United Kingdom
| Exchange | Comments |
| London Stock Exchange | The UK's central stock exchange |
| AIM
| London's Alternative Investment Market for smaller companies |
| PLUS
| Market for small and medium company stocks (formerly called OFEX) |
| BATS
| BATS Europe is an FSA-authorized multilateral trading facility (MTF) for pan-European equity securities |
| Nasdaq OMX | This London Securities & Derivatives Exchange is now part of the Swedish OM Group and the American NASDAQ |
| LME | The London Metal Exchange, a centre for non-ferrous metal trading |
| Chi-X | Chi-X Europe, based in London, is a trading venue for many European equities |
| ICE | The IntercontinentalExchange, an electronic marketplace for trading in agricultural, emissions, energy, currency, credit and equity index markets |
| APX-ENDEX | The APX-ENDEX energy exchange for trading in electricity and natural gas in Northwestern Europe |
| The Baltic Exchange | The Baltic Exchange arranges ocean transport and bulk freight |
| EMX | EMX Message System is an electronic platform and valuation facility for shares or units in Collective Investment Schemes |
| LCH.Clearnet | The London Clearing House manages settlement of London-traded derivatives. It is a "Recognised Clearing House" rather than an exchange |
| Turquoise | A Multilateral Trading Facility ("MTF") regulated by the Financial Services Authority that provides pan-European lit and dark equity trading |
| FTSE | Data about companies that constitute the major UK stock indices |