Boris Cmiljanić

Budućnost Podgorica

After spending years in the club's youth system, Cmiljanić made his professional debut with Budućnost Podgorica at the age of 16. At the beginning of the 2013-14 season, he was sidelined for three months due to injury.

PSV

On 16 June 2014 it was announced that Cmiljanić signed with PSV Eindhoven on a three-year contract after several trials and negotiations. He made his professional debut as Jong PSV player in the second division on 9 August 2014 against Achilles '29. He replaced Elvio van Overbeek after 77 minutes in a 2–0 home win.

Huesca

On 4 July 2016, Cmiljanić signed a three-year contract with Spanish Segunda División side Huesca, as a free agent. He made his debut for the club on 20 August, in a 0–0 away draw against Alcorcón. On 15 January 2017, after appearing rarely, Cmiljanić was loaned to Segunda División B club Atlético Levante UD until June. On 14 September, he cut ties with the club.

Slovan

Admira Wacker

On 2 August 2019, he joined Austrian club Admira Wacker on loan with a purchase option.

Budućnost Podgorica

Montenegrin Cup: 2012–13 Slovan Bratislava

Slovak First Football League: 2018–19 Slovak Cup: 2017–18 Sarajevo

Bosnian Cup: 2021–2