Banks directory 2026

Banks in Spain

Spanish commercial banking is a post-caja market: the old savings-bank map was concentrated through resolution and mergers into a short list of national groups, while Banco de España and FROB still sit on the official layer that product lawyers meet before they meet a branch manager.

Banco Santander and BBVA are the two internationally recognised Spanish groups. CaixaBank is the large domestic book that absorbed Bankia and much of the eastern savings-bank heritage. Sabadell remains an independent commercial name whose periodic combination rumours are a research context, not a completed fact on this page. Bankinter is the agile mid-tier that affluent and digital-curious samples still volunteer. Unicaja, Abanca, Kutxabank and Ibercaja are the surviving regional names that carry caja DNA without being CaixaBank. ING Spain is the foreign direct-bank control. Openbank is Santander’s digital-only brand and must be coded as its own experience. Cajamar is a cooperative-credit group. EVO Banco is another digital fascia. Deutsche Bank SAE is a foreign wholesale and affluent residual. The Fondo de Garantía de Depósitos is the deposit-protection prompt. Instituto de Crédito Oficial is the promotional bank on SME and public-programme files. BioNixus fields Madrid and Barcelona so a brief can tell a national group from a Catalan or Basque regional book.

Updated September 2026 · Banco de España — supervision of credit institutions and national central-bank functions as of September 2026 · 18 named accounts

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BdE

Banco de España — national prudential supervisor under the Single Supervisory Mechanism

FROB

Resolution authority that managed caja-era recapitalisations and still sits on the official map

Cajas

Savings-bank legacy now concentrated in CaixaBank and in surviving regional names such as Unicaja, Ibercaja and Kutxabank

FGD

Deposit-guarantee fund financed by Spanish credit institutions

Named accounts

Top banks in Spain

Public, well-known names BioNixus studies at account and SKU level. This is an editorial snapshot, not an endorsement or a market-share ranking. Cross-checked against Banco de España — supervision of credit institutions and national central-bank functions (as of 2026-09-05).

#	Company	HQ	Type	Segments	Notes
01	Banco Santander	Boadilla del Monte	Local	International Spanish group with a large domestic retail and commercial book	The global name foreign briefs already print; domestic work must still keep Openbank as a separate digital experience inside the same group.
02	BBVA	Bilbao	Local	Second internationally recognised Spanish group, strong in digital retail	Madrid and Basque interviews treat BBVA as a national commercial pole, not as a smaller Santander. App-led retail is part of the brand story.
03	CaixaBank	Valencia	Local	Large domestic group carrying Bankia and eastern caja heritage	Barcelona and eastern samples name CaixaBank as the local giant. Coding it only as “third Spanish bank” hides that regional gravity.
04	Banco Sabadell	Alicante	Local	Independent commercial bank with a Catalan and SME heritage	Barcelona SME interviews still volunteer Sabadell. Combination headlines are context for trust questions, not a reason to retire the brand from a 2026 map.
05	Bankinter	Madrid	Local	Mid-tier commercial and digital-curious retail bank	Affluent Madrid samples name Bankinter when the brief is service and agility rather than the largest balance sheet.
06	Unicaja Banco	Málaga	Regional	Andalusian-rooted bank from caja combinations, including Liberbank	Keeps the southern regional tier on the map so CaixaBank does not become the only caja-heritage dummy.
07	Abanca	A Coruña	Regional	Galician commercial bank built from caja and later acquisitions	North-west samples treat Abanca as the hometown book. A Madrid-only tracker will under-count it.
08	Kutxabank	Bilbao	Regional	Basque banking group with caja heritage	Bilbao fieldwork will correct a design that only prints BBVA as the Basque name. Kutxabank is the other local pole.
09	Ibercaja Banco	Zaragoza	Regional	Aragonese bank that remained independent through the caja years	The Ebro-valley regional name that stops the surviving-caja cell from being only Andalusia and the Basque Country.
10	ING Spain	Madrid	MNC	Dutch-owned direct bank for Spanish consumer deposits and mortgages	The foreign digital control. Households compare it with Openbank and Bankinter apps, not with a provincial caja lobby.
11	Openbank	Madrid	Operator	Santander’s digital-only bank brand	Code the experience separately. Customers who opened Openbank did not necessarily choose a Santander branch, and the mystery-shop path is different.
12	Cajamar	Almería	Operator	Cooperative-credit group with a South-East agricultural and SME book	Membership and agri-SME work in Andalusia and Murcia hit Cajamar before they hit a national advertising brand.
13	EVO Banco	Madrid	Operator	Digital retail fascia competing for nómina and mortgage switchers	A second Spanish digital cell beside Openbank so the app-first tier is not a single-brand dummy.
14	Deutsche Bank SAE	Madrid	MNC	German-owned Spanish bank for affluent and wholesale residual books	Not a mass nómina competitor. Included because affluent and corporate briefs in Madrid still meet the SAE entity.
15	Banco de España	Madrid	Government	National central bank and prudential supervisor under the SSM	Spanish filings start here. A significant group then adds an ECB joint supervisory team on top of the Cibeles desk.
16	FROB (Fondo de Reestructuración Ordenada Bancaria)	Madrid	Government	Resolution authority for credit institutions	Not a commercial bank. It belongs on the map because the caja-era consolidations that shortened this list ran through FROB.
17	Fondo de Garantía de Depósitos (FGD)	Madrid	Government	Deposit-guarantee fund for Spanish credit institutions	The trust prompt when a household is asked to move a nómina onto a digital brand they have never seen on a high street.
18	Instituto de Crédito Oficial (ICO)	Madrid	Government	State promotional bank for SME and public-programme facilities	Facilities are often sold through a commercial Hausbank. Omitting ICO hides the second signature on many SME files.

Primary research

These are the banks whose customers we survey in Spain

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How the market is structured

How a Spanish cuenta corriente sits after the caja consolidation

A salary in Spain still lands on a cuenta corriente that is often bundled with a nómina offer, a card, and sometimes an insurer sold from the same desk. The legal deposit-taker is a Banco de España-supervised credit institution; significant groups also answer to ECB teams. Households in Madrid may name Santander, BBVA, CaixaBank or Bankinter first. Households in Barcelona still name CaixaBank and Sabadell with a Catalan gravity that a Madrid-only sample will understate. Former caja regions keep Unicaja, Ibercaja, Kutxabank or Abanca as the local operating-account brand even when national advertising is dominated by the three large groups. Openbank and ING win the digital-first cell; treating Openbank as “just Santander” hides a distinct onboarding path. Cajamar keeps a cooperative membership story in the South-East. ICO programmes often arrive as a promotional facility sold through the Hausbank, the same pattern German briefs know from KfW, though the legal objects differ. FROB is not a commercial competitor; it is the resolution authority whose caja-era work still explains why the brand map is shorter than it was before the crisis. A card or SME launch that samples only Salamanca district offices in Madrid will miss the Catalan and Basque books that still sign the recibo.

Local

National Spanish groups: Santander, BBVA, CaixaBank, Sabadell and Bankinter — the names a Madrid corporate slide already carries.

Banco Santander
BBVA
CaixaBank
Banco Sabadell
Bankinter

Multinational

Foreign-parent books: ING Spain as the direct-bank control and Deutsche Bank SAE as the affluent and wholesale residual.

ING Spain
Deutsche Bank SAE

Regional

Surviving caja-heritage names outside the national three: Unicaja, Abanca, Kutxabank and Ibercaja.

Unicaja Banco
Abanca
Kutxabank
Ibercaja Banco

Islamic windows, digital banks & regulators

Digital and cooperative operators (Openbank, EVO, Cajamar) plus Banco de España, FROB, FGD and ICO as the official and promotional layer.

Openbank
Cajamar
EVO Banco
Banco de España
FROB (Fondo de Reestructuración Ordenada Bancaria)
Fondo de Garantía de Depósitos (FGD)
Instituto de Crédito Oficial (ICO)

Market structure

Madrid national groups versus Barcelona’s Catalan commercial set

Madrid weeks are national-group and official weeks: Santander, BBVA, Bankinter, Openbank, ING, Banco de España, FROB, FGD and ICO sit inside one city. First mentions in the Salamanca district will look like a national advertising reel. Barcelona weeks are CaixaBank and Sabadell weeks, with a Catalan commercial vocabulary that treats those two as local poles rather than as line items on a Madrid league slide.

BioNixus keeps the cities apart when the decision is a nómina product, an SME operating account or a digital challenge to a caja-heritage book. A pooled “Spanish urban” score will overstate national-group symmetry and understate the eastern books that still hold the recibo.

What is moving

What is moving banking in Spain

Caja concentration is the starting map

The brand list is shorter than a pre-crisis savings-bank map. Research that still samples vanished cajas will interview ghosts.

Madrid is not Barcelona

CaixaBank and Sabadell carry Catalan gravity that a Salamanca-district sample understates. Basque work must keep Kutxabank beside BBVA.

Digital brands inside and beside the groups

Openbank is Santander’s app-only path; ING and EVO are outside that group. Collapsing all three into “Spanish digital” hides ownership.

Resolution memory through FROB

Household trust language still references the caja years. FROB is the official name behind that memory even though it is not a high-street brand.

ICO facilities on SME files

Promotional credit often arrives as an ICO product sold by the Hausbank. A design that only names Santander or BBVA misses the second institution.

BioNixus fieldwork

How BioNixus studies banks in Spain

The accounts above are the ones our field teams and analysts work with. What a brand team typically commissions from us in Spain:

Madrid nómina and affluent interviews that keep Bankinter and Openbank apart from Santander branch paths.
Barcelona SME and household sessions that put CaixaBank and Sabadell on the first-mention list before any national advertising reel.
Basque and southern regional probes that test whether Kutxabank, Unicaja and Ibercaja appear without a prompt.
Deposit-trust conversations that ask households to name FGD before any digital-brand stimulus is shown.

Questions

Frequently Asked Questions

Who supervises Spanish banks — Banco de España or the ECB?

Banco de España leads national supervision. Once a group is significant, an ECB joint team joins the file. Say which desk the paperwork actually reaches.

What is FROB doing on a list of banks?

FROB is the resolution authority. The caja-era consolidations that produced today’s shorter brand map ran through it. Product lawyers still meet FROB on resolution questions.

Is Openbank a different bank from Santander?

It is Santander’s digital-only brand. Customers and mystery-shop paths treat it as a distinct onboarding experience. Code the experience separately even when the owner is the same.

Did the cajas disappear?

The old savings-bank map was concentrated. CaixaBank holds a large share of that heritage. Unicaja, Ibercaja, Kutxabank, Abanca and cooperative groups such as Cajamar are surviving regional names, not museum pieces.

What does BioNixus study among Spanish banks?

Nómina and SME interviews in Madrid and Barcelona; digital-cell work that keeps Openbank, ING and EVO apart; and regional sessions that put Kutxabank, Unicaja and Ibercaja back on the first-mention list.

Is the Spanish list a ranking by customer deposits?

Banco de España statistics already publish deposit stocks. This page is a post-caja account map — national groups, surviving regionals, digital brands, resolution and deposit protection. Function, not deposit share, sets the sequence.

Sources

Data sources & methodology

This directory aggregates publicly available company and channel facts — filings, brand sites, and BioNixus fieldwork in Spain. It is an editorial snapshot of the accounts we study, not a share ranking and not a substitute for NielsenIQ, IQVIA, or another syndicated feed.

Primary register: Banco de España — supervision of credit institutions and national central-bank functions, consulted 2026-09-05. Company classification (Local / MNC / Regional / islamic windows, digital banks & regulators) reflects ownership and role in Spain, not size.

Banco de España public materials on credit-institution supervision and the SSM
FROB resolution-authority materials; FGD deposit-guarantee explanations; ICO programme pages
Published reports of Santander, BBVA, CaixaBank, Sabadell, Bankinter and the named regional groups
BioNixus Spain retail, SME and digital-bank fieldwork in Madrid and Barcelona, 2023–2026

BioNixus sells account-level and SKU-level primary research that complements those subscriptions. For a scoped proposal, contact the team or use the form below. Email admin@bionixus.com.

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Banks in Spain

Top banks in Spain

These are the banks whose customers we survey in Spain

Planning research in Spain?

How a Spanish cuenta corriente sits after the caja consolidation

Local

Multinational

Regional

Islamic windows, digital banks & regulators

Madrid national groups versus Barcelona’s Catalan commercial set

What is moving banking in Spain

Caja concentration is the starting map

Madrid is not Barcelona

Digital brands inside and beside the groups

Resolution memory through FROB

ICO facilities on SME files

How BioNixus studies banks in Spain

Related research and directories

More company directories for Spain

Frequently Asked Questions

Data sources & methodology

Need customer and brand data on banks in Spain?

Planning research in Spain?