A continuación se listan los códigos SWIFT de los bancos de Reino Unido. Estos códigos son solamente los de los participantes activos de la red SWIFT. Los códigos de otras entidades no están incluidas en esta lista.
| Identificación | Banco | Ciudad | Sucursal | Código SWIFT |
|---|---|---|---|---|
| 15401 | MACQUARIE CAPITAL (EUROPE) LIMITED | LONDON | MAPUGB21 | |
| 15402 | MACQUARIE INTERNATIONAL LIMITED | LONDON | MAECGB21 | |
| 15403 | MADOFF SECURITIES INTERNATIONAL LIMITED | LONDON | MADLGB21 | |
| 15404 | MAGNA CAPITAL LIMITED | LONDON | MGCAGB21 | |
| 15405 | MAITLAND ADMINISTRATION SERVICES LIMITED | CHELMSFORD | PHAEGB21 | |
| 15406 | MAITLAND INSTITUTIONAL SERVICES LIMITED | CHELMSFORD | MAUVGB21 | |
| 15407 | MAITLAND INSTITUTIONAL SERVICES LIMITED | CHELMSFORD | MI QUILTER CHEVIOT INVESTMENT FUNDS | MAUVGB21QUC |
| 15408 | MAKINSON COWELL LTD | LONDON | MACWGB21 | |
| 15409 | MAKO FINANCIAL MARKETS PARTNERSHIP LLP | LONDON | MAGBGB21 | |
| 15410 | MAKO GLOBAL DERIVATIVES PARTNERSHIP LLP | LONDON | MAKGGB21 | |
| 15411 | MAKOR SECURITIES LONDON LTD | LONDON | MKSLGB21 | |
| 15412 | MAKOR SECURITIES LONDON LTD | LONDON | MKSLGB31 | |
| 15413 | MALABAR CAPITAL LTD | LONDON | MACTGB21 | |
| 15414 | MALAYAN BANKING BERHAD | LONDON | MBBEGB2L | |
| 15415 | MAN FUND MANAGEMENT UK LIMITED | LONDON | SGUTGB21 | |
| 15416 | MAN GROUP INVESTMENTS LIMITED | LONDON | GLPRGB21 | |
| 15417 | MAN GROUP INVESTMENTS LIMITED | LONDON | MANZGB2L | |
| 15418 | MAN GROUP INVESTMENTS LIMITED | LONDON | GUERNSEY BRANCH | MANZGB2LGUE |
| 15419 | MAN GROUP INVESTMENTS LIMITED | LONDON | MAN VALUATIONS SERVICES | MANZGB2LFND |
| 15420 | MAN GROUP INVESTMENTS LIMITED | LONDON | SINGAPORE BRANCH | MANZGB2LSNG |
| 15421 | MAN GROUP INVESTMENTS LIMITED | LONDON | TRADING AND CASH ADMINISTRATION | MANZGB2LCMI |
| 15422 | MAN INVESTMENTS FINANCE LIMITED | LONDON | MIFLGB21 | |
| 15423 | MANEK INVESTMENT MANAGEMENT LIMITED | HARROW | MAIGGB21 | |
| 15424 | MANGOPAY U.K. LIMITED | LONDON | MPAYGB22 | |
| 15425 | MANIGO SERVICES LTD | LONDON | MNSEGB22 | |
| 15426 | MANRO HAYDAN TRADING | LONDON | MAHTGB21 | |
| 15427 | MANULIFE INVESTMENT MANAGEMENT (EUROPE) LIMITED | LONDON | MIFMGB21 | |
| 15428 | MARATHON ASSET MANAGEMENT (SERVICES) LIMITED | LONDON | MASMGB2L | |
| 15429 | MARBLE BAR ASSET MANAGEMENT LLP | LONDON | MBAAGB21 | |
| 15430 | MARECHALE CAPITAL PLC | LONDON | CATYGB21 | |
| 15431 | MARECHALE CAPITAL PLC | LONDON | HELCGB21 | |
| 15432 | MAREX FINANCIAL | LONDON | MARXGB2LTGT | |
| 15433 | MAREX FINANCIAL | LONDON | MARXGB2L | |
| 15434 | MAREX FINANCIAL | LONDON | CREST MARX | MARXGB21ARX |
| 15435 | MAREX FINANCIAL | LONDON | CREST MRXA | MARXGB21RXA |
| 15436 | MAREX FINANCIAL | LONDON | CREST MRXF | MARXGB21RXF |
| 15437 | MAREX FINANCIAL | LONDON | MAREX | MARXGB2LITA |
| 15438 | MAREX FINANCIAL | LONDON | UK | MARXGB2LTGA |
| 15439 | MAREX SPECTRON INTERNATIONAL LIMITED | LONDON | SPLCGB21 | |
| 15440 | MAREX SPECTRON INTERNATIONAL LIMITED | LONDON | MRSIGB21 | |
| 15441 | MARGETTS FUND MANAGEMENT LIMITED | BIRMINGHAM | MAFTGB21 | |
| 15442 | MARIANA INVESTMENT PARTNERS LLP | LONDON | MIPPGB21 | |
| 15443 | MARIANA UFP LLP | LONDON | MCMKGB21 | |
| 15444 | MARINE AND GENERAL MUTUAL LIFE ASSURANCE SOCIETY | WORTHING | MGMLGB21 | |
| 15445 | MARINER INVESTMENT (EUROPE) LLP | LONDON | MIPLGB21 | |
| 15446 | MARKET ACCESS OPS LTD | LONDON | MRACGB21 | |
| 15447 | MARKET DYNAMICS UK LIMITED | LONDON | MADYGB21 | |
| 15448 | MARKET HARBOROUGH BUILDING SOCIETY | MARKET HARBOROUGH | MHBSGB21 | |
| 15449 | MARKET HARBOROUGH BUILDING SOCIETY | MARKET HARBOROUGH | MHBSGB22 | |
| 15450 | MARKETAXESS CAPITAL LIMITED | LONDON | MCPTGB21 |