After four seasons he moved to Bigbank Tartu and won the Estonian Championship in 2014 and the Baltic League title in 2015.

He then moved to abroad and signed with Czech team ČEZ Karlovarsko.

Treial spent the 2018–19 season in Italy playing for VBC Mondovì alongside compatriot Kristo Kollo.

[2] He spent the 2020–21 season in France playing for Saint-Nazaire Volley-Ball and then signed with Belgian top team Greenyard Maaseik.

[3] After two seasons with Maaseik Treial moved to another Belgian powerhouse Knack Roeselare.