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Herald focuses his practice on outsourcing, technology transactions, strategic relationships and mergers and acquisitions. He has focused experience in leading complex multi-jurisdictional projects, in technology and in the financial industry.


  • Mergers & acquisitions
  • Global transactions
  • Outsourcing
  • Technology
  • Asset management
  • Insurance


Sukcesy i wyróżnienia

  • Listed, IFLR1000, "Highly Regarded," M&A, 2020-2021
  • Listed, Acritas Stars™ Independently Rated Lawyers, “Star Lawyers,” 2020-2021
  • Chambers Europe, TMT: IT & IT Outsourcing - Netherlands), Band 1
  • Legal 500, The Netherlands, Industry Focus: Information Technology, Leading Individual
  • Herald Jongen 'is an exceptionally effective negotiator and has an excellent command of the practical issues involved with IT outsourcing' (Legal 500, 2019)
  • “He has a great command of the underlying business issues involved in outsourcing" (Chambers Europe,  2019)
  • "He is a very effective negotiator." "He is very knowledgeable and can explain things very clearly" (Chambers Europe, 2019)
  • "Extremely pragmatic, with a clear business sense. He has a drive to get the deal done and agree a contract that is workable from a business point of view." (Chambers Europe, 2017)
  • "Herald Jongen is one of the few who is able and, more to the point willing, to deliver what we ask for on time and in the form we need."
    "The sheer depth of his market knowledge leaves a lasting impression on clients, who speak of his openness, accessibility and creativity."
    "Market sources see him as a major deal maker who knows where to focus his attention".
    "Clients appreciate his no-nonsense and practical mentality, whilst peers admire him for his skill in complex outsourcing transactions."
    "A pleasure to work with."
  • “a logical first choice” for clients
  • "He's extremely responsive and knows what we need."


  • LL.M., VU Amsterdam
Posiadane uprawnienia
  • The Netherlands
Znajomość języków
  • Dutch, ojczysty
  • Angielski, biegle
  • Niemiecki, biegle
  • Francuski, konwersacyjny