Is MARWNL21 a valid SWIFT code?

Yes. MARWNL21 has the right format and is in our directory for MARKET WIZARDS B.V., AMSTERDAM. Confirm with the beneficiary that it is the bank that holds their account.

What is the difference between MARWNL21 and MARWNL21XXX?

None. MARWNL21 is the 8-character form of MARWNL21XXX; XXX at the end means the head office. Either works.

SWIFT/BIC · Netherlands

MARWNL21

MARKET WIZARDS B.V. · Head office · AMSTERDAM

Code details

SWIFT/BIC: MARWNL21 (MARWNL21XXX)
Institution: MARKET WIZARDS B.V.
Office: Head office
Branch code: XXX · head office
Address: BEURSPLEIN 5, 1012JW AMSTERDAM
City: AMSTERDAM
Country: Netherlands

What MARWNL21 means

MARWNL21XXX

MARWBank code
Four letters chosen by the institution.
NLCountry code
Netherlands (ISO 3166)
21Location 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. Netherlands IBANs have 18 characters and start with NL. IBAN format and example → Check an IBAN →

Questions

Is MARWNL21 a valid SWIFT code?: Yes. MARWNL21 has the right format and is in our directory for MARKET WIZARDS B.V., AMSTERDAM. Confirm with the beneficiary that it is the bank that holds their account.
What is the difference between MARWNL21 and MARWNL21XXX?: None. MARWNL21 is the 8-character form of MARWNL21XXX; XXX at the end means the head office. Either works.

Sending to MARWNL21?

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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 .