Diogo Duarte de Oliveira

Diogo focuses on advising asset managers and a wide range of private and institutional investors on fund raising, management incentive strategies and transactions’ structuring. He is also heavily involved in the structuring of single family offices (SFOs) for investing and succession planning purposes.

Diogo contributes to renowned international tax journals and is a regular speaker at international conferences, In 2018, Diogo was invited to the IBA Congress in Rome to address EC’s approach to Illegal (Tax) State Aid and, in 2019, he presented at the IBA Congress in London the Mandatory Disclosures under the so-called DAC 6. Recently, Diogo has co-authored technical articles on the European Court of Justice decision on the 2019 Danish Beneficial Ownership cases; on the Mandatory Disclosures in the context of Private Equity structures; and on the Significant People Functions concept in Luxembourg CFC rules.

He’s a member of Luxembourg Bar, Portuguese Bar, American Bar Association and International Bar Association and he participates in several Luxembourg tax work groups at the AmCham and the Luxembourg Banker’s Association.

• Advised a leading Middle East Sovereign Wealth Fund on their investments in various companies and industries (insurance, real estate, banking):
  • investments into dedicated Luxembourg debt investment funds, structuring dedicated compartments/vehicles of investment funds, feeder fund or setting-up a so called Fund of One (FoO) to enter in third party asset managers structures as a co-investor for a total investment amount of close to USD 1.5 billion.
  • Luxembourg tax aspects related to its acquisition of a 10% interest in a major liquefied natural gas (LNG) infrastructure business in the US and in South America. The deal value is USD 1.8 billion.
  • Luxembourg tax aspects related to its acquisition and co-investment along with a private equity firm backed by LVMH and other investors in the global lifestyle brand and iconic German sandal maker.Advised one of the members of the consortium acquiring the elevators division of Thyssenkrupp AG for EUR 17.2 billion.
• Advised ICG - Intermediate Capital Group on several Sale Lease Back transactions in connection with properties located in the UK, Netherlands and Canada.
• Advised CapMan and NH-Amundi on the structuring of their Luxembourg infrastructure fund (regulated SICAR), the acquisition of a 50% stake in a Swedish wind farm, and subsequent investment syndication.
• Advised Gamut Capital Partners on a their investment in International Automotive Components (IAC) and JPW Industries.
• Advised Santo Domingo Group on the structuring and implementation of the EUR 14 billion Luxembourg investment platform and the EUR 800 million investment grade Eurobonds listed on the Luxembourg stock exchange.
• Advised Audax Group on several acquisitions, subsequent add-ons and exits in the BeNeLux, Czech Republic and Canada.
• Advised GHO Capital Partners on several acquisitions and divestments. including the acquisition of Linimed Gruppe in Germany and the sale to Permira of the pharmaceutical group Quotient Sciences.
• Advised AccorInvest and Amundi on the division of the hotel business and service business of Accor Group and formation of new group holding in Luxembourg.

Individual rankings

• Legal 500 2024 - Leading Individual (Tax)
• Chambers 2024 - Band 2 (High-Net-Worth Individual); Band 3 (Tax)
• ITR 2024 - Highly regarded (General Corporate Tax)
• Leaders League 2025 - Leading (Corporate Tax/Tax Litigation); Excellent (Wealth Management)

• Tax Committee of the Luxembourg AmCham - Member
• Tax Work Groups of the Luxembourg Bankers' Association (ABBL) - Member
• American Bar Association (ABA) - Member
• International Fiscal Association (IFA) - Member
• International Bar Association (IBA) - Member