In 1980, A Sunday Times investigation revealed that he and his cousin Edmund were found to have paid just £10 in tax on the family business's £2.3m profit made by the Dewhurst chain.[9] He also gets a mention in Irish folk musician Damien Dempsey's song "Wave Hill Walk Off", on his 2016 album No Force on Earth.[4] He was Chancellor (1988–1991) and then Lord Prior (1991–2002) of the Most Venerable Order of the Hospital of St John of Jerusalem, having been appointed Bailiff Grand Cross (GCStJ) in 1987.From 1999 to 2018, Vestey served as Master of the Horse to the Sovereign of the United Kingdom,[13][14] Queen Elizabeth II, who appointed him Knight Commander of the Royal Victorian Order (KCVO) in the 2009 Birthday Honours.[15] The Queen promoted Vestey to Knight Grand Cross of the Royal Victorian Order (GCVO) in December 2018, on the occasion of him relinquishing his appointment as Master of the Horse.