Per completare pagamenti internazionali con destinazione Guernsey devi sapere il codice SWIFT / BIC.
Il codice SWIFT è composto da 8 a11 caratteri (lettere e numeri) e per Guernsey il codice SWIFT ha il seguente formato:
A seguito trovi un elenco completo dalla A alla Z dei codici SWIFT in Guernsey:
| Codice SWIFT | Banca | Città |
| INOBGGS1 | INVESTMENT CONSULTANTS AND BROKERS LTD. | ST. PETER PORT |
| IPESGGSP | INTERNATIONAL PRIVATE EQUITY SERVICE LIMITED | ST. PETER PORT |
| JPOLGGSA | JOANNOU AND PARASKEVAIDES (OVERSEAS) LIMITED | ST. PETER PORT |
| KBENGGSPXXX | KLEINWORT BENSON (CHANNEL ISLANDS ) | St. Peter Port |
| LBGUGGS1 | LAZARD BROTHERS AND CO (GUERNSEY) LTD | ST. PETER PORT |
| LOYDGGS1 | LLOYDS TSB BANK (GUENSEY) LTD | ST. PETER PORT |
| LOYDGGS1001 | LLOYDS TSB BANK (GUENSEY) LTD | ST. PETER PORT |
| LOYDGGS1001 | LLOYDS TSB OFFSHORE | ISLE OF MAN |
| LOYDGGS1002 | LLOYDS TSB BANK (GUENSEY) LTD | ST. PETER PORT |
| LOYDGGS1002 | LLOYDS TSB OFFSHORE | St. Helier |
| LOYDGGS1003 | LLOYDS TSB BANK (GUENSEY) LTD | ST. SAMPSON |
| LOYDGGS1003 | LLOYDS TSB OFFSHORE | St. Helier |
| LOYDGGS1004 | LLOYDS TSB BANK (GUENSEY) LTD | ST. MARTIN |
| LOYDGGS1004 | LLOYDS TSB OFFSHORE | St. Helier |
| LOYDGGS1005 | LLOYDS TSB BANK (GUENSEY) LTD | ALDERNEY |
| LOYDGGS1005 | LLOYDS TSB OFFSHORE | ISLE OF MAN |
| MEESGGSP | MEESPIERSON (C.I.) LIMITED | ST. PETER PORT |
| MGCOGGS1 | DEUTSCHE BANK INTERNATIONAL LIMITED | ST. PETER PORT |
| MIDLGGS1 | HSBC BANK PLC | ST. PETER PORT |
| MIDLGGS101A | HSBC BANK PLC | ST. PETER PORT |
| MIDLGGS101B | HSBC BANK PLC | ST. MARTIN |
| MIDLGGS101C | HSBC BANK PLC | ST. SAMPSON |
| MIDLGGS101D | HSBC BANK PLC | SARK |
| MIDLGGS101E | HSBC BANK PLC | ALDERNEY |