He was nominated for Pakistan's Lux Style Award in 2002 in the Best Actor category for the dramatic serial Zaib-un-Nisa, and again in 2004 for the serial Mendhi. The third time was the charm for Siddiqui when, in 2005, he was named Best Actor for his work in the dramatic serial Amer Bail at the TV One Awards.
Siddiqui got his first break as an actor in 1992 with a role in the dramatic serial Uroosa. He has also hosted televised award shows, late night shows and travelogues, and received the best host/anchor award for the game show Jadu Ka Chiragh (Aladdin's Magic Lamp) in 2003. He began his career as a model.
With an MBA degree in marketing, Siddiqui owns an outdoor advertising agency in Karachi as well as a men's salon. He lives in Karachi with his wife and daughter.