Ranvir Singh joined BBC Radio Lancashire in 2002, initially on work experience before being given a six-month contract. She then moved to BBC GMR, covering the 2002 Commonwealth Games in Manchester.
Ranvir Singh joined the BBC North West regional news programme North West Tonight in 2005 as a journalist and bulletin presenter. Her first national presenting role came in April 2006 when she co-presented a live BBC Three play on Good Friday, Manchester Passion, which retold the last hours of Jesus Christ.
On 10 September 2007, Ranvir Singh joined long serving presenter Gordon Burns as the main co-presenter on BBC North West Tonight. Former BBC South Today sports editor Roger Johnson became Singh’s co-presenter in October 2011 following Burns’ departure. While working on North West Tonight, Ranvir Singh was also a cover presenter for late night and weekend breakfast shows on BBC Radio 5 Live.
Ranvir Singh went on maternity leave from North West Tonight on 18 May 2012. It was later announced that she would not be returning to the BBC but would be joining the ITV Breakfast programme Daybreak. She made her first appearance on Daybreak on 3 September 2012.
In 2012, Ranvir Singh occasionally reviewed the newspapers with Matt Barbet on This Morning. On 16 May 2014, Ranvir Singh joined Good Morning Britain as a features correspondent and news presenter with Susanna Reid, Sean Fletcher, Ben Shephard and Charlotte Hawkins.
Since May 2014, Singh has been a relief newscaster on various ITV News bulletins. On 25 September 2014, Singh joined the factual ITV programme Tonight as a reporter. Since March 2015, she has guest presented a number of Exposure specials. Since July 2015, Ranvir Singh has presented her own primetime series for ITV called Real Stories with Ranvir Singh. A second series of the show will be broadcast in 2016.