Of these 1.7 million customers, over 8.5 million customer visits occur every year. Grosvenor Casinos is owned by The Rank Group who operate exclusively in the casino, bingo and online gaming industries across Belgium, Spain and the UK.Īs of June 2014, revenue was reported at £391.2m, with an operating profit of £56.8m - coming from a total of over 1.7 million customers per year. Established in 1970, Grosvenor Casinos (formerly County Clubs and Grosvenor Clubs) is a UK-based chain of 53 casinos located in major towns and cities across the UK, with two unbranded sister casinos located in Belgium.