Before you start

A valid passport (and your TIE/green NIE certificate if you already have one)
For a resident account: your NIE plus a recent empadronamiento (padró) certificate as proof of address
For a non-resident account: a certificado de no residencia (or let the bank request it for a fee)
A Spanish or EU phone number and address speed up fintech and online onboarding

Step-by-step

1
Open a fintech account on day one (the fast bridge)
Download N26 or Revolut and open an account with just your passport, usually approved within minutes to a day. This gives you a working EU IBAN immediately so you can receive money and pay by card while your NIE and padró are still pending. Note the IBAN is foreign — N26 a German (DE) IBAN, Revolut a Lithuanian (LT) one — which some Spanish landlords, utilities and public-sector portals still reject.
Mobile appWho: You, from your phoneMinutes to 1 dayFree standard tier
2
Get your NIE and register your address (empadronamiento)
A NIE is effectively mandatory for a standard resident account, and your padró certificate from your district OAC is the proof-of-address banks ask for. Sort these first; they unlock the resident account and remove the recurring non-resident paperwork. Non-EU citizens in particular must hold a NIE to open with most banks.
In personWho: You (NIE via Policía Nacional/extranjería; padró via Ajuntament OAC)1-6 weeks depending on appointment availabilityNIE fee ~€9.84 (Modelo 790-012); padró free
3
Choose your route: resident account now, or non-resident meanwhile
If you have your NIE and padró, open a resident account at a Catalan bank — CaixaBank's HolaBank programme and Banc Sabadell both run expat-focused, multilingual services with dense Barcelona branch networks. If you don't have the NIE yet but want a Spanish (ES) IBAN, open a non-resident account: this requires a certificado de no residencia, which you can obtain yourself or have the bank request.
In personWho: You + a bank manager (HolaBank/Sabadell offer English)Same day to 48 hoursResident accounts often free with conditions; non-resident accounts carry fees (Sabadell ~€13.33/month)
4
Verify in branch and lift account restrictions
Online or non-resident onboarding usually starts you on a restricted account. CaixaBank HolaBank, for example, gives you up to 6 months to visit a branch with your passport; until then you can't make international transfers and monthly deposits are capped (~€600). Visit a branch with your passport (and NIE/padró) to confirm identity, lift limits and activate full features.
In personWho: You, at a local branchWithin the bank's window (CaixaBank: 6 months)No extra cost

Documents you’ll need

Valid passport (primary ID for every route)
NIE / TIE — required in practice for a resident account, especially for non-EU nationals
Empadronamiento (padró) certificate from the Ajuntament as proof of Barcelona address
Certificado de no residencia — only for a non-resident account; valid 3 months, renewable

Things most newcomers don’t know

The fastest legal path to a usable account is a fintech (N26/Revolut) on arrival, then a Catalan high-street bank once your NIE and padró exist.

Traditional banks gate a normal resident account behind the NIE, which can take weeks; a fintech gives you a same-day IBAN for salary and rent so you're not stuck.

Source: Spainguru / Waypoint Sur expat guides

Watch the IBAN: N26 gives a German (DE) IBAN and Revolut a Lithuanian (LT) one, and some Spanish landlords, utilities and government portals still reject non-ES IBANs.

SEPA rules say they should accept any EU IBAN, but 'IBAN discrimination' persists in practice, so a local ES IBAN from a Spanish bank is still worth getting for rent and direct debits.

Source: Waypoint Sur N26 Spain guide

If you can't wait for a NIE but want an ES IBAN, the non-resident account is the bridge — but its certificado de no residencia expires every 3 months.

Banks must verify residency status; letting the certificate lapse can freeze or block the account, so a resident account is cleaner long-term.

Source: Policía Nacional; Wise Spain guide

Both Catalan-origin banks — CaixaBank (HolaBank) and Banc Sabadell — run dedicated multilingual newcomer services and dominate Barcelona's branch network.

HolaBank advertises multilingual managers and onboarding in 48 hours; Sabadell offers an English-language Key Account, making either far easier than a generic branch for a non-Spanish speaker.

Source: CaixaBank HolaBank; Banc Sabadell

Common mistakes to avoid

Assuming you can walk into a high-street bank on arrival and open a normal account — without a NIE you're limited to a non-resident or fintech account.
Letting the certificado de no residencia expire: it's valid only 3 months, and an out-of-date certificate can stall a non-resident account.
Treating a DE or LT fintech IBAN as fully interchangeable — some Barcelona landlords, utilities and public portals reject non-ES IBANs for direct debits.
Ignoring the in-branch verification window: online/non-resident accounts start restricted (e.g. CaixaBank caps deposits near €600/month and blocks international transfers until you visit a branch within 6 months).