Dr Borg-Cardona was called to the Bar in 1980. He specialises in commercial and labour law, representing clients in negotiations, conciliation and arbitration proceedings, as well as advising on the impact of legislation on their operational structures. He is also concerned with financial services law, contract and company work, with connected litigation. Dr Borg-Cardona is a member of the MdR Fraud Network, a network co-ordinated by the London firm Mishcon de Reya enabling members to be of mutual assistance, particularly in the area of asset recovery and protection on a trans-national level.