PartyGaming Plc (lse: PRTY) is an online gambling company, best known for its online poker room PartyPoker.com. It is headquartered in Gibraltar and quoted on the London Stock Exchange. PartyGaming Plc was founded in 1997 with the launch of Starluck Casino. Prior to passage of anti-online gambling legislation by the U.S. Congress, PartyGaming Plc was the world's largest online poker brand (based on ring game revenue and number of players). Its market share has diminished since then but it remains the fourth largest online poker room in the world.

Early years

PartyGaming was founded in 1997PartyGaming: Our History as a network of gambling sites operated by Ruth Parasol in the Caribbean. The network eventually operated under an umbrella company called iGlobalMedia, which then changed its name to PartyGaming. PartyGaming's flagship site, PartyPoker.com, was launched in 2001. Its primary shareholders are Parasol, Group Operations Director Anurag Dikshit, Marketing Director Vikrant Bhargava (who joined the company in 1998 and 1999, respectively), and Russ DeLeon (Parasol's husband, Harvard attorney and serial entrepreneur).

In the 1990's, Las Vegas consultant and actuary Michael Shackleford ran a computer trial of the first blackjack and roulette games offered by the Company. Shackleford stated that the "results clearly showed they (the games) weren't fair". Ruth Parasol's spokesman Jon Mendelsohn acknowledged that the chances had "tipped too much toward the house", but attributed the problems to "software flaws", not rigging. It led to the development of their own proprietary software rather than using external platforms.

The IPO

The foursome sold over 23% of their combined shares to take the company public on the London Stock Exchange in June 2005. The initial offer price of 116p valued the company at £4.64 billion ($8.46 billion). Within a month the share price rose to make the value of the company exceed twelve billion dollars. In early September 2005 a cautious statement about future growth prospects saw the shares fall by a third in a day, but the same week the company was promoted to the FTSE 100 Index. By the end of November 2005 the stock had regained its original IPO value. During the IPO, no new shares of PartyGaming were issued, and the company did not receive any additional capital as a result. Rather, shares merely changed hands with the four shareholders reducing their shares to benefit employees.

Post IPO

Dikshit and Bhargava stepped down from the company's board in May 2006. Dikshit announced that he would remain with the company as the Chief Operating Officer; Bhargava would continue as an advisor and shareholder of the company while pursuing other business interests.

In February 2006 PartyGaming introduced a new integrated platform, enabling multiple games to be played without requiring customers to log in each time and deposit funds in separate accounts. An online backgammon site, PartyGammon.com, was launched in mid-2006. In August 2006 PartyGaming acquired Antigua and Barbuda registered sports betting operator Gamebookers which focuses on the European market.