Home / Planning Consultants Directory Find a planner now. Please note that many of the planners listed will operate on an all-island basis; you may therefore find that results include more than one location. Go back to directory. Add to Address Book. Jacobs Engineering Jacobs Engineering Work Merrion House Merrion Road Leinster Dublin 4 D04 R2C5 IrelandworkWork Artola House 3rd and 4th Floors, 91-95 Victoria St Ulster Belfast BT1 4PB United Kingdomwork Home Phone: +353 (01) 269 5666home Home Phone: +44 28 9592 7100home Website: Jacobs Engineering Categories: Belfast, Dublin, Leinster, Northern Ireland, Ulster Updated 2 months ago.