There are no BFlush sister sites since its an independent online casino. Sites similar to BFlush include Bingosphere, Lucky8, Cresus Casino, Betshop, Lv Bet, and High Flyer Casino.
BFlush (bflush.co.uk) is part of Magentoware.com, a gambling firm registered with the UK's Gambling Commission under account number 54742. The company operates no other sister sites.