Diederik is a corporate and commercial lawyer with vast transactional experience and a profound understanding of entrepreneurial needs in businesses. His extensive expertise includes cross-border M&A work, multi-national (re)structurings, complex contracts, specialty lending and financing transactions across the world, with transactional values ranging from under a million to multiple billions.

Diederik acts for a wide variety of clients, from Fortune 500 and multi-national concerns to family-owned business and start-ups. He also advises private individuals on their legal needs. Diederik serves on the board of various international businesses as a non-executive director. A Belgian national, Diederik is based between London and Brussels and travels extensively for his clients. He is fluent in five languages.

  • I've found Diederik/Keystone to be an invaluable part of our story, as a startup founder it's important to surround yourself with the best people that complement your weaknesses and can offer solutions. Diederik has a refreshing approach to startups and continues to add value across HR, legal and general business practices as legal counsel and non-exec director to KLEEK. I can not recommend Diederik enough and look forward to working with him for years to come.

    Antoine Commane, Founder