On 3 June 2019, Cousins joined Bromley for an undisclosed fee. He suffered a severe injury in the opening minute of Bromley's 3–1 defeat to Yeovil Town on 28 September, and made his return to action on 8 February 2020 in a 2–2 draw with Solihull Moors.
On June 3, 2019, Cousins joined Bromley for an undisclosed fee. He sustained a serious injury in the first minute of Bromley's 3-1 loss to Yeovil Town on September 28th and returned to play on February 8, 2020, in a 2-2 draw against Solihull Moors.