The United Kingdom's financial sector, centred on the City of London, remains one of the most influential in global finance, encompassing banking, asset management, insurance and capital markets activity regulated by the Financial Conduct Authority and the Prudential Regulation Authority. London's position as a hub for international banks, exchanges and professional services firms underpins its role in cross-border finance. Regulatory oversight covers licensing, conduct standards and prudential supervision across the sector. This section brings together the institutions, regulatory frameworks and market developments shaping the UK's financial sector, from banking supervision to capital markets activity and regulatory reform.