The deal, the length of which was not said, names TLCBet as the official betting and gaming partner of the club.
Within the agreement, TLCBet will receive pitchside LED advertising exposure during games at Middlesbrough’s Riverside Stadium on match days.
TLCBet will also receive promotion on the club’s digital and social media channels, with supporters being given the chance to win match tickets and hospitality packages as part of the deal.
“In TLCBet we feel we have secured a partner that shares the same growing aspirations as the club and will help further enhance our growing reputation in Asia,” Middlesbrough’s head of partnerships Lee Fryett said.
TLCBet last sponsored a Premier League team in 2015-2016 as they sponsored West Bromwich Albion.