[3] Gannon started his builder activities in the 1980s in London while working for his father's construction firm.
[clarification needed] In 1988 through another firm – Noteworthy Limited – with partner Michael Anglim, Gannon planned to build 710 houses at Brackenstown close to Swords.
The Maple 10 besides Gerry Gannon include Jackson O'Sullivan, John McCabe, Paddy McKillen, Jerry Conlan, Joe O’Reilly, Patrick Kearney, Brian O’Farrell, Gerry Maguire and Sean Reilly.
[6][7] The Irish Director of Public Prosecutions (DPP) examines the file on Anglo's "Maple 10" deals.
[8] As reported by the Irish Independent newspapers on 20 February 2011, "a portfolio of properties worth about €12m was transferred into the name of developer Gerry Gannon's wife, Margaret, between 21 May and 10 December 2009".