He played a leading role in the affairs of this, one of the city's most powerful guilds, for the next 38 years.
During his service at the court, he held the positions of purveyor and sergeant of the king's spices.
William Burton served four terms as a director of the Grocers' Company and at least three on the advisory board.
He was the owner of apartments and shops in the London parishes of St. Bride, Fleet Street, St. Mary Colechurch and St. Mildred in the Poultry.
He died between 10 March and 23 May 1438 and was buried in the church of the Friars Minor next to his second wife, Agnes.