New: Spanish Stocks on BUX Zero

BUX Zero launched in Spain this week, so we’ve added some Spanish stocks to the app! In this article, we’ll introduce 10 of them to you in more detail. You may have heard of a few because they are globally active and influential across Spain.


Aena operates the major domestic airports in Spain and is majority-owned by the state. The company also owns a stake in airports in Mexico, USA, Colombia and the UK.

Banco Santander

Founded in 1857 and still with us today. Banco Santander has become the largest bank in the country, with over 200,000 employees. The bank also has a significant presence abroad, particularly in Brazil, and is known all over the world with its flame logo.


CaixaBank is a Spanish financial giant with its origins in Barcelona. The company has 50,000 employees that take care of customers in more than 6,000 branch offices. Recently, the company merged with Bankia which made CaixaBank a fully global player in the financial world.


One of the largest energy suppliers in Spain, Endesa is based in Madrid. In 2006, the German energy giant E.ON tried to acquire Endesa, but it was turned down. They tried again a year later, but the idea was dropped entirely. Perhaps there will be an attempt from another company one day?


Ferrovial is a Spanish construction company mostly involved in transport infrastructure and urban services. It is headquartered in Madrid and operates in more than 25 countries around the world. Incidentally, Ferrovial is listed in the Spanish benchmark index IBEX 35, which includes 35 of the biggest Spanish companies.


Iberdrola is the 146th largest company in the world, according to a recent Forbes list. There’s also an offshoot of this energy company in Germany called Iberdrola Energie Deutschland GmbH. Interestingly, Iberdrola recently acquired a US company called Energy East.


If you’ve shopped at Zara, then you already know Inditex because it is the parent company! Inditex is a truly global company with a presence all over the world. Despite the occasional scandal over working conditions or alleged toxins in their clothing, Inditex’s continues to be one of the world’s biggest fashion manufacturers.


Repsol is an oil giant active in over 29 countries. It is one of the ten largest private oil companies in the world and produces several million barrels of crude oil per day. They also collaborate with car manufacturers who use Repsol oil and lubricants in their cars.

Siemens Gamesa Renewable Energy

Siemens Gamesa Renewable Energy is a subsidiary of Siemens Energy which, in turn, belongs to the Siemens group. It is the world’s second-largest manufacturer of wind turbines providing onshore and offshore wind services. Fun fact, the company is known for building the SG 10.0-193 wind turbine, one of the biggest ever made.


Telefónica is a Spanish telecoms company, and you might recognise one of its brands: O2. Based in Madrid, the company is the market leader in Spain and has a large presence in the UK, Germany and South America. Only Vodafone and two Chinese companies are bigger.

All views, opinions, and analyses in this article should not be read as personal investment advice and individual investors should make their own decisions or seek independent advice. This article has not been prepared in accordance with legal requirements designed to promote the independence of investment research and is considered a marketing communication.