# London Firm Ledger > London Firm Ledger documents financial houses, brokerage partnerships, and payment institutions domiciled across the United Kingdom, Ireland, and Gibraltar. - Canonical Domain: https://londonfirmledger.com - Organization: London Firm Ledger - Full Corpus Digest: https://londonfirmledger.com/llms-full.txt ## City Gazette - [City of London, Dublin, and Gibraltar Financial Houses: Verifying Companies House Filings, UK PPON, and Part 4A Permissions](https://londonfirmledger.com/gazette/city-of-london-irish-and-gibraltar-financial-houses-register-audit): A structured verification framework distinguishing UK corporate incorporation and public procurement identifiers from FCA Part 4A prudentially regulated permissions. ## Prudential Rulebook - [UK IFPR Capital Tiers and CASS 7 Client Money Segregation across London Matched-Principal Brokerage Houses](https://londonfirmledger.com/gazette/uk-cass-7-client-money-segregation-and-matched-principal-broker-rules): Examining how K-factor capital requirements (K-DTF, K-CMH, K-ASA) govern matched-principal and agency brokerage houses in the City of London. ## Institutional Governance, Editorial Policy & Faculty - [About, Editorial Policy & CFA/FRM Research Faculty](https://londonfirmledger.com/about): Institutional YMYL editorial standards, primary regulatory filing verification methodology, and research faculty (Nigel Ashworth, FCSI; reviewed by London Firm Ledger Institutional Fact-Checking Board (CFA / FRM)). - [Research Topics & Thematic Pillar Hubs](https://londonfirmledger.com/topics): 2 structured thematic research clusters connecting 2 published briefings and 2 knowledge-graph entities. - [Regulated Financial Institutions & Brokers Directory](https://londonfirmledger.com/houses): 256 supervised institutions and 1 regulatory licences (Financial houses and brokerages headquartered in the United Kingdom, Ireland and Gibraltar). - [Global Financial Regulators Directory](https://londonfirmledger.com/directorates): 11 primary supervisory authorities and licensing frameworks. - [Regulatory Warnings, Revocations & Enforcement Tracker](https://londonfirmledger.com/notices): 228 supervisory warnings and 0 documented compliance cases. - [Financial Knowledge Graph & Entity Registry](https://londonfirmledger.com/register): 2 canonical financial entities, tickers, and regulatory definitions. - [XML Sitemap Index](https://londonfirmledger.com/sitemap.xml): Complete machine-readable URL index. - [Google News Sitemap](https://londonfirmledger.com/sitemaps/news.xml): Real-time publication feed for news indexers. - [RSS 2.0 Institutional Research Feed](https://londonfirmledger.com/feed.xml): Syndicated research briefings. ## Topic Pillar Hubs (`/topics`) - [City Gazette Research Hub](https://londonfirmledger.com/topics/city-gazette): City Gazette institutional intelligence, quantitative benchmarks, primary regulatory filings, and market structure analysis from London Firm Ledger. A structured verification framework distinguishing UK corporate incorporation and public procurement identifiers from FCA Part 4A prudentially regulated permissions. (1 articles, 1 entities) - [Prudential Rulebook Research Hub](https://londonfirmledger.com/topics/prudential-rulebook): Prudential Rulebook institutional intelligence, quantitative benchmarks, primary regulatory filings, and market structure analysis from London Firm Ledger. Examining how K-factor capital requirements (K-DTF, K-CMH, K-ASA) govern matched-principal and agency brokerage houses in the City of London. (1 articles, 1 entities) ## Featured Regulated Institutions (`/brokers`) - [3Commas](https://londonfirmledger.com/houses/3commas): Regulated institution profile (0 tracked licences; services: Multi-asset financial services). - [4OTC](https://londonfirmledger.com/houses/4otc): Regulated institution profile (0 tracked licences; services: Multi-asset financial services). - [Aave](https://londonfirmledger.com/houses/aave): Regulated institution profile (0 tracked licences; services: Multi-asset financial services). - [Adhara](https://londonfirmledger.com/houses/adhara): Regulated institution profile (0 tracked licences; services: Multi-asset financial services). - [Agility Sciences Limited](https://londonfirmledger.com/houses/agility-sciences-limited): Regulated institution profile (0 tracked licences; services: Multi-asset financial services). - [AgriLedger](https://londonfirmledger.com/houses/agriledger): Regulated institution profile (0 tracked licences; services: Multi-asset financial services). - [AID:Tech](https://londonfirmledger.com/houses/aid-tech): Regulated institution profile (0 tracked licences; services: Multi-asset financial services). - [Akchex Wallet](https://londonfirmledger.com/houses/akchex-wallet): Regulated institution profile (0 tracked licences; services: Multi-asset financial services). - [Akropolis](https://londonfirmledger.com/houses/akropolis): Regulated institution profile (0 tracked licences; services: Multi-asset financial services). - [Alluo](https://londonfirmledger.com/houses/alluo): Regulated institution profile (0 tracked licences; services: Multi-asset financial services).