Is SELFESMM a valid SWIFT code?

Yes. SELFESMM has the right format and is in our directory for SINGULAR BANK, S.A., MADRID. Confirm with the beneficiary that it is the bank that holds their account.

What is the difference between SELFESMM and SELFESMMXXX?

None. SELFESMM is the 8-character form of SELFESMMXXX; XXX at the end means the head office. Either works.

SWIFT/BIC · Spain

SELFESMM

SINGULAR BANK, S.A. · Head office · MADRID

Code details

SWIFT/BIC: SELFESMM (SELFESMMXXX)
Institution: SINGULAR BANK, S.A.
Office: Head office
Branch code: XXX · head office
Address: GOYA 11, 28001 MADRID
City: MADRID
Country: Spain

What SELFESMM means

SELFESMMXXX

SELFBank code
Four letters chosen by the institution.
ESCountry code
Spain (ISO 3166)
MMLocation code
Where the institution sits on the SWIFT network. A 1 in second place marks a passive participant.
XXXBranch code
XXX, or nothing at all, means the head office.

Paying an account at this bank

You will also need the beneficiary’s IBAN. Spain IBANs have 24 characters and start with ES. IBAN format and example → Check an IBAN →

Questions

Is SELFESMM a valid SWIFT code?: Yes. SELFESMM has the right format and is in our directory for SINGULAR BANK, S.A., MADRID. Confirm with the beneficiary that it is the bank that holds their account.
What is the difference between SELFESMM and SELFESMMXXX?: None. SELFESMM is the 8-character form of SELFESMMXXX; XXX at the end means the head office. Either works.

Sending to SELFESMM?

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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 .