In the 2019 General Election, Quigley stood as the Labour candidate for the Isle of Wight constituency, coming second with 18,078 votes.[6] On 4 July 2024, he was elected Member of Parliament (MP) for Isle of Wight West with 13,240 votes and a majority of 3,177.[7] This was the first time that the Isle of Wight had elected a Labour MP.[8]
Quigley pledged to reform and regulate ferry operators serving the Isle of Wight, saying "Ownership needs to be taken away from the roulette wheel of private equity. A new referral to the competition and markets authority is needed."[9]