Bellmont won event 7 on the 2022 PDC Challenge Tour series, defeating Karel Sedláček 5–4, winning in a deciding leg.

[5] In 2023 he represented Switzerland again at 2023 PDC World Cup of Darts, this time partnering Marcel Walpen.

During the year he qualified for two European Tour events, securing his first ever win on the stage against Robert Owen at the 2023 Belgian Darts Open.

On the Challenge Tour, Bellmont made the semi-finals of event 1, losing there to eventual winner Richie Burnett 5–3.

[10][11] He took part in the West Europe Qualifier for the 2025 PDC World Darts Championship on November 16, where he defeated Jimmy van Schie 7–6 in the final.