Nicknamed "Heavy Metal", Searle has won 5 ranking PDC titles and was the runner-up at the 2021 Players Championship Finals.

In the 2020 season, Searle won his first Pro Tour title by beating world number one Michael van Gerwen 8–6 in the final of event 3.

Searle made his first appearance in a PDC major quarter-final at the 2021 World Grand Prix, following victories over Dimitri Van den Bergh and Luke Humphries.

[3] Searle hit a first televised nine-dart finish at the 2023 Grand Slam of Darts in a final group match victory over Nathan Rafferty.

On the 2024 PDC Pro Tour, Searle was runner-up in Players Championships 1 and 2, losing to Luke Littler 8–7 and Gary Anderson 8–5 in the respective finals.