The PRA is a part of the Bank of England and responsible for the prudential regulation and supervision of banks, insurers and major investment firms, regulating some 1,700 financial firms.
The quartet are joined by Macfarlanes, Shoosmiths, Simmons & Simmons and Ward Hadaway, in a category designed to showcase the firms seeking new ways to provide legal services.
In further testimony to the so-called Royal Commission on Wednesday, AMP executives admitted that it had charged users of online platforms for advice fees despite not receiving the permission required by law.
Ali Sadr Hasheminejad, who is accused of bank fraud and skirting Iran sanctions in the United States, is pleading not guilty to the charges
Serious Fraud Office (SFO) cases will benefit from artificial intelligence technology that will allow it to investigate more quickly, reduce costs and achieve a lower error rate, the watchdog said.