Leading Partner, Tax, Luxembourg, The Legal 500 2025
"Florent Trouiller stands out for his exceptional expertise and strategic thinking in the field of taxation. He has a unique ability to simplify complex tax matters, offering clear and pragmatic solutions that align perfectly with our business goals. His client-focused approach and dedication to delivering results are truly noteworthy."
"Florent Trouiller is extremely professional, knowledgeable and always goes the extra mile to support. His personality, proactive communication and ability to handle complex legal scenarios effectively have been a significant asset."

Band 3, Tax, Luxembourg, Chambers & Partners Europe, 2025
"Florent exhibits a high degree of sophistication in his approach, consistently delivering advanced and technically sound solutions to complex tax issues."
"He has a unique ability to simplify complex tax matters, offering clear and pragmatic solutions that align perfectly with our business goals."
"His leadership and depth of knowledge provide tremendous value, making him an invaluable asset to any engagement."
"Working with Florent has given us great confidence in navigating the complexities of tax law, and we wholeheartedly recommend him as a trusted adviser who consistently adds value to every project."
"Florent Trouiller is technically very on point, but I especially value his capacity to see the broader picture and look for solutions that consider additional factors."
"Their deep knowledge of complex tax regulations and their ability to translate these into practical advice tailored to our specific needs is really impressive."
"What truly sets Norton Rose Fulbright apart is its combination of global expertise and local knowledge."
"Norton Rose Fulbright consistently demonstrates strategic thinking, thorough analysis and adaptability in navigating intricate legal challenges."
"They are very focused on their clients and on meeting deadlines."
"While its technical tax expertise is a given and much appreciated, this team is exceptional for its client service, full availability and prompt solutions. It is perfect, calm and always friendly."

Tier 2, Tax, Luxembourg, The Legal 500 2025
"The tax team is highly professional and keeps a proactive approach towards its clients in order to fully understand their needs and expectations."
"What makes them stand out is their exceptional blend of local expertise and international perspective. They excel in providing tailored, client-focused solutions, ensuring that each matter receives the attention it deserves, with clear communication and rapid responsiveness."
"They consistently deliver innovative solutions, especially in complex, cross-border transactions, and stay ahead of regulatory changes, which ensures clients are always well-prepared for future challenges."
"Their deep knowledge of complex tax regulations and their ability to translate these into practical advice tailored to our specific needs is really impressive. They approach each matter with meticulous attention to detail and provide solutions that are both innovative and compliant with local and international tax laws."
"The team is technically excellent and user friendly. They know our industry well, they know us as a client perfectly, they are always available and their solutions are both solid, innovative and prompt."

Band 2, Private Wealth Law, Chambers High Net Worth Guide, 2024
"Florent Trouiller is a very reliable and skilled legal professional. He was a pleasure to work with."
 "Florent is a brilliant, conscientious and efficient lawyer."

Band 3, Tax, Chambers and Partners Europe, 2024
"Florent Trouiller is a very knowledgeable and proactive person to work with." 
"Florent Trouiller is a pleasure to work with." 
"Florent Trouiller is really hands-on and practical. If there are any issues that arise, he will be creative in solving the issue you have."
"We have always received clear advice from them and have valued our partnership with Norton Rose."

Tier 2, Tax, The Legal 500, 2024
"Florent Trouiller has strong technical knowledge and an excellent grasp of best practices within the market. He remains permanently involved and I value his responsiveness and well-thought-out ideas."
"The team provides cost-effective and commercial advice."
"Their network, their ability to introduce other partners from other practices (investment funds, real estate), their client centricity and the bespoke approach they have."

Highly regarded practitioner, Tax controversy, Transactional tax, World Tax, 2025

Tier 2, General corporate tax, Transactional tax; Tier 3, Transfer pricing, World Tax, 2025

Highly regarded, Wealth management, Transfer pricing, Corporate tax, Leaders League, 2023-2025

Tier 2, Tax, The Legal 500, 2023
"Florent Trouiller provides excellent advice."
"Florent Trouiller is my go-to person when I have a problem in Luxembourg. He has been working with us for several years and is the very definition of trusted advisor. He has excellent knowledge of evolving Luxembourg tax regulations and deal structuring, but more than that he takes an interest in us as a company and understands our preferences, restrictions and concerns, which allows him to give very tailored advice."
"The client-oriented and cost-effective team is very reactive and always offer practical solutions and best practice under local regulations."

Band 4, Tax, Chambers and Partners Europe, 2023
"We strongly recommend Florent Trouiller. He is proactive and a critical thinker, and offers adapted solutions to complex topics."
"Florent Trouiller is a highly dedicated tax lawyer, an expert in this field."

Highly regarded practitioner, Tax controversy, Transactional tax, World Tax, 2024

Highly regarded practitioner, World Tax, 2023
"The team is wonderfully responsive, always to the point and commensurate in fees."
"Very pragmatic, reliable and responsive."
"Reactive, clear answers."
"Knowledgable and proactive tax team."
"Very reactive. Able to elaborate clearly and have the message come across to clients on technical issues."

Excellent:  Wealth management, Leaders League, 2023 and 2024

Highly recommended: Transfer pricing, Corporate tax, Leaders League, 2023 and 2024

Band 4, Tax, Chambers and Partners Europe, 2022
"comprehensivee and very clear when explaining the rules and consequences."

Tier 3, Tax, The Legal 500, 2022
"very efficient and attuned to trends."

Tax: Luxembourg, Chambers and Partners Europe, 2019
"dynamic, pragmatic and smart with a creative approach"
"thorough knowledge in all legal, financial and corporate aspects."

Band 2, Private equity, The Legal 500, 2019
"brilliant international experience."

Chambers and Partners Europe, 2018
"excellent technical knowledge and experience advising on cross-border taxation matters".

• Master of Science in Management, EMLYON Business School, 2006
• Erasmus programme, Copenhagen Business School, 2005
• Certificate, Corporate Law, University of Montpellier I, 2003
• Business Law and Taxation, University of Lyon, DESS, 2003
• Private law, University of Lyon, Maîtrise, 2002

• Avocat à la Cour, Barreau de Luxembourg 2008
• Avocat, Barreau de Luxembourg 2006

• Co-author,  "2025 Luxembourg tax landscape: key updates you need to know," Paperjam, January 2025
• Co-author, "Introduction d’un impôt sur les sociétés aux Émirats arabes unis et ses prolongements", Paperjam, December 2023
• Co-author, Luxembourg chapter of the European Investment Fund Review, Legal, regulatory and tax, No. 4, November 2023
• Co-author, "UK - Luxembourg double tax treaty: ratified by both Luxembourg and UK Particular significance for UK real estate holding structures", www.nortonrosefulbright.com, July 2023
• Co-author, "ATAD 3: The Unshell Directive | Where are we now and what are the next steps?", www.nortonrosefulbright.com, June 2023
• Author, "The criminal tax liability of the banker", ALJB, Luxembourg banking association, Larcier, 2014
• Author, "Amendments to the Parent-Subsidiary Directive", Ace Luxembourg, Kluwer editions, 2014
• Author, "Exchange of advance tax agreements", Ace Luxembourg, Kluwer editions, 2016
• Author, "Criminal tax issues further to the Luxembourg tax reform", International Fiscal Association, Legitech editions, 2018

• ABILWAY Luxembourg, 25 January 2024, "Les administrateurs et dirigeants face au contrôle fiscal : droits et enjeux"
• IFE conference since 2009, various international tax matters
• Meetincs conferences 2017 and 2018, Luxembourg and international tax matters
• Finix conference 2018, international tax matters
• IBA 2016, international tax matters

• International Fiscal Association
• AMCHAM tax committee
• Tax Committees, Association of the Luxembourg Fund Industry
• Luxembourg Private Equity & Venture Capital Association (LPEA)
• PRO BONO Luxembourg Association

• French
• English