He was responsible for much of the show's style and humour, along with Jeremy Clarkson, Richard Hammond and James May.

Wilman and Clarkson both attended Repton School along with Formula One designer Adrian Newey.

Wilman and Clarkson's company Bedder 6, which handled merchandise and international distribution for Top Gear, earned over £149m in revenue in 2012, prior to a restructuring that gave BBC Worldwide full control of the Top Gear rights.

[6] Wilman became the executive producer of The Grand Tour that he, Clarkson, Richard Hammond, and James May produced via their company W. Chump & Sons for release via Amazon Video to Amazon Prime customers.

The group closed the W. Chump production company, stating it was no longer necessary based on the amount of content being created.