Katy Smart ranked Band 1 in Chambers and Partners 20255

Sonn Macmillan Walker's Extradition department maintains its Band 2 ranking in the Chambers and Partners 2025 edition. It is now in its third year ranked in Band 2. 

The Extradition department is headed by Katy Smart, who maintains her Band 1 ranking in this year's edition. 

Sonn Macmillan Walker work strategically and we provide a bespoke service tailored to the client’s needs to ensure a favourable result. Our expertise covers all stages of extradition litigation, from the Magistrates’ Court through to the Supreme Court and the European Court of Human Rights. Our firm routinely acts in cases where political motivation or client vulnerability may be a factor.

We have successfully resisted extradition requests on complex human rights grounds and on the basis that criminal prosecution was politically or economically motivated. 

See our profile here.