Introduction and Overview; the FCA Perspective; Requests for Information; Notifying the FCA of Regulatory Problems and Internal Investigations; Skilled Persons Reports; Remedial Action; Formal FCA Investigations: Civil Investigations; Formal FCA Investigations: Criminal Investigations; How the FCA Makes Disciplinary and Enforcement Decisions; How the PRA Makes Disciplinary and Enforcement Decisions; The Role of Mediation; Disciplinary Sanctions and Other Enforcement Options; Challenging FCA Decisions: the Financial Services and Markets Tribunal; Challenging FCA Decisions: the Courts and Other Avenues; Interface with Other Investigations and Proceedings.