OCBC Group. It is designed for clients whose financial needs span multiple jurisdictions and may include operating businesses, family assets and intergenerational wealth.

  • Investment services · 2010

    Investment advisory and portfolio management

    The bank offers investment advice and portfolio-management solutions through an open-architecture platform. Clients can receive access to investment products and wealth solutions from a range of providers, with advice and portfolio construction intended to reflect objectives, risk tolerance, liquidity requirements and broader family or business circumstances.

  • Wealth planning · 2010

    Wealth planning and succession planning

    Wealth-planning services address the preservation, transfer and governance of family wealth. The offering includes succession-oriented advice and can be coordinated with investment, financing, insurance and banking arrangements. It is aimed at families and business owners preparing for intergenerational transfer, changing ownership structures or long-term legacy objectives.

  • Wealth management · 2010

    Wealth-management services

    The broader wealth-management proposition combines private banking with investment advisory, financing, insurance, brokerage and treasury capabilities. Services are delivered through Bank of Singapore and, where relevant, through local entities such as BOS Wealth Management Europe and BOS Wealth Management Malaysia, allowing the group to support clients in multiple regulated markets.

Controversies

  • 2022

    Luxembourg anti-money-laundering enforcement

    On 19 October 2022, Luxembourg’s financial regulator CSSF fined BOS Wealth Management Europe S.A. €210,000 for non-compliance with laws concerning money laundering and terrorist financing controls.

  • 2022

    DFSA fine for AML control deficiencies at Dubai branch

    On 10 November 2022, the Dubai Financial Services Authority fined Bank of Singapore’s DIFC branch US$1.12 million. The findings included weaknesses in business-risk assessments, client-risk assessments, customer due diligence, enhanced due diligence, source-of-wealth and source-of-funds checks, and suspicious-activity reporting.

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Brand decisions

  • 2022

    Launch BOS Wealth Management MalaysiaStrategy

    Background

    OCBC identified Malaysia as an important market for onshore wealth-management and investment-advisory services.

    Action taken

    OCBC Group launched BOS Wealth Management Malaysia Berhad on 1 June 2022.

    Aftermath

    The entity became the group’s first onshore wealth-management platform outside Singapore and targeted Malaysian high-net-worth and ultra-high-net-worth clients.

  • 2019

    Launch European wealth-management platformStrategy

    Background

    Bank of Singapore pursued a locally based European platform to support wealth-management activity in Luxembourg and the United Kingdom.

    Action taken

    BOS Wealth Management Europe S.A. launched in Luxembourg, with a London office opened the following day.

    Aftermath

    The group gained a dedicated European wealth-management structure serving clients from Luxembourg and London.

  • 2017

    Establish a Dubai International Financial Centre branchStrategy

    Background

    The bank sought a regulated presence in Dubai to serve clients and wealth flows connected with the Middle East.

    Action taken

    Bank of Singapore opened a branch in the Dubai International Financial Centre on 19 February 2017.

    Aftermath

    The branch became part of the bank’s international private-banking network, although it later received a regulatory fine for AML-related deficiencies.

  • 2016

    Acquire Barclays wealth and investment-management businessM&A

    Background

    OCBC sought to expand Bank of Singapore’s scale and client coverage in Singapore and Hong Kong.

    Action taken

    Bank of Singapore acquired Barclays’ wealth and investment-management business in the two markets.

    Aftermath

    Approximately US$13 billion in assets transferred to Bank of Singapore and more than 60 private bankers joined the organization.

    Assets transferred. Approximately US$13 billion (Transaction completed November 2016)

  • 2009

    Acquire ING Asia Private BankM&A

    Background

    ING Group’s restructuring after the 2008 financial crisis created an opportunity for OCBC to acquire the Asian private-banking operation.

    Action taken

    OCBC acquired ING Asia Private Bank in October 2009 for US$1.46 billion.

    Aftermath

    The acquired operation was combined with OCBC Private Bank and became the foundation of Bank of Singapore.

    Acquisition price. US$1.46 billion transaction value (October 2009)

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