1win is a young offshore sports betting company. In 2016 there was FirstBet betting company, but it was not popular and tarnished its reputation with scandals with payouts of winnings. The bookmaker changed its name and since 2018 operates as BK 1win. The company offers users from Azerbaijan the largest bonus among other offices, as well as an affiliate program. The company is advertised by the private players, betting resources and sports portals.