He is most known for being a stand-up, making it to the finals of the BBC New Comedy Award in 2013[1] and being one of several Asian comedians to be featured on BBC's The Big Asian Stand-Up, as well as for his starring role as Joe Lycett's assistant on the Channel 4 consumer rights comedy show Joe Lycett's Got Your Back.
[3] Silcox moved to UK in 1990, and completed a PhD in Analytical Chemistry at Imperial College London.
In 2019, he was featured as Edwin Herbert, Baron Tangley in Jay Foreman and Paul Kendler's Unfinished London YouTube series.
[9] In 2020, Silcox played the role of Raj in “The Telethon”, a bonus level of the video game Not For Broadcast.
In 2023, Silcox featured in a minor supporting role in the music video "Eggerson Keaveney" by YouTuber Jazz Emu.