Online casinos are powered by a number of software companies which give them licenses to run the games. In the past the industry was dominated by a handful of providers such as Microgaming, Playtech and Netent but in recent years there’s been a big increase in the number of smaller boutique slots developers such as Betsoft and Yggdrail, driven in part by tech developments such as HTML5 and consumer demand. We profile each software company below.