After the defeat of BN to Pakatan Harapan (PH) in the 2018 general election, he resigned from UMNO in 2018 and joined BERSATU in 2019.
In May 2013, Azmi first contested to become an MP in the 13th Malaysian general election and subsequently won the Bagan Serai seat with a 1,140 majority.
[3] On 24 June 2018, following Barisan Nasional's spectacular fall from power in the aftermath of the 2018 Malaysian general election, Noor Azmi announced his resignation from United Malays National Organisation (UMNO) and became an independent.
[4] Following months of speculation, it was announced on 28 November 2018 that he has joined PPBM, one of component parties of the ruling Pakatan Harapan (PH) coalition together with four Senators.
He was involved in controversy event like violating MCO by having lunch together with around 30 people include Perak EXCO member Razman Zakaria, later both of them had apologized for their acts.