In 2011 Daniel Kindberg returned to the role as director of football and increased financial backing from local companies which enabled the hiring of more full-time staff.

In January 2014 the club announced that they had signed a half-billion kronor deal with the government of Libya to develop and educate Libyan football players.

[11] In 2017, they managed to win their first major trophy, Svenska Cupen, after defeating IFK Norrköping 4–1 in the final, also qualifying for the 2017–18 UEFA Europa League, marking their first appearance in a European competition tournament.

In their Europa League debut in the second qualifying round on 13 July 2017, Östersund earned a shock 2–0 over Turkish giants Galatasaray at the Jämtkraft Arena and eliminated them after a 1–1 draw in Istanbul.

Two goals by Saman Ghoddos in a win over PAOK on 24 August saw them qualify for the group stage at the first time of asking, at the same time making them the only Swedish representative in the season's UEFA competition and making Graham Potter the only British manager in the Europa League group stage.

[12] On 17 April 2018, club chairman (also the director of football) Daniel Kindberg was taken into custody by the Swedish Economic Crime Authority, suspected on probable cause of serious fraud and for assisting in serious gross accounting violations.

[15][16] Several years before, in 2014, Kindberg was subject to criticism when Östersundshem, the municipal housing company where he was the CEO, became a big sponsor of Östersunds FK.

[17][18] On 11 June 2018, Graham Potter left Östersunds FK to take over as manager of Swansea City after eight seasons in charge.

In the 2022 season, Östersunds FK managed to barely escape relegation from Superettan, the second tier of Swedish men's professional football.