Ysquare
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Ysquare is a boutique focused on dispute resolution and handles a mix of complex domestic and international arbitration. It has experience in energy-related arbitration involving long-term supply contracts and renewables projects, construction arbitration, financial disputes, and retail, food and beverage arbitration proceedings. Rufus Abeln left the firm in January 2025, while Bregje Korthals Altes departed in January 2026.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- 'Jan van Nass is very smart, client focused and easy to work with, delivering great results to the client's fullest satisfaction in a very complicated case in a no fuss manner, whilst always ready to think outside of the box and try unconventional approaches.'
- 'A collaborative practice - pleasant team to work with in co-counsel settings.'
Key clients
- ExxonMobil