Vassia’s practice has a focus on international trade and commodities. She advises and represents clients, mainly commodity trading houses and banks, on both dispute and transactional matters relating to the purchase, sale, and transportation of commodities, particularly food and feedstuffs, vegetable oils, oilseeds, cotton, biofuels, coal, crude oil, and petroleum products. She has considerable experience in arbitration before major trade associations and international bodies, as well as in High Court litigation, including before the appellate courts. She also regularly advises clients in the execution of physical commodity contracts with a view to early dispute resolution. Vassia is recognised as a leading individual in Commodities in both The Legal 500 and Chambers, as follows:

Chambers UK, 2024: “Vassia is an extremely good lawyer. She’s accessible and responsive.”

Chambers UK, 2022: “She is an excellent lawyer who provides high-level legal advice and combines great analysis with a practical sense.”

Chambers UK, 2019: “She is super user-friendly and really good in the physicals space.”

The Legal 500 UK, 2019: “[She] has a very calm manner, which instils the utmost confidence in the advice being given.”

Listed as a Leading Lawyer in The Legal 500 UK for Commodities: Physicals, 2015-2019, and Commodities: Disputes, 2020-2022.

The Legal 500 UK, 2016: Referenced Vassia as having “successfully acted for [a] client in [the] Supreme Court”.