Llompart made his debut at Liga ACB on 9 October 2003, with Pamesa Valencia, playing 53 seconds in the defeat against Adecco Estudiantes by 76–78.

[1] He was loaned several seasons to teams of the LEB Oro until he left Pamesa Valencia on 2007 for signing with Tenerife Baloncesto.

[2] Llompart came back to Liga ACB on 2009, after promoting from LEB Oro with Lucentum Alicante.

He played in the team of the Valencian Community until 2012, when Lucentum Alicante is relegated by its financial trouble and he signs with CAI Zaragoza.

[5] On 22 November 2017 Llompart signed a two-month deal with the Italian basketball club Pallacanestro Reggiana.