Colm began singing in internationally touring Irish choirs at the very early age. He got scholarship from singing at University College Dublin and graduated with honors Bachelor degree in music. He was the lead soloist with the Palestrina choir which was under the direction of O'Donovan. He then joined Piccolo Lasso Choir and Habemus Chamber choir where he recorded a lot of CDs and successfully took part in European tour and performed lead soloist. The singer recently got married with his girlfriend Laura Durrant after having affair for quite a lot of time. The couple looked happy together. They were living together at Glasgow where Colm was enrolled in University for the post Graduate degree. It is difficult to find out the actual net worth of the singer but it is believed his net worth has significantly increased in 2016 and estimated in the range of $40 million.