138 Bet sister sites include BetVision, Bob88, YoBet, Yabo Sports, 19Bet, and 12Bet.
138 Bet (138.co.uk) is part of The Gaming Platform, a firm registered with the UK's Gambling Commission under account number 38898. TGP Europe Limited operates 11 sister sites from its official address at 22A Castle Street, Douglas, IM1 2EZ, Isle of Man.