Although it also handles a fair amount of domestic work, including with regard to public/administrative law, Arendt & Medernach particularly ‘stands out for its ability to deal with factually and legally complex multi-jurisdictional cases’ spanning a wide range of commercial litigation relating to, inter alia, funds, asset tracing and corporate disputes. Team head Clara Mara-Marhuenda has ‘outstanding knowledge of all the procedural aspects of litigation in Luxembourg‘ which she utilises to good effect for clients seeking resolution through both conventional litigation and alternative dispute resolution (ADR) means. She is also one of many in the team prepared to propose ‘out of the box solutions’ without unnecessarily pushing a litigation to its limits. Sandrine Margetidis-Sigwalt also demonstrates this approach, with an ‘expertise and acuity that are instrumental in the management of complex, multi-tiered and high-stake matters’, including with regard to insurance disputes. Other key practitioners include Christian Point, whose ‘highly developed analytical mind’ has ensured success for clients over the years in public and real estate cases; vastly experienced of counsel François Kremer, who utilises ADR techniques to excellent effect across a range of commercial litigation; and ‘detail-oriented yet pragmatic’ senior associate Danil Nikolaev.

 

Drawing upon a ‘lot of experience and practical wisdom’, the ‘very reliable’ team at BSP provides ‘practical and results-oriented’ advice to funds, financial institutions, multinational companies and sovereign governments across a wide range of complex commercial litigation and investor-state disputes. As well as his expertise at handling complex shareholders and financial disputes, ‘very smart and responsive’ team head Fabio Trevisan excels at handling international arbitration, most specifically as it relates to the enforcement of arbitral awards for and against sovereigns. The ‘dynamic and agile’ Laure-Hélène Gaicio-Fievez is also key to the success of the team on cross-border litigation, including regarding the enforcement of ICSID awards and more generally on asset recovery.

 

Melding ‘high technical skills’ with ‘deep insight and a strong commercial approach’, Clifford Chance provides ‘skilled and pragmatic advice’ to banks, funds, accountancy firms and corporates across a wide spectrum of commercial litigation. Much of the work involves cross-border issues, which the team is particularly well-suited to advise on by virtue of its ability to leverage the expertise of other litigators spread across the firm’s vast international network. Combining ‘an academic knowledge of the Luxembourg law and legal system’ with an intuitive understanding of the ‘needs of a 21st century in-house legal counsel’, team head Albert Moro is a very popular choice among clients to help resolve complex and often sensitive disputes, including those in the aftermath of an M&A process, as well as often those involving shareholders. Demonstrating ‘a calm strength’, including in pleadings before the court, ‘very impressive’ young partner Ada Schmitt is also increasingly vital to the success of the team and is marked out by her versatility, which includes domestic and cross-border litigation/arbitration cases, as well as regulatory investigations.

Combining 'strong technical knowledge and pragmatism', Elvinger Hoss Prussen is well positioned to represent companies, financial institutions, and individuals, bringing or defending actions relating to a myriad differing corporate, commercial, civil and administrative litigation. The 'very experienced' Pierre Elvinger 'knows the market and has an authoritative presence', both in relation to conventional litigation and ADR procedures, for clients seeking the resolution of disputes relating to corporate/commercial and employment matters. The 'highly distinguished' Elisabeth Omes has 'deep knowledge and strategic oversight' with regard to litigation occurring within the banking and asset management fields, in particular. Marc Elvinger, who co-heads the team alongside Pierre, is also a skilled litigator, including in relation to administrative law matters.

The partner-led team at KLEYR GRASSO provides 'pragmatic and innovative insights and solutions' to clients within the financial services and asset management industries utilising both conventional and ADR litigation techniques. With a 'deep understanding of the complexities' associated with disputes occurring within these industries, Marc Kleyr can 'navigate challenges with remarkable insight'; as well as handling shareholders' disputes, Kleyr also excels at defending accounting firms in auditor negligence claims. Donata Grasso has a 'deep knowledge of procedural aspects and a great capacity to assimilate various law areas', ensuring that she is very well-equipped to represent clients across a range of corporate/commercial litigation, including in the context of funds and insolvency-related disputes. Rosario Grasso spearheads the criminal law offering, which includes white-collar-related matters, while the 'responsive and proactive' Emilie Waty , who was promoted at the beginning of 2024, excels at handling shareholders' and directors’ liability litigation and rounds out the team at a partner level.

Noted for their ‘local knowledge and international experience’, the ‘very experienced and results-oriented’ team at Linklaters has gained a particularly strong reputation representing financial services entities (including banks, accounting firms, insurers and funds) across a wide array of complex cross-border disputes. Guy Loesch is ‘highly knowledgeable and experienced’ in the sector and as well as handling civil litigation, including in relation to shareholders’ disputes, is also increasingly active with regard to criminal actions. In addition, Loesch is also skilled at handling international arbitration, particularly in the context of enforcing arbitral awards in Luxembourg.

With a partner-led approach that is rooted in a deep understanding of Luxembourg law and the attendant judicial process, Loyens & Loeff excels in handling complex cross-border disputes, where clients receive 'tailored strategies that go beyond just resolving the legal issues, focusing on broader commercial outcomes'. Here, under the expert guidance of 'outstanding advocate' Véronique Hoffeld, the team is noted for its very collaborative approach to working with international co-counsel. Hoffeld, who is at the forefront of the most significant litigation and arbitration handled by the team, 'combines a mastery of Luxembourg procedure and substantive law with a strong commercial and tactical sense for how best to advance a client's interests'. Other key practitioners include corporate and white-collar crime expert Henri Dupong, and senior associate Olivier Marquais, who combines 'deep legal expertise with a highly practical, client-focused approach' on cross-border contracts and disputes related to the loss of investments, as well as on asset recovery proceedings.

 

The 'technically and tactically strong' team at MOLITOR Avocats à la Cour SARL provides 'strategic and value added advice' to asset management and banking clients, in particular, across a wide array of litigation, including many involving multi-jurisdictional issues. The 'very authoritative and creative' Paulo Lopes Da Silva is key to the success of many of these cases and has 'an excellent courtroom presence', which he utilises to very good effect, including in disputes involving GPs and institutional investors, shareholder litigation, as well as professional negligence cases, particularly as part of insolvency proceedings. Michel Molitor co-heads the team alongside Da Silva and as well as being skilled at handling civil and criminal litigation, is also well-versed at advising on regulatory matters, including on matters which involve dual-track regulatory and litigation proceedings. The 'knowledgeable and responsive' Armel Waisse and the 'very astute' Philippe Thiebaud are also recommended.

The 'very professional and responsive' team at Thewes & Reuter has 'vast know-how and experience' across a range of litigation disciplines, including as it relates to complex multi-jurisdictional mandates. Administrative law is a particular area of strength, with Marc Thewes skilled at representing public sector clients, including the State of Luxembourg, across a range of cases relating to, inter alia, public procurement decisions and other public contracts. Pierre Reuter is the other named partner at the firm and heads up the firm's offering in relation to financial disputes and commercial litigation, where he is well-respected for his skills at handling complex mandates for banks, corporates and funds.

Drawing upon an 'excellent knowledge of market practices' throughout the financial and asset management sectors, in particular, A&O Shearman is a popular choice among banks and private equity funds to guide them through the litigation life-cycle, from risk management advice through to full-blown litigation. Much of this work is multi-jurisdictional, with clients benefiting from an holistic approach that draws upon subject matter and litigation specialists from throughout the firm's network, should the need arise. Team head Thomas Berger is pivotal to the firm's success in the area and is noted for his 'risk analysis and strategic thinking', ensuring that clients receive robust and thorough representation, whether it be in the context of an internal/external investigation, as well as in civil and criminal litigation contexts.

Under the expert guidance of 'very well respected litigator' Annie Elfassi, Baker McKenzie continues to gain market traction among funds, financial institutions and corporates, which are appreciative not only of the team's growing domestic capability but also its ability to leverage broader firmwide international resources on cross-border matters. The team is well-versed in handling conventional litigation and arbitration and also benefits from access to lawyers within the firm's well-respected cross-office investigations, compliance and ethics team.

Bonn & Schmitt is adept at handling a range of commercial litigation for banks, funds and corporates, where it is skilled at advising on both the substantive law and the procedural aspects of formal litigation, as well as arbitration. Cédric Bellwald has a diverse offering covering both civil and criminal actions and regularly includes disputes relating to allegations of fraud, shareholder rights and contentious insolvency matters. As well as having significant experience before the Luxembourg courts, including on matters relating to shareholders' rights and other contractual/tort disputes (including within the IP/data protection field), Alain Grosjean is also well-versed at effectively utilising ADR techniques to settle matters without incurring unnecessary costs. Alex Schmitt, who co-heads the team alongside Bellwald and Grosjean, is regularly appointed as Luxembourg expert on issues of banking and finance law arising in the course of international court or arbitration proceedings.

One of the core areas of focus for the firm as a whole, Brucher Thieltgen & Partners has an excellent overarching perspective of the litigation framework within Luxembourg, and is well-placed to provide 'commercial and clear advice and strategic guidance' to domestic and international clients across a range of commercial litigation. Appreciated for his ability to 'present complex topics in a crystal clear way', Nicolas Thieltgen is particularly skilled at representing clients in shareholder disputes as well as in relation to banking and finance-related litigation. Marie Bena co-heads the team alongside Thieltgen and is appreciated for her ability to provide 'advice in a very professional and yet human way', including in relation to employment and real estate disputes.

Galvanised by the arrival in June 2024 of former head of litigation at NautaDutilh Antoine Laniez (and three other litigators), CMS' disputes team now has the critical mass and expertise to handle a significant range and volume of commercial disputes. As well as bringing over a number of ongoing mandates from his time at his previous firm, the 'clever and hardworking' Laniez has also already successfully leveraged the firm's strong roster of institutional funds clients to good effect on the litigation front. The 'responsive and efficient' team is also well-placed to advise on complex cross-border mandates by virtue of the firm's wider international footprint.

Blending 'strategic insight with practical execution', Luther S.A. 'excels in providing tailored, strategic advice' for corporates, funds and private individuals throughout the life-cycle of a litigation matter. 'Very pragmatic' team head Mathieu Laurent combines his transactional corporate law knowledge and litigation smarts to good effect to clients both in a risk management/pre-litigation stage as well as in full-blown litigation. As part of his wide-ranging litigation capability, Laurent regularly handles shareholders' disputes, contentious insolvency matters and debt recovery mandates.

In somewhat of a rebuilding phase following the departure in June 2024 of former team head Antoine Laniez to CMS, NautaDutilh is, for the time being, co-headed headed by IP expert Vincent Wellens and corporate/insolvency specialist Romain Sabatier. The team, nevertheless, maintains a solid pipeline of commercial litigation (including shareholders' disputes) and international arbitration matters, particularly in the context of the enforcement of arbitral awards. The arrival in December 2023 of senior associate Ottavio Covolo from Clifford Chance also provides the firm with added IP/tech litigation bandwidth, as well as more broadly on the commercial litigation front.

Regularly forming a multi-disciplinary, multi-office offering alongside lawyers from throughout the firm's international network, White & Case S.à r.l.'s nascent litigation team has hit the ground running since it was established in 2023. Most of the day-to-day work is handled by the 'calm, professional and responsive' Alexandre Hublet , who splits his time between the Luxembourg and Brussels offices. As well as handling a considerable amount of fund/finance-related litigation, Hublet has also advised on the Luxembourg/Belgian law aspects of some high-profile cross-border contentious restructuring matters.

Although it is still in its formative stages, the 'professional, knowledgeable and personable' team at DLA Piper Luxembourg continues to gain market traction among funds and corporates, in particular, across a range of commercial litigation. Here the team, which is headed by IP and tech expert Olivier Reisch , is well-placed to handle cross-border matters, often working alongside lawyers from across the firm's international network. As part of its growing roster of work, the team has been active for a number of funds seeking to enforce arbitral awards.

Led by Mario Di Stefano, DSM Avocats à la Cour is best-equipped to handle real estate and construction litigation by virtue of its deep subject matter knowledge and connections with major stakeholders in the industry. The team also handles some public law matters, as well as tax and commercial litigation.