# Financial entities | London Firm Ledger > A structured directory of 18 financial entity profiles linked to public research. Canonical: https://londonfirmledger.com/register Last updated: 2026-10-24T16:09:49.288Z ## Financial entities indexed by London Firm Ledger This directory lists 18 public entity profiles linked to research that passes current indexability checks. - [Bank of England Real-Time Gross Settlement (RTGS) System (BOE-RTGS)](https://londonfirmledger.com/register/bank-of-england-rtgs-service) — product; United Kingdom. Critical national infrastructure operated by the Bank of England holding central bank reserve accounts and executing real-time gross sterling settlement. - [Central Bank of Ireland (CBI) Securities Authorization (CBI-MIFID)](https://londonfirmledger.com/register/central-bank-of-ireland-mifid) — license; Ireland (European Union). National competent authority of Ireland supervising investment firms, fund managers, and credit institutions, granting cross-border EU passporting rights. - [FCA Appointed Representative Policy (PS22/11) (PS22-11)](https://londonfirmledger.com/register/fca-ar-policy-ps22-11) — license; United Kingdom. Regulatory reforms increasing principal firm oversight and disclosure obligations to reduce consumer harm originating from appointed representatives. - [FCA Client Assets Sourcebook (CASS 7) (CASS-7)](https://londonfirmledger.com/register/fca-cass-7-client-assets) — license; United Kingdom. Detailed rules in the FCA Handbook requiring firms to protect client money and assets by holding them in segregated statutory trust accounts at credit institutions. - [FCA Consumer Duty Principle 12 Framework (PRIN-12)](https://londonfirmledger.com/register/fca-consumer-duty-principle-12) — license; United Kingdom. Overarching FCA principle requiring firms to act to deliver good outcomes for retail customers across products, price, understanding, and support. - [FCA Part 4A Permission Framework (PART-4A)](https://londonfirmledger.com/register/fca-part-4a-permission) — license; United Kingdom. Statutory authorization under Part 4A of FSMA 2000 permitting regulated firms to carry on designated regulated financial activities in the UK. - [FCA / PRA Operational Resilience Policy (PS21/3) (PS21-3)](https://londonfirmledger.com/register/fca-operational-resilience-ps21-3) — license; United Kingdom. Regulatory policy requiring financial firms to build operational resilience to prevent, adapt, respond to, recover, and learn from severe operational disruptions. - [Gibraltar Financial Services Commission (GFSC) DLT Regime (GFSC-DLT)](https://londonfirmledger.com/register/gibraltar-gfsc-dlt-regime) — license; Gibraltar (UK Overseas Territory). Principles-based regulatory framework enacted under the Financial Services Act 2019 governing entities storing or transmitting value belonging to others using DLT. - [London Court of International Arbitration (LCIA) (LCIA)](https://londonfirmledger.com/register/lcia-arbitration-court) — product; United Kingdom / International. One of the world’s leading international institutions for commercial dispute resolution, offering efficient, flexible, and confidential arbitration procedures. - [London Stock Exchange AIM Rules Framework (AIM-RULES)](https://londonfirmledger.com/register/lse-aim-rules-framework) — product; United Kingdom. Regulatory rulebook issued by the London Stock Exchange governing companies admitted to trading on AIM and their approved Nominated Advisers. - [Panel on Takeovers and Mergers (The Takeover Panel) (TAKEOVER-PANEL)](https://londonfirmledger.com/register/uk-takeover-panel-code) — license; United Kingdom. Independent regulatory body responsible for issuing and administering the City Code on Takeovers and Mergers to ensure fair treatment of shareholders. - [Senior Managers and Certification Regime (SM&CR) (SMCR)](https://londonfirmledger.com/register/fca-smcr-regime) — license; United Kingdom. Regulatory regime governing individual accountability, conduct, and competence for senior managers and certified staff across UK financial institutions. - [UK CASS 7 Client Money Rules (CASS-7)](https://londonfirmledger.com/register/uk-cass-7-client-money) — license; United Kingdom. Chapter 7 of the FCA Client Assets Sourcebook governing the statutory trust segregation and daily reconciliation of client money held by UK investment firms. - [UK Companies House Official Register (COMP-HOUSE)](https://londonfirmledger.com/register/uk-companies-house-register) — product; United Kingdom. Executive agency of the British government maintaining the official register of companies and corporate filings across England, Wales, Scotland, and Northern Ireland. - [U.K. Financial Conduct Authority (FCA) (FCA)](https://londonfirmledger.com/register/uk-financial-conduct-authority) — license; United Kingdom. Financial regulatory body in the United Kingdom supervising conduct and prudential standards across investment firms, payment institutions, and trading venues. - [UK Investment Firms Prudential Regime (MIFIDPRU) (IFPR-MIFIDPRU)](https://londonfirmledger.com/register/uk-mifidpru-ifpr-framework) — license; United Kingdom. Prudential regulatory framework governing capital adequacy, liquidity, risk governance, and remuneration for all FCA-authorized investment firms. - [UK Investment Security Unit (ISU) NSIA Framework (UK-NSIA)](https://londonfirmledger.com/register/uk-nsia-investment-security) — license; United Kingdom. Statutory framework allowing the British government to scrutinize and intervene in business transactions and investments to protect national security. - [UK Market Abuse Regulation (UK MAR) (UK-MAR)](https://londonfirmledger.com/register/uk-market-abuse-regulation) — license; United Kingdom. Statutory regime prohibiting insider dealing, unlawful disclosure of inside information, and market manipulation across UK trading venues.