Is ALEIGB22TSY a valid SWIFT code?

Yes. ALEIGB22TSY has the right format and is in our directory for SANTANDER UK PLC, LONDON. Confirm with the beneficiary that it is the bank that holds their account.

Can I use the head-office code instead of ALEIGB22TSY?

Usually, yes: international payments reach the bank through its head-office code, ALEIGB22. Use ALEIGB22TSY when the beneficiary or their bank asked for this branch.

SWIFT/BIC · United Kingdom

ALEIGB22TSY

SANTANDER UK PLC · Branch · LONDON

Code details

SWIFT/BIC: ALEIGB22TSY
Institution: SANTANDER UK PLC
Office: Branch
Branch code: TSY
Address: 2 TRITON SQUARE, REGENT'S PLACE, NW1 3AN LONDON
City: LONDON
Country: United Kingdom

What ALEIGB22TSY means

ALEIGB22TSY

ALEIBank code
Four letters chosen by the institution.
GBCountry code
United Kingdom (ISO 3166)
22Location code
Where the institution sits on the SWIFT network. A 1 in second place marks a passive participant.
TSYBranch code
Identifies one branch or department of the institution.

Other codes for SANTANDER UK PLC

ALEIGB22XXXHead office · LONDON ALEIGB22CAFLONDON ALEIGB22DOCLONDON ALEIGB22MTGLONDON

Paying an account at this bank

You will also need the beneficiary’s IBAN. United Kingdom IBANs have 22 characters and start with GB. IBAN format and example → Check an IBAN →

Questions

Is ALEIGB22TSY a valid SWIFT code?: Yes. ALEIGB22TSY has the right format and is in our directory for SANTANDER UK PLC, LONDON. Confirm with the beneficiary that it is the bank that holds their account.
Can I use the head-office code instead of ALEIGB22TSY?: Usually, yes: international payments reach the bank through its head-office code, ALEIGB22. Use ALEIGB22TSY when the beneficiary or their bank asked for this branch.

Sending to ALEIGB22TSY?

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About this data

Codes are checked against our directory of banks on TrillioniPay corridors. Always confirm the code with the beneficiary’s bank before sending a payment. Last updated: 23 September 2026.

Institution names and addresses: Global Legal Entity Identifier Foundation (GLEIF) LEI data, available under CC0. The address is the legal entity’s registered or head-office address, which can differ from the office SWIFT lists.

SWIFT © and database rights August 2026. All rights reserved. This Mapping Table has been developed by SWIFT. Any use of the Mapping Table, in whole or in part, is subject to the BIC/LEI Mapping Table License Agreement as published with the Mapping Table available on GLEIF's website. The Mapping Table is updated monthly. For the latest BIC information and updates, always refer to www.swift.com/bic .