Jimmy Hogarth (born 1974, Orkney Islands, Scotland) is a London-based producer and songwriter, whose production and writing credits include, Amy Winehouse, Sia, Tom Grennan, Paolo Nutini, Duffy, Corinne Bailey Rae, Ren Harvieu, Estelle, Tina Turner, KT Tunstall, James Blunt, James Morrison, James Bay (singer), Maverick Sabre, Dermot Kennedy, In 2005, he was introduced to Welsh singer Duffy and went on to contribute four tracks, including the single "Warwick Avenue" to her five million selling debut album Rockferry.