Caesars Interactive Entertainment (CIE) is an online gaming company based in the United States. It is a subsidiary of Caesars Entertainment Corporation, one of the largest casino and entertainment companies in the world. CIE was founded in 2009 with the aim of bringing the Caesars brand into the growing online gaming market.

Its headquarters are in Las Vegas, Nevada, where it operates from the iconic Caesars Palace. The company also has offices in California, New Jersey, and the United Kingdom. CIE's main products and services include online casino gaming, poker, and sports betting.

The company operates several online platforms, including the World Series of Poker (WSOP) online, Caesars Casino online, and Harrah's Casino online. These platforms offer a wide range of games for players to enjoy, from slots and table games to live dealer experiences. On a global scale, CIE has formed several partnerships and joint ventures to expand its reach.

Notably, it partnered with 888 Holdings to launch Caesars Casino online in the United Kingdom. It also entered into a joint venture with Caesars Korea Development Co., Ltd. CIE holds a strong market position in the online gaming industry, particularly in the United States.

Its brands are well-known and trusted by players, and it has a large customer base. In terms of global sales, CIE generated over $377 million in revenue in 2020. Over the years, CIE has achieved several milestones and made significant changes to its strategy and product lineup.

In 2013, it launched the WSOP. com online platform, which became the exclusive online provider for the World Series of Poker. In 2019, CIE expanded its online casino offerings by partnering with NetEnt, a leading software provider.

Currently, Caesars Interactive Entertainment operates as a major player in the online gaming industry. It continues to innovate and expand its product offerings to meet the demands of its global customer base