[4] Under Brazilian coach Alexandre Gama, The Beetles was victorious in the 2017 FA Cup Final with Bangkok United.

This proved to be a case of redemption for Chiangrai as winning the first piece of silverware in club-history, three days after losing to Muangthong United in the League Cup final.

[citation needed] Chiangrai defeated the 2017 Liga 1 runners-up Bali United 3–2 in a qualifying preliminary round 2 and losing the 2017 Chinese Super League to runners-up Shanghai SIPG 1–0 in a qualifying play-offs round for the AFC Champions League group stages.

[citation needed] In 2018 FA Cup Final, The Beetles weathered certain things Thai League 1 winners Buriram United could hurl at them at Supachalasai Stadium to record a 3–2 victory, a hat-trick by Bill.

In October 2019, after the announcement of the appointment of Ailton dos Santos Silva as the new head coach, The Beetles won the Thai League 1 for the first time.

However, they were declared the winners of the league on the basis of a better head-to-head record, Chiangrai held Buriram to a goalless draw away in the first leg in April then thrashed the northeastern giants 4 to nothing at home in July,[9] Chiangrai United is the third to win the top flight after Buriram and Muangthong since the country's premier tournament was revamped in 2009.

Instead of being burdened with keeping possession, they stifled opponents with a rehearsed repertoire of both defensive and pressing moves, topped off with lethal counter-attacks.