Skip to content

Yannick Arbaut



Image of Yannick Arbaut
Yannick Arbaut



Yannick specialises in the structuring, establishment and ongoing operation of Luxembourg regulated funds (SIFs, SICARs, UCITS and Part II funds) and unregulated funds (limited partnerships and RAIFs) investing across a variety of asset classes such as private equity, private debt, real estate, infrastructure, impact investments, equity, bonds and derivatives.

He also assists fund management companies on their licence applications and extensions as well as cross-border issues, and regularly advises institutional investors in respect of their investor due diligence on, and negotiations with, Luxembourg investment funds, in the context of their participation/investments in such funds. Yannick advises sponsors, funds and fund service providers on complex regulatory issues as well. He is a member of the Allen & Overy Social Finance and Impact Investment Executive Committee.

Yannick is an active member of the Association of the Luxembourg Fund Industry (ALFI), the Luxembourg Private Equity Association (LPEA) and the Luxembourg Banking Lawyers Association (ALJB). He joined Allen & Overy Luxembourg in 2007. 

“Yannick Arbaut has experience acting for institutional investors, both domestic and international, on the structuring and set-up of regulated and unregulated funds. Clients remark on his ability to advise on complex questions and appreciate their ‘good collaboration’ with him. 
Chambers and Partners

Sources say: “Yannick Arbaut is pragmatic, responsive and gives reliable, high quality, commercial advice.” 
Chambers and Partners

Related articles


Publications: 19 April 2022

Luxembourg Part II UCIs, SIFs and RAIFs to report information to the Luxembourg direct tax administration by 31 May 2022

Tax opaque Part II UCIs, SIFs and RAIFs (ie in the form of an SA, SCA or Sàrl) must declare by 31 May 2022 and pay by 10 June 2022 to the Luxembourg tax authorities a 20% tax on income and gains…

Read more

News: 14 January 2022

A&O advises Universal-Investment and Bavarian pension scheme manager BVK on the acquisition of the Zalando Headquarters in Berlin

Read more

Publications: 23 December 2021

Great Fund Insights: Taxonomy Regulation disclosures: Luxembourg guidance for funds and asset managers

Read more

Publications: 16 December 2021

Taxonomy Regulation disclosures: Luxembourg guidance for funds and asset managers

Read more

Experience highlights



Allen & Overy
5 Avenue John F. Kennedy, L-1855 

View office →



Admitted as avocat à la Cour, Luxembourg, 2010

Admitted as avocat, Luxembourg, 2008


Master 2, International Trade Law, University of Montpellier I, 2007

Master 1, Business Law, University of Montpellier I, 2006

Pro bono 

  • Advising Calvert Social Investment Foundation on its investment in several Luxembourg funds

Published work

  • "Derivatives trading under EMIR REFIT: focus on Luxembourg AIFs and UCITSs", AGEFI Luxembourg, October 2019 (co-author)
  • "Changes in reporting obligations for investment funds under EMIR", AGEFI Luxembourg, September 2018 (co-author).
  • "US Mutual Fund Swing Pricing Proposal: What Can We Learn from Europe?", The Investment Lawyer, January 2016 (co-author).
  • "New Guidance for UCITS depositaries following the publication of CSSF Circular 14/587", Bulletin Droit & Banque 54, ALJB, December 2014.