A trained Carnatic singer and harmonium player, C. Sathya made his debut in the Indian film industry with the 2011 romantic drama Engaeyum Eppothum, by composing its music and also sending his voice to few of its songs. Known for his work in the Tamil film industry, Sathya went on to bag several other projects after the success of his debut and was associated with movies such as Sevarkodi, Ponmaalai Pozhudhu, Theeya Velai Seiyyanum Kumaru. Ivan Veramathiri, and Kanchana 2, and has subsequently also been associated with these movies as a singer.

Among his other notable credits are Velainu Vandhutta Vellaikaaran, Unnodu Ka, Koditta Idangalai Nirappuga, Bayama Irukku, and Pakka.