What is Santander UK's BIC/SWIFT code?

Santander UK's BIC/SWIFT code is ABBYGB2L (full: ABBYGB2LXXX). This is an ISO 9362 standard identifier used for international wire transfers.

How long is a Santander UK IBAN?

Santander UK IBANs follow the United Kingdom format: 22 characters starting with GB.

Is Santander UK a SEPA member?

Yes, Santander UK is a SEPA member, so you can send and receive SEPA credit transfers and direct debits.

What country is Santander UK in?

Santander UK is based in United Kingdom, headquartered in LONDON. The IBAN country code for United Kingdom is GB.

Who owns Santander UK?

Santander UK is owned by Banco Santander S.A., a banking group based in Spain. Santander UK is registered in United Kingdom as a local entity, while its ultimate ownership sits with the parent group in Spain.

🇬🇧 United Kingdom

✓ SEPA MemberPrivate Bank

Santander UK IBAN Format & BIC Code

Find the official BIC/SWIFT code for Santander UK, understand the United Kingdom IBAN format used for all Santander UK accounts, and validate any IBAN instantly.

Bank Details

Full nameSantander UK

BIC / SWIFT codeABBYGB2L

Full BIC (with branch)ABBYGB2LXXX

Country🇬🇧 United Kingdom

CityLONDON

Institution typePrivate Bank

Official websitesantander.co.uk ↗

SEPA memberYes

Transfer networkSEPA + SWIFT

Part of Banco Santander S.A.

Santander UK is registered in United Kingdom but belongs to Banco Santander S.A., a banking group based in Spain.

IBAN Format at Santander UK

IBANs at Santander UK follow the United Kingdom standard: 22 characters starting with GB.

Illustrative Santander UK IBAN (sample account, not a real one):

G

B

1

5

A

B

B

Y

Country

Check Digits

Bank Code

Sort Code

Account No.

Grouped example:

GB15 ABBY 6016 1331 9268 19

IBAN Field Breakdown

Country Code

2 charsISO 3166-1 alpha-2 country code (GB)

Check Digits

2 charsMOD-97-10 check digits per ISO 13616

Bank Code

4 letters4-letter bank identifier (SWIFT prefix)

Sort Code

6 digits6-digit branch sort code

Account No.

8 digits8-digit account number

How to Find Your Santander UK IBAN

Mobile or online banking

Log in to your Santander UK account and navigate to account details. Your IBAN is usually shown on the main account overview page.

Bank statement

Your full IBAN appears on any official account statement — typically at the top alongside the account name.

Debit card / welcome letter

Santander UK may include your IBAN in your account welcome pack or on any correspondence.

Call or visit the bank

Contact Santander UK customer service or visit a branch with valid photo ID to obtain your IBAN.

Validate a Santander UK IBAN

Enter any GB IBAN — MOD-97 check digit verification + bank lookup.

Other United Kingdom Banks

United Kingdom IBAN format →

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LONDON

Frequently Asked Questions

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