His first appearance was in TV series Star Bestsellers in 199. He made his Bollywood debut with Rakeysh Omprakash Mehra’s Aks in 2001. He then made petty roles in few films like Lakshya, Dhol, It's Breaking New and Jannat. It was his role of Ransa Singh in the film Gulaal which brought him to the limelight. He was critically praised and two won himself an award. Following the year in 2010, he appeared in Ram Gopal Varma’s, Rakht Charitra. His role of Bukka Reddy was well received. Along with Hindi he also starred in some Telugu and Tamil language films. His Telugu venture Gabbar Singh became one of the highest grosser films of 2012. Till date, he has acted in some 40 films including Hindi, Tamil, and Telugu language films.
He is also a known figure in small screen. Vikraal Aur Gabraal, Sssshhh.Koi Hain, Bharat Ka Veer Putra – Maharana Pratap and Upanishad Ganga are some of the famous TV serials of which he has been a part of.
Abhimanyu Singh married Sargam Singh in 2008.