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Slots are widely popular among gambling lovers. There are thousands of slot machine types, and their number keeps increasing. But how to find a game that you don’t only enjoy but also make money on? Let’s dig into this question together.

Companies providing the gambling software directly influence how much time you spend on the game. An exciting plot, high-quality pictures and sound welcome you to dive into the process and enjoy it more. Bonus programmes and jackpots add diversity and thrill to a game.

90% of the slot machine market lies in the hands of fifteen world companies. Although their products are similar, each company has their own characteristic features which attract a player to a particular company.

Advantages of choosing the best producers


It’s easier for a client to find a suitable game if you know the distinctive features of a provider’s software. Very often, newcomers don’t pay any attention to a company name and spin reels just because they liked the picture. Experienced players know everything about gambling games providers and take that data into consideration when they choose slots.

Most of the companies are independent, they offer full cycle software services, including manufacturing slot machines for offline casinos. Some of them collaborate with others or use innovative technologies provided by famous developers. A great example is the Megaways engine created by Big Time Gaming. Such big businesses as NetEnt or Pragmatic Play use it in their products.

Top 10 Best slot machines manufacturers

Here you will find a list of the top 10 providers whose machines are chosen more often by players in online casinos. Gamers prefer them because of the variety of features, high payout percentage, and some gameplay peculiarities.


It’s a worldwide known brand famous for slot machines manufacturing. The company, founded in 1980, is situated in Austria.

When online platforms came into existence, the company digitised their products and launched them onto the virtual entertainment market. But later, it pulled the plug on collaborating with most of the platforms because a huge number of popular slots were faked. Now you can play its slots only on the official website or if a casino belongs to Novomatic.


The developer became famous after creating slots with 3D graphics. Each of them has its own bonus system. Video slots characters start moving after spins or during bonus events.

The company, founded in 1999, has launched more than 200 slots since then. In 2010 it took out the patent on its own feature so its characters could move while the reels were spinning.


This is an Estonian brand that was founded in 1999. The main advantage is its own gambling platform which is also used by many other online casinos. All games are networked.

The Playtech company’s popularity is due to a record-breaking payout percentage. For example, the RTP of a classic slot Ugga Bugga machine is 99.07%! The developer also offers table and card games with free demo versions.

International Game Technology

This famous company has produced slot machines since 1975. Its distinctive feature is a player reward system. You will find unique bonus options and bonus rounds in its video slots. There are more than 3700 projects for online and offline casinos in the company’s portfolio.

Play’n GO

The company has been creating the gaming software for over 15 years, and players are delighted to use it because of a really high payout percentage, creative plots and huge jackpots. There are more than 200 products and even an online gambling platform in the company’s portfolio.

There are lots of slots with jackpots and bonus features in the company’s collection of entertainments. The company has obtained licences in 5 jurisdictions and the certified software, which all together guarantees a fairly good attitude to a client.


This company is the leader in the market. It was founded in 1994 in the UK, and its platform is considered to be the best because of its functional features in the online gambling services market. The provider has launched more than 600 gambling games so far.

The most popular machines demonstrate a really high payout percentage. For example, the biggest jackpot ever was won on a Mega Moolah slot machine, and it was $18.9 million!


This well-known developer attracts gambling lovers with unusual plots and unique bonus features. The company has created one united jackpot network, and its annual payout is more than €14 million.

This software’s advantages are vivid animation, high RTP and really great bonuses for players. There are ‘Vikings Go Berzerk’ and ‘Joker Millions’ among the most popular slots. There are also roulette and blackjack in the company’s portfolio.


This Russian provider has launched a series of slots that were quite popular back in the time of the offline casinos’ boom. But now, the fans of this company’s production can use them online.

The developer stopped releasing software after gambling was banned in Russia in 2009. Although some of its slots still hold good positions among the most popular gambling entertainments online.


The brand has existed for 10 years on the market, and the number of its fans is steadily increasing. The products catch the attention of users with extra features and exciting plots. This company was the first to create a game that works with cryptocurrency.


A really popular company that is a true leader in the field of high-quality software for casinos. On its list of accomplishments, you will find its own gambling platform, first smartphone gambling adaptations and cooperation with leading platforms. The company is the best software developer for mobile platforms.

Recently the company has started releasing games for Live Casino and was the first to offer a free play in demo mode.

Developers with bad reputation


There aren’t any ‘black list’ developers at all. Some of them were denied the licence, others took part in jackpot scandals, but these cases are rare and don’t affect the brand’s overall popularity.

How to choose a slot machine

First, you should take into consideration your own preferences. Experienced users evaluate a lot of criteria to make money with slots. Usually, players try out a game online for free before betting real money.
It’s important to find a licenced casino that has popular providers as partners and offers you advantageous bonuses and a comfortable way to withdraw your money.


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Kristaps is an expert in the field of online casinos. Since the age of 20, he has been interested in casino games; poker and blackjack are his favorites. Thanks to his studies and work experience, he has found himself a gambling critic and analyst. He likes to share his own authentic experience with the audience, so his articles are very informative. Kristaps' lifelong dream is to participate in a poker tournament in Las Vegas.



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