Fietta LLP
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Boutique law firm Fietta LLP is dedicated to public international law and investment treaty arbitration. The practice also acts in post-arbitration court proceedings. Renowned public international law practitioner Stephen Fietta KC is currently acting in six investment treaty disputes; and Laura Rees-Evans‘ caseload covers inter-State proceedings before the ICJ. Alongside her investment treaty practice, Oonagh Sands acts in international commercial arbitration proceedings conducted under the ICC, LCIA, SCC and UNCITRAL rules. In November 2024, Freya Baetens joined the firm.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- ‘Oonagh Sands is fantastic.’
- ‘Freya Baetens is exceptional - a delight to work with and combines academic clarity with practicality and pragmatism.’
Key clients
- Elliott Advisors
- Silver Point
Work highlights
Representing Suffolk (Mauritius), Mansfield (Mauritius) and Silver Point Mauritius in a claim brought under a bilateral investment agreement between the Republic of Mauritius and the Portuguese Republic.


