De Brauw Blackstone Westbroek acts for multinational corporations across a wide array of sectors, demonstrating a wealth of experience handling cross-border mass claims and class action proceedings. Machteld de Monchy leads the practice and is an authority on class actions and mass claims, being well-versed in handling multi-jurisdictional follow-on cases as well as complex class actions that fall under the WAMCA regime. Marieke Bredenoord-Spoek specialises in class actions and competition follow-on damage cases, handling matters involving product liability and consumer law, securities litigation and competition issues. Johan Valk is another key team member who handles mass claims before the Dutch courts.

Houthoff‘s litigation practice is well-versed in handling complex collective damages, securities class actions and competition-related claims. The practice represents and defends a range of domestic and international corporates. Practice head Albert Knigge leads on multiparty cross-border disputes and excels in Dutch civil procedures. Rick Cornelissen is a key team member and handles a mix of civil and competition mass claims. Paul Sluijter is a go-to for international mass claims, the recovery of assets and the recognition of foreign judgements and attachment. Lucas Dröge handles sensitive class actions involving issues such as health and safety, product liability and contamination.

Pels Rijcken represents multinational corporates, state bodies, and municipal authorities on class action in class actions at all levels of the Dutch courts. The team has a wealth of experience regarding administrative law and regulatory issues, particularly in the transport and financial sectors. The practice is jointly led by Willem Heemskerk and Raimond Dufour. Heemskerk acts for corporate clients in class actions involving liability and compensation cases, as well as cartel damage claims. Dufour has experience handling cross-border mass litigation, defending clients regarding environmental and competition law claims.

Stibbe B.V. and Business Development demonstrates a leading class actions and mass damage litigation practice, representing multinational clients in multi-billion-euro claims. The practice leverages the firm’s expertise across regulatory, competition, corporate, finance and corporate criminal law to advise clients on a wide range of contentious issues. Jeroen Kortmann heads the practice, defending clients in cross-border mass claims cases before Dutch courts as well as in competition damages litigation and insurance disputes. Branda Katan is well-regarded for her work on collective actions, regularly advising clients on contractual issues, ESG, industrial accidents and consumer rights matters.

AKD‘s class action practice represents plaintiffs in cross-border collective redress mandates, with a recent focus on privacy and data protection regulations, cartel cases and competition-related claims. The team regularly handles includes group claims, WAMCA claims and collective settlements. Patrick Haas leads the team and is particularly sought-after among class action funders to represent foundations in cross-border collective redress cases. Jeffrey Kleywegt is experienced in handling emissions-related class actions and automotive cartel cases.

A&O Shearman‘s arbitration practice defends transport, technology, and financial services clients facing domestic and international class actions. The team is jointly led by litigation specialists Richard de Haan and Tim Sweerts. De Haan is well-regarded for his work on corporate and commercial litigation, using his background to advise clients on mass tort and collective disputes. Sweerts is key to class actions and mass litigation, leading on WAMCA cases and handling follow-on antitrust litigation, shareholder litigation and product liability issues. Hilde van der Baan is entrusted on disputes mandates in the projects, energy and construction sectors. Van der Baan also advises clients on energy transition-related mass claims. Arnold Croiset van Uchelen left the firm in March 2025.

BarentsKrans‘ mass litigation practice represents claimants on a range of collective redress matters in regulated sectors including technology and energy. The practice is jointly led by Martijn van Maanen and William Schonewille. Van Maanen leads on private enforcement and securities litigation, regularly acting on behalf of group representatives and claim organisations in assignment model cases. Schonewille is well-versed in handling finance-related contentious matters and represents plaintiffs in class actions involving banking and securities law. Competition-related claims are handled by Joost Fanoy.

Birkway B.V. is well-versed in Dutch collective redress matters, advising on claims arising both before and after the introduction of WAMCA. The firm focuses on representing claimants in mass claims and is regularly entrusted to litigate on issues including automotive-related collective damage actions. Quirijn Bongaerts co-leads the team and is noted for his work on securities litigation and consumer mass claims. Fellow co-head Joost Edixhoven is an expert in ESG issues, handling collective consumer class actions as well as other corporate litigation cases. Michiel van Eersel also co-leads the practice, focusing on banking and finance litigation.

Finch Dispute Resolution regularly advises clients on mass claims and class actions under WAMCA. Well-versed in handling cross-border issues, the firm is a go-to for claims invoking novel categories of damage and untested liability theories. Koen Rutten acts on behalf of plaintiffs in mass tort litigation involving consumer, environmental, and financial harm. Dieuwertje de Leeuw represents clients in class actions involving environmental claims and financial fraud. Carlijn Tjoa focuses on mass tort issues involving misleading financial reporting. The three aforementioned lawyers all jointly lead the practice. Lars Boersma advises energy, gaming and financial sector clients on cross-border collective actions. Product lability specialist Jantina Hiemstra joined the firm following her departure from Hausfeld Advocaten.

Hausfeld Advocaten‘s commercial and competition litigation practice boasts longstanding experience acting for claimants in mass litigation both domestically and across Europe. The team is well-regarded for its work on transport and technology-related class action cases. The practice is jointly led by Rogier Meijer, Erik-Jan Zippro and Sander Timmerman, who are well-versed in representing plaintiffs in a broad range of collective redress claims.

Lindenbaum fields a team dedicated to collective actions, cartel follow-on damages claims, corporate disputes and investor claims. The firm is often engaged in WAMCA consumer collective actions and antitrust and competition-related claims. Damiën Berkhout heads the practice and represents clients in commercial and corporate disputes, competition law litigation and WAMCA class actions. Stefan Tuinenga centres his practice on international and cross-border antitrust litigation and collective action claims.

Linklaters‘ litigation, arbitration and investigations practice is headed by Daniella Strik, a ‘go-to defence lawyer in class action’ who stands out for her focus on collective redress cases involving corporate, banking and competition law issues. The team also has experience handling class actions involving product liability, real estate, investments, cartel and competition law, banking and consumer law issues. Bart Fleuren handles class actions and cases before the Supreme Court, while Frans Lambert assists with securities litigation and insolvency issues.

Loyens & Loeff‘s class actions team, led by practice head Bastiaan Kemp, is well-versed in ESG litigation and collective redress. Kemp regularly acts for private equity players, listed corporates, and investment firms on a range of mass claims litigation, arbitration and corporate governance cases. Marit Bosselaar is a further disputes specialist and centres her practice on class active litigation and collective settlements. The team is regularly supported by Irene Bloemen and Abdel Attaïbi.

Van Doorne‘s mass claims team benefits draws from sector-specific expertise across TMT, energy, manufacturing, and financial services to handle complex class actions for defendants. The team is also active in ESG-related mass litigation, data privacy claims as well as follow-on competition claims. Besides its primary work for private- and public-sector defendants, the firm also represents claimants in class actions. The team is led by experts Daan Beenders and Jasper Leedekerken. Beenders often represents multinational corporates in class actions and commercial litigation and is well-versed in liability law. Leedekerken handles mass damages claims and securities litigation, as well as commercial litigation.

Ysquare offers a broad bench of experts who demonstrate a strong foundation in class actions and mass claims litigation. The firm focuses on defending clients from class action claims, representing national and international companies from the energy, construction, IT and banking and financial sectors. The team is particularly active in class actions involving ad-tech, securities, automotive and ESG issues. Margriet de Boer is a class actions specialist who defends clients in a wide array of matters. Robbert Jan van der Weijden handles commercial disputes and class actions. Rufus Abeln left the firm in Janurary 2025.

Brande & Verheij LLP brings a strong focus on collective redress and cartel damages cases. The practice is co-led by founding partners Jeroen van den Brande and Theodoor Verheij. Van den Brande represents plaintiffs in commercial and contractual litigation, while Verheij leads on cartel damages actions, finance-related disputes and collective redress. Bas Lem also represents clients in class actions and focuses on issues involving construction, corporate and contract law.

Brinkhof is well-regarded for its disputes work in the technology sector. The firm centres its class actions and collective redress practice on defending global technology giants related to competition, privacy and platform regulation issues. The practice is co-led by Jan Pot, Pepijn van Ginneken and Quinten Kroes. Pot is well-versed in big tech mass damage claims and adtech issues, van Ginneken focuses on competition law issues and cartel damages claims, and Kroes is a go-to for data protection issues.

Clifford Chance is sought-after for its skills in handling complex commercial disputes and regularly defends domestic and multinational clients facing collective proceedings. The class actions and mass litigation practice is led by Daan Lunsingh Scheurleer, who has a wealth of experience handling international litigation and is well-versed in class and collective disputes involving environmental claims. Juliette Luycks is noted for her work in follow-on litigation.

Freshfields LLP‘s disputes resolution practice handles a range of mass claims and class actions under the new WAMCA regime. The team also represents clients in ESG-related litigation, including collective actions. The practice is led by Mijke Sinninghe Damsté who is known for her specialty in class actions and mass claims. Fellow practice co-head Jelle Drok handles a mix of commercial litigation, mass claims and IP-related cases. Drok is well-versed in representing clients from the technology and pharmaceutical sectors.

NautaDutilh‘s class actions practice regularly handles group actions, collective proceedings and multiparty disputes, often concerning regulated sectors such as financial services, energy and utilities, and life sciences. The practice is also active in climate change litigation and WAMCA class actions. Team lead Freerk Vermeulen is a Supreme Court litigation specialist who has experience handling class actions and environmental liability cases. Stijn Franken is a go-to lawyer for insurance and product liability claims, while Philip Malanczuk handles cartel damages actions.

Rubicon Impact & Litigation B.V., established in November 2024, brings a particular focus and expertise in litigation proceedings. The firm's founders includes practice heads Frank Peters, Vita Zwaan and Ianika Tzankova. The practice advises claimants on class action, mass litigation and follow-on proceedings. Zwaan is the go-to for privacy and data protection-related class actions, while Peters excels in corporate litigation, ESG-related claims and class actions. Tzankova is well-regarded for her expertise in collective redress, representing clients in complex WAMCA cases and mass claims.