What is BiG's BIC/SWIFT code?

BiG's BIC/SWIFT code is BIGUPTPL. This is an ISO 9362 standard identifier used for international wire transfers.

How long is a BiG IBAN?

BiG IBANs follow the Portugal format: 25 characters starting with PT.

Is BiG a SEPA member?

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

🇵🇹 Portugal

✓ SEPA Member

BiG IBAN Format & BIC Code

Find the official BIC/SWIFT code for BiG, understand the Portugal IBAN format used for all BiG accounts, and validate any IBAN instantly.

Bank Details

Full nameBiG

BIC / SWIFT codeBIGUPTPL

Country🇵🇹 Portugal

CityLisbon

SEPA memberYes

Transfer networkSEPA + SWIFT

IBAN Format at BiG

IBANs at BiG follow the Portugal standard: 25 characters starting with PT.

Example structure (Portugal format):

P

T

Country

Check Digits

Bank Code

Branch Code

Account No.

Check

Grouped example:

PT50 0002 0123 1234 5678 9015 4

IBAN Field Breakdown

Country Code

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

Check Digits

2 charsMOD-97-10 check digits per ISO 13616

Bank Code

4 digits4-digit bank identifier

Branch Code

4 digits4-digit branch code

Account No.

11 digits11-digit account number

Check

2 digits2-digit check digits

How to Find Your BiG IBAN

Mobile or online banking

Log in to your BiG 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

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

Call or visit the bank

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

Validate a BiG IBAN

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

Other Portugal Banks

Portugal IBAN format →

Lisbon

Lisbon

Porto

Lisbon

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