In 2005, he had composed songs for more than ten films including "Aashiq Banaya Apne", "Maine Pyaar Kyun Kiya?". He started his career as a playback singer with the song Aashiq Banaya Aapne which was his first song as a singer, earned him numerous awards for best playback singer, including Filmfare Awards, IIFA Awards, Zee Cine Awards. He also earned several nomination for Best Music direction for the album also. As a singer, he has multiple popular songs such as "Aashiq Banaya Aapne", "Tera Suroor", "Zara Jhoom Jhoom", "Jhalak Dikhlaja", "Andaz Apna Apna", "Afsana", "Shakalaka Boom Boom", "Meri Awaargi", "Hookah Bar", "Chalao Na Naino Se", and "Tandoori Nights". Reshammiya's music has a style of composition based on a fusion of Western and Indian classical music, Western and Indian Rock music accompanied by techno beats. He started his acting career with his debut film, "Aap Kaa Surroor". Reshammiya was the first Indian singer to perform at the Wembley Arena and the Heineken music hall in Amsterdam. Reshammiya was actively involved in mentoring and judging the singing competition, "Sa Re Ga Ma Pa Challenge" on Zee TV. His group was known as "Jai Mata Di Let's Rock Gharana". He was the winning mentor of the show in 2007. In 2009, Vaishali Mhade, a female contestant from his "Jai Mata Di Let's Rock Gharana", won the singing competition. He is also the team captain, judge and mentor on Star Plus's show, "Music Ka Maha Muqqabla" for the team Himesh's Warriors. Reshammiya was also the judge of the musical reality show "Sur Kshetra", which was telecasted on Sahara One. Reshammiya appeared as the special guest in the Grand Finale of "Jo Jeeta Wohi Superstar" 2, where he also trained the top four contestants. On 4 November 2013, it was announced that Reshammiya will be acting and producing a movie named "The Xposé". In April 2019 It was confirmed that Himesh Reshammiya will be back on-screen with the film Namastey Rome, the film which is apparently a sequel of the "Namastey London" and "Namastey England" film series.