AONIGB33 — AON PLC
AONIGB33 is the SWIFT/BIC code for AON PLC in LONDON, United Kingdom — an 8-character head-office code under ISO 9362.
AONIGB33 is the SWIFT/BIC code for AON PLC in LONDON, United Kingdom. It is an 8-character head-office identifier under the ISO 9362 standard.
BIC breakdown (ISO 9362)
| Field | Value |
|---|---|
| Institution | AON PLC |
| Country | United Kingdom (GB) |
| Location Code | 33 |
| Branch | None |
| Type | 8-character head-office code (BIC8) |
⚠️ Critical Money Transfer Warning (YMYL)
Verify the BIC with your beneficiary bank: Database records are informational only. swiftbic.org is not affiliated with SWIFT. Always verify the SWIFT/BIC code and name of the beneficiary with the receiving bank or official registration records before initiating any international wire transfer.
Common Mistakes: Do not confuse the SWIFT/BIC code (identifies the bank branch) with the IBAN (identifies the specific bank account). Using an incorrect branch suffix or a deactivated code can result in payments being returned, delayed, or subject to significant administrative return fees.
Verify AONIGB33 in the live lookup → · IBAN Validator & Checker → · SWIFT Guide →
Frequently asked questions
What bank does the SWIFT code AONIGB33 belong to?
The SWIFT code AONIGB33 identifies AON PLC in LONDON, United Kingdom. This head office code is used for cross-border payments and SWIFT network routing.
What do the parts of the SWIFT code AONIGB33 mean?
The 8 or 11 characters of AONIGB33 are parsed as follows: characters 1-4 (AONI) represent the bank code for AON PLC; characters 5-6 (GB) indicate the country code for United Kingdom; characters 7-8 (33) specify the location code; and the final characters (—) designate the specific branch.
Is the BIC code AONIGB33 active on the SWIFT network?
Yes, the Business Identifier Code (BIC) AONIGB33 is registered under ISO 9362 and is active for routing interbank messages. Location characters '33' designate it as a primary active participant.
Can I use the head office code AONIGB33 instead of AONIGB33?
Yes. The 8-character code AONIGB33 represents the primary headquarters of AON PLC. The 11-character code AONIGB33 targets the head office directly. If the branch code is unknown, sending payments to AONIGB33 (or AONIGB33XXX) will route them to the main head office.
What is the physical address of the bank registered to AONIGB33?
The physical address registered for AONIGB33 is: 122 LEADENHALL STREET, EC3V 4AN, LONDON, United Kingdom. Verify this address matches your recipient's branch details before initiating a transaction.
What routing networks operate with the AONIGB33 code in United Kingdom?
The SWIFT code AONIGB33 is used for international inbound wire transfers in the United Kingdom. Domestic GBP clearings route via BACS, CHAPS and Faster Payments rather than SWIFT.
Sources & References
- 🌐 ISO 9362: The official standard defining the Business Identifier Code (BIC) format guidelines.
- 🏢 SWIFT Registration Authority: The organization designated by ISO to register and publish BICs (swift.com).