Kelly specialises in regulatory and criminal enforcement matters, including corruption, bribery, economic sanctions, export controls and corporate compliance and integrity matters. She regularly conducts internal investigations and advises and represents companies and financial institutions in administrative and criminal enforcement proceedings.

She also advises and represents clients in complex litigation, including investor-state, commercial and regulatory disputes, with a particular focus on matters at the intersection of civil and criminal law.

Since 2024, Kelly has been a guest lecturer on M&A compliance and regulatory topics at the VU Law Academy.

From March to August 2026, Kelly was on secondment to the London office of Slaughter and May.