Prince Harry and Meghan Markle attend an official photocall to announce their engagement at The Sunken Gardens, Kensington Palace on November 27, 2017 in London, England

With the world still reeling from the news that Prince Harry and Meghan Markle are to step back from their roles as senior royals and seek "financial independence," CNBC looks at how the Sussexes could now make money.

The couple, who got married and received their royal titles in 2018, say they want to earn their own income but said that this was "prohibited" in their current roles as royals.