When I first came to Spain, my impression of banks was all about the long queues just to open an account with an N.I.E. But after a recent chat with a friend, I discovered a whole other world beneath the surface: the vast realm of ‘private banking,’ dedicated to serving high-net-worth individuals. Out of curiosity, I did some digging, and what I found was surprising—this market is seriously big.
Essentially, the private banking sector in Spain is dominated by a few major domestic banks and some international giants. Among the local players, Santander and BBVA are like two titans whose positions are hard to challenge. Santander, in particular, grew even larger after acquiring the private banking business of Banco Popular. CaixaBank is also a heavy hitter, especially after absorbing Bankia, which significantly boosted its strength and put it in hot pursuit.

Besides these domestic giants, international banks like UBS, Credit Suisse, and some boutique investment banks also have a foothold in the Spanish market. They typically serve clients with larger asset scales and more international needs. However, in terms of overall size, the domestic banks still have a broader customer base.
Overview of Major Banks’ Assets Under Management
I’ve compiled some ranking data on Spanish private banking based on industry reports I’ve seen. The figures might vary slightly, but this gives a general picture of the landscape for Spanish private banking. Here’s a table so you can get a direct comparison of their scale:
| Bank | Assets Under Management (AUM) - Estimate | Market Position |
| Santander Private Banking | Over €130 billion | Clear leader |
| BBVA Patrimonios | Approx. €100 billion | Solidly in second |
| CaixaBank Banca Privada | Approx. €90 billion | Strong contender |
| Bankinter Banca Privada | Approx. €50 billion | Fourth place, growing fast |
| UBS | Approx. €30 billion | Leading international bank |
After seeing these numbers, my own savings feel like peanuts… haha. Of course, the entry barrier for private banking isn’t low, usually requiring several hundred thousand or even millions of euros in investable assets. Still, learning about this industry has been an eye-opener. I wonder if anyone on the forum has used private banking services? What was your experience like? Was it worth the money, or just ‘meh’?