The Most Advanced Slot Casinos in Spanish iGaming

According to recent data, online slots have been a large contributor to the increase in Spanish gambling revenue.

The Most Advanced Slot Casinos in Spanish iGaming
The Most Advanced Slot Casinos in Spanish iGaming

Spanish iGaming is on an upward trajectory with regards to revenue and player registrations, with the post-pandemic industry in a healthy shape. In fact, gross gaming revenue (GGR) reached €216.0m in the second quarter of 2021.  

According to recent data, online slots have been a large contributor to the increase in Spanish gambling revenue. But, which are the most advanced? If you are looking to form a partnership with an online casino brand, you will understandably want to know the answer to this. 

Below, the most advanced and innovative slot casinos in Spanish iGaming are profiled.


Betsson is an operator that has a great reputation throughout Europe. In Spain, the brand has been issued with a licence from the Directorate General for the Regulation of Gambling, making it a fully legal Spanish gambling business. Although a staple name in Spanish sports betting, Betsson is also a top-level online slots casino. The platform sources its games from leading suppliers including NetEnt, MGA and Playtech, meaning sought after titles are readily available to players of Betsson. The average RTP of the games at Betson are 95%, which is one of the many reasons Spanish players flock to Betsson Casino.

Other advantages to the site include its flawless navigation, game variety and a long list of free spin promotions. 

Genesis Casino 

It's true that many online casinos boast the same themes, designs and experiences, often leaving players unengaged and seeking more exciting alternatives. When looking at Genesis Casino, it's easy to see that this is an innovative brand that is eager to stand out. Working with space themes through its design, written content and promotions, Genesis Casino stands out for all the right reasons. 

The casino brand was formed in 2018 and has since expanded to many European markets. Microgaming, NetEnt, Play’n GO, Nyx Interactive, Quickspin and Evolution Gaming are just some of the development houses Genesis Casino sources its titles from.  


LeoVegas is an operator with a great reputation in the Spanish gaming community. The brand entered the Spanish market after being granted a licence in 2019. As well as featuring leading and unique slot titles, LeoVegas is also passionate about the protection of players' personal and financial data. For this reason, the brand uses 128-bit SSL encryption technology, making it one of the safest casino sites in Spain. 

Players can also make use of a number of both standard and new-age payment methods when playing slot games on this casino. These include MasterCard, Neteller, Visa, Skrill, Trustly and several more.

William Hill

William Hill is an industry giant, possessing a top position in the international gambling industry. In the Spanish market, William Hill is arguably best known for its strong catalogue of casino games, particularly online slots. With a host of both exclusive and popular titles, William Hill boasts the ability to cater to all casino players. 

Through the use of progressive igaming technology, William Hill can provide players with a seamless service with each visit. From its responsive design to its dedicated apps and engaging content, players cannot go far wrong when registering with William Hill. 

Pokerstars Casino

Think that Pokerstars is just for poker games? Think again! In recent years, Pokerstars has expanded its offering to include progressive slots, with its slots library comprising everything from traditional fruit-themed slots to game show-themed slots and more! 

The casino brand has joined forces with the likes of NetEnt, Quickspin or Amaya to compete with its ever-growing number of rivals in the Spanish casino industry. 

Find the best Spanish slot casinos on Slot Java 

If you are researching the best slot casinos operating in Spain, head over to is an online portal where users can compare and research slot casinos and new releases for free. On the site, users can also access in-depth content on responsible gambling, how to play slots and impartial service reviews. 

Powered by Froala Editor

igaming news
slots news
casino news
online slots
Spanish casino