Union Bancaire Privée UK

Union Bancaire Privée UK is the United Kingdom operating entity of Union Bancaire Privée, a privately owned Swiss banking group. It provides private-banking and related financial services through offices serving clients in the United Kingdom, the Channel Islands and Gibraltar. The business is the successor to a private-banking operation that operated under the Kleinwort Hambros name before being acquired by Union Bancaire Privée. The entity's immediate institutional history reflects consolidation in the British private-banking market. In June 2016, Société Générale acquired Kleinwort Benson from Oddo & Cie. Later that year, in November, Société Générale combined Kleinwort Benson with its existing private-banking subsidiary SG Hambros. The merged operation was named Kleinwort Hambros and became a significant part of Société Générale's private-banking presence in the United Kingdom and associated jurisdictions. Mouhammed Choukeir was appointed chief executive officer of Kleinwort Hambros in April 2020. His appointment placed him in charge of the business during a period in which private banks were adapting to changing client expectations, digital service requirements and a more demanding regulatory environment. The available reference material does not specify the full range of products, assets under management or detailed operating structure of the business. On 1 April 2025, Union Bancaire Privée announced that it had completed the acquisition of SG Kleinwort Hambros. From that date, the acquired company adopted the name Union Bancaire Privée (UK) Limited. The transaction transferred the business into UBP's ownership and established the current Union Bancaire Privée UK identity. Its principal business remains private banking and financial services rather than retail banking or a standalone publicly listed consumer brand. Because the current identity was established through the 2025 acquisition and renaming, historical references may appear under Kleinwort Hambros, SG Kleinwort Hambros, SG Hambros or Kleinwort Benson. Those predecessor names describe earlier ownership and operating phases rather than separate unrelated businesses. Publicly available reference material identifies the geographic footprint and ownership transition but does not provide enough information to state a separate founding year for Union Bancaire Privée UK, a founder, a specific headquarters address, financial results or a dedicated corporate website with confidence.

Union Bancaire Privée UK's history is rooted in the succession of private-banking businesses that operated under the Kleinwort Benson, SG Hambros and Kleinwort Hambros names. The relevant institutional lineage entered a new phase in June 2016, when Société Générale acquired Kleinwort Benson from Oddo & Cie. Kleinwort Benson was subsequently combined with Société Générale's existing private-banking subsidiary, SG Hambros, in November 2016. The merged business was named Kleinwort Hambros. Kleinwort Hambros operated as Société Générale's private-banking platform in the United Kingdom and related markets, including the Channel Islands and Gibraltar. Its role was to provide financial services to private clients through offices across those jurisdictions. The available reference material does not set out a detailed chronology of its branches, product launches or financial performance, but it identifies the business as a private bank rather than a mass-market retail bank. In April 2020, Mouhammed Choukeir was appointed chief executive officer of Kleinwort Hambros. This was a leadership milestone during the period when the business remained part of Société Générale. The reference material does not identify a subsequent chief executive for the renamed Union Bancaire Privée UK entity. The decisive ownership change took place in 2025. Union Bancaire Privée completed its acquisition of SG Kleinwort Hambros on 1 April 2025. On the same date, the acquired company became Union Bancaire Privée (UK) Limited. The transaction created the present Union Bancaire Privée UK identity and connected the established British private-banking operation to UBP's broader group structure. The current entity therefore represents a continuation and rebranding of an existing private-banking business rather than a newly created retail bank. References to the predecessor institutions remain important for understanding its history, but they should not be treated as evidence that Union Bancaire Privée UK was founded in 2016 or 2025. The available source identifies the ownership and naming transitions but does not provide a definitive original founding year, founder, headquarters address, detailed financial statements or a complete current management roster.

• 2025

  Union Bancaire Privée completes the acquisition

  [1]Union Bancaire Privée UKen.wikipedia.org

  UBP completed its acquisition of SG Kleinwort Hambros on 1 April 2025.

• 2025

  The business is renamed Union Bancaire Privée (UK) Limited

  [1]Union Bancaire Privée UKen.wikipedia.org

  The acquired business adopted the Union Bancaire Privée (UK) Limited name from the completion date.

• 2020

  Mouhammed Choukeir becomes chief executive

  [1]Union Bancaire Privée UKen.wikipedia.org

  Mouhammed Choukeir was appointed chief executive officer of Kleinwort Hambros in April 2020.

• 2016

  Société Générale acquires Kleinwort Benson

  [1]Union Bancaire Privée UKen.wikipedia.org

  Société Générale acquired Kleinwort Benson from Oddo & Cie in June 2016.

• 2016

  Kleinwort Benson and SG Hambros are merged

  [1]Union Bancaire Privée UKen.wikipedia.org

  In November 2016, Société Générale combined Kleinwort Benson with SG Hambros to form Kleinwort Hambros.

A specialist private-banking and wealth-services business combining Union Bancaire Privée ownership with an established British and Channel Islands operating heritage.

• Private banking

  Private banking

  The core activity identified for Union Bancaire Privée UK is private banking. The business serves private clients from offices across the United Kingdom, the Channel Islands and Gibraltar. The available reference does not enumerate specific account types, lending products or eligibility criteria, so this entry is limited to the documented service category.

• Wealth management

  Wealth and investment services

  Union Bancaire Privée UK is described as offering financial services within a private-banking setting. These services are consistent with the wealth and investment needs of private clients, but the supplied reference material does not identify named funds, portfolios, investment mandates or other individual offerings.

• 2025

  Acquisition of SG Kleinwort HambrosM&A

  Background

  Union Bancaire Privée pursued ownership of SG Kleinwort Hambros as part of its expansion of private-banking operations in the United Kingdom and associated jurisdictions.

  Action taken

  UBP completed the acquisition on 1 April 2025 and placed the business under the Union Bancaire Privée (UK) Limited name.

  Aftermath

  The transaction established the current Union Bancaire Privée UK identity and ended the company's operation under the SG Kleinwort Hambros name.

  Source

• 2025

  Union Bancaire Privée completes acquisition of SG Kleinwort Hambros[1]Union Bancaire Privée UKen.wikipedia.org

  M&A · Other

  Union Bancaire Privée completed its acquisition of SG Kleinwort Hambros on 1 April 2025, bringing the business into UBP ownership.

• 2025

  SG Kleinwort Hambros adopts Union Bancaire Privée UK identity[1]Union Bancaire Privée UKen.wikipedia.org

  M&A · Leadership change

  Following completion of the acquisition, the company became known as Union Bancaire Privée (UK) Limited from 1 April 2025.

1. 1Union Bancaire Privée UKen.wikipedia.org