Mr Jérôme Vermeylen > ALTIUS > Brussels, Belgium > Lawyer Profile


Work Department

Corporate and M&A.




Jérôme Vermeylen was admitted to the Brussels Bar in 1997.

Jérôme’s practice is focused on M&A, joint ventures, corporate reorganisations, and corporate law in general. He has an in-depth knowledge in cross-border mergers and reorganisations.

Jérôme advises numerous Belgian and international groups and private equity funds about their proposed acquisitions, investments, reorganisations and other corporate issues. He also assists clients in corporate dispute resolution files (e.g. post-acquisition claims, shareholders’ disputes, and directors’ liability issues) and in banking and finance matters.

Over the years, Jérôme has been assisting clients from various industries, including technology and telecoms, insurance, real estate, logistics and non-profit.

He regularly speaks and writes on M&A and corporate law issues.

Jérôme has been recommended in Legal 500 2016, 2017, 2018, 2019 and IFLR 2017, 2018 and 2019.


He is fluent in French, Dutch, English and German.


Jérôme was Vice-President of the Corporate M&A Commission at AIJA (2014 – 2017) and is a member of the Belgian-Indian Chamber of Commerce & Industry and the Belgium-Japan Association & Chamber of Commerce.


  • Special Degree in Corporate Law (Katholieke Universiteit Brussel)
  • DAAD Special Program in German Law (Universität Tübingen and High Court of Düsseldorf)
  • Erasmus Exchange Programme (University of London, Queen Mary & Westfield College)
  • Juris (Katholieke Universiteit Leuven)

Lawyer Rankings

Belgium > Insurance

ALTIUS offers a multidisciplinary service to insurers, reinsurers, and intermediaries, advising on M&A, disputes, regulatory compliance, and data protection concerns. The team has expertise in regulatory and legislative frameworks for the insurance sector, is able to handle cross-border contracts and transactional work, and handles a combination of insurance and indemnities litigation. The team is led by Alexander Hansebout, a specialist in complex international disputes and litigation, alongside Jérôme Vermeylen, who focuses on transactions, corporate law, and restructurings.

Belgium > Not-for-profit

ALTIUS‘ cross-disciplinary practice works with a strong mix of not-for-profits and their corporate affiliates – both Belgian and international – on the full gamut of issues, including legislative advisory, IP, EU and Belgian regulatory frameworks, employment and litigation. Tax and VAT advisory is a further core strength, underpinned by the team’s strategic partnership with Tiberghien. Jérôme Vermeylen advises various organisations and corporate clients on strategic questions, as well as the set-up, status, and running of various entities. Carmen Verdonck stands out for her expertise in competition law compliance, advising both non-profit associations and health institutions on their activities. Olivier Vrins and Jan Clinck are also noted.

Belgium > Commercial, corporate and M&A

Primarily active in the mid-market, ALTIUS is a prolific adviser on domestic M&A, and also regularly acts as Belgian counsel on complex cross-border transactions, enjoying productive relationships with a number of international law firms. Alongside transactional work, the team also has expertise in restructurings, finance, and corporate tax issues. The team is jointly led by Jérôme Vermeylen, who focuses on M&A, joint ventures, and reorganisations, M&A specialist Tom Vantroyen, and Marie Brasseur, who advises on cross-border transactions, private equity investments, and restructurings.

Belgium > Industry focus: IT and telecoms

ALTIUS handles the full gamut of transactional, advisory, and disputes-based work for a multitude of key international and Belgian market players. In recent months, the team has represented some of the world’s largest tech companies in proceedings before the Belgian Courts and the Belgian data protection authority. The practice is jointly led by two partners: Gerrit Vandendriessche, an experienced computer law and commercial law specialist; and Jérôme Vermeylen, who works with various IT clients on a range of corporate transactions. Louis-Dorsan Jolly and Jan Clinck are noted for their capabilities in data protection litigation.