Dennis specialises in aerial photography using fixed wing aircraft and helicopters. Operating out of Atlantic Flight Training Academy Cork Airport, Weston Airport Dublin and Abbeyshrule Aerodrome Longford, he covers the entire island of Ireland. He has also undertaken assignments in New York and Haiti.
Dennis also does aerial photo work for the corporate sector and his clients include: Cork City Council, Failte Ireland, AIB Group, PJ Hegarty & Son, Nangle & Niesen, Dublin Port Company, O’Callaghan Properties, JCD Group, Doyle Shipping Group and Cushman & Wakefield.
He has produced four books of aerial photography and is currently working on a fifth.