Ranked by Google ratings — updated 2026
Healy McKeown Architects
Coleraine
McGurk Architects Ltd
Magherafelt
Canavan Associates Ltd
Londonderry
Hamilton Architects
Londonderry
McGarry Moon Architects Ltd
Coleraine
Manor Architects
Magherafelt
Montgomery Irwin Architects
Coleraine
G M Design Associates
Coleraine
PDCA Engineering Solutions Ltd
Magherafelt
Studio 10 Architects
Londonderry
KH Chartered Engineers
Londonderry
Studiorogers Architects Ltd
Coleraine
Valley Architects
Limavady
Kieran Madden Architect
Coleraine
Kevin G.P. Kelly & Co. Ltd.
Londonderry
Caldwell Consulting
Magherafelt
Joule Group
Londonderry
D M Kearney Design
Maghera
OJQ Architecture
Coleraine
Vision Design Architecture
Magherafelt
Ward Design
Magherafelt
Gerry Loughrey
Londonderry
McCartan Muldoon Architects
Magherafelt
Fullerton Design
Magherafelt
Power 2 Business
Londonderry
Kerr Edward
Londonderry
K w G
Londonderry
Foyle & Marine Dredging
Londonderry
F M Corr & Associates
Londonderry
CivCo
Coleraine
Econ Contracts
Magherafelt
Paul Moran Architect
Magherafelt
Newline Architects
Magherafelt
Mullarkey Pedersen Architects
Londonderry
John Kearney Architecture
Magherafelt
C-Tec is currently the top-rated architecture & engineering in Co. Derry, with 4.9 stars from 19 Google ratings. See the full ranked list above.
Businesses are ranked by average customer rating, then by how many ratings they have. We use reviews left on LocallyIrish.ie where a business has them, and otherwise its Google rating, which is shown and labelled on each entry.
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