He is best known for his 2014 appearance on the BBC Two business programme Dragons' Den, where he became the youngest and most successful entrepreneur to win investment[1] when he secured £80,000 from Deborah Meaden for his plasterboard fixing invention.

[clarification needed] The fixing was soon successful in mounting a television on the wall, and Daykin spotted a gap in the market.

[10] In July 2019, Daykin resigned as a director of UK Building Products Limited and left the company.

[13] Daykin acted as CEO of VPS between January 2018 and November 2018, before control was returned to his father and the company underwent compulsory liquidation the following month.

On 28 February 2016, he appeared on the BBC Two programme Pitches to Riches which looked at Dragons' Den's biggest success stories.