
Fusing ‘unparalleled intellect with in-depth knowledge of arbitration strategy’, Three Crowns LLP’s recent engagements include commercial arbitrations across Asia, South America, and the Middle East; while its sector coverage encompasses aerospace, energy, construction, telecoms, financial services, and pharmaceuticals. The firm also maintains a thriving investor-state practice. Constantine Partasides KC‘s track record includes securing several high-value awards; Gaëtan Verhoosel KC, who works between the London and Madrid offices, is a longstanding commercial and investment treaty arbitration specialist; and Reza Mohtashami KC is a renowned Middle East dispute expert. The next line of key practitioners features Manish Aggarwal, who acts in commercial arbitrations under all the major arbitration rules; investor-state dispute expert Leilah Bruton; and Jonathan Fernandes, who acts in international investment treaty arbitrations in the energy, aerospace, commodity trading, mining, finance, construction, and insurance sectors. Richard Trinick is a specialist in energy, M&A, finance, and life sciences disputes.
Legal 500 Editorial commentary
Accolades
Client satisfaction: Lawyer & team quality
Client satisfaction: NPS ®
Testimonials
Collated independently by Legal 500 research team.
- ‘This is a solid team comprised of high-calibre individuals.’
- ‘They are sharp and focused, and experts in their field. ’
Key clients
- American Express
- Apfin Investment Pte
Work highlights
Representing Crescent Petroleum in two cases against the National Iranian Oil Company, arising out of a gas sale and purchase agreement.
Lawyers
Hall of Fame
The lawyers at the very top of the profession, widely known and respected by peers and clients for their longstanding involvement in market-leading work.
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.
Next Generation Partners
Junior partners with significant recognition from clients and peers in the market and key roles on multiple matters.
Leading associates
Leading associates with regular involvement in their team's key work, and recognition from peers or clients as being ones to watch.
Practice head
Constantine Partasides KC; Reza Mohtashami KC
Other key lawyers
Gaëtan Verhoosel KC; Reza Mohtashami KC; Manish Aggarwal; Leilah Bruton; Jonathan Fernandes; Richard Trinick





