When you first arrive in Spain, one of the biggest headaches is choosing a bank to open an account. With logos for Santander, BBVA, CaixaBank, and more on every street, it’s easy to get overwhelmed. Which one is the best? I’ve recently looked into this and put together a guide to the latest rankings of Spain’s major banks, along with some personal insights. I hope this helps anyone struggling to decide.
How to Choose a Bank? Start with Size and Strength
When choosing a bank, security is obviously the top priority. Generally, larger banks have a stronger ability to withstand risk and offer more comprehensive services and products. We can assess their strength by looking at two key metrics: total assets and the number of branches.

Currently, Santander and BBVA are undoubtedly giants not just in Spain but globally, with immense financial strength and extensive international operations. After acquiring Bankia, CaixaBank became the bank with the most branches in Spain, offering extremely wide coverage and making in-person banking very convenient.
A Comparison of Major Banks
I’ve compiled a simple table for a direct comparison. The data is based on public reports from late 2023 to early 2024, such as those covering Spanish digital banks:
| Bank Name | Total Assets (2023) | Branches in Spain | Key Features |
| Santander | Approx. €1.8 trillion | Approx. 1,900 | Most international, strong global presence |
| BBVA | Approx. €775 billion | Approx. 1,800 | Leader in digital services, great app experience |
| CaixaBank | Approx. €610 billion | Approx. 4,500 | King of branches in Spain, number one in coverage |
| Sabadell | Approx. €235 billion | Approx. 1,200 | Friendly for businesses and self-employed |
| Bankinter | Approx. €110 billion | Approx. 450 | Focuses on high-end clients, premium service |
Personal Experience and Recommendations
Data is static, but your needs are personal. Beyond the rankings, the most important thing is finding which bank is the right fit for you. For example, if you’re a student or a young professional, you’ll likely prioritize online accounts with no maintenance fees and a user-friendly app. In that case, BBVA’s ‘Cuenta Online Sin Comisiones’ or Santander’s ‘Smart Account’ are excellent choices. If you frequently need to visit a branch for in-person service, or if you live in a smaller town, then CaixaBank, with its vast network of branches, is probably your best bet. Its digital-only subsidiary, ImaginBank, is also very popular among young people and is completely free.
I personally use BBVA, mainly because its app is exceptionally well-designed. Transfers, checking statements, and setting up Bizum are all seamless. Almost everything can be managed from your phone, so I rarely need to visit a branch. However, I’ve heard from some friends that BBVA can be quite strict when screening applications from foreigners. Santander’s services are also highly recommended; as a major bank, it feels very reliable, though the conditions for commission-free accounts can sometimes be a bit more complex. In summary, there is no single best bank, only the one that is best for you. I recommend visiting the official websites to check the specific terms and conditions of different accounts before opening one, especially the details on maintenance fees, to avoid any pitfalls!