Susannah advises financial institutions, professional services firms and corporates on investigations and compliance matters in fields including sanctions, AML, corruption, fraud and insider dealing/market abuse. She is a member of the Law Society Money Laundering Taskforce and the CLLS Corporate Crime and Corruption Committee. Band 1 ranked in Chambers UK and in the Legal 500 'Hall of Fame', she advises on technical financial crime regulatory issues, conducts internal investigations for clients and advises on external investigations by criminal and regulatory bodies, particularly the FCA and SFO. Recommended by Who’s Who Legal for Business Crime Defence and Investigations, she is described as “phenomenal in sanctions and AML cases”, and Chambers (2020) remarks that she is a “legend in the world of financial crime”.