Ranked by Google ratings — updated 2026
ONCCE Limited
Magherafelt
Tir-con Engineering Ltd
Magherafelt
Aspire Property Management Solutions
Coleraine
Philip Dickson Builders
Magherafelt
KARA CONSTRUCTION
Londonderry
Tuohy Construction
Londonderry
Project One - Bespoke Modular Buildings
Derry
McKee ltd
Coleraine
AMC Developments
Coleraine
S. Thompson (contracts)
Londonderry
Lynch Builders
Londonderry
Maine Surface Finishing
Magherafelt
NORTHSTONE
Coleraine
Michael Donaghy Painting & Decorating
Londonderry
Troscà Artisan Interiors
Magherafelt
Seaview Developments
Magherafelt
HARKNESS RECLAMATION
Magherafelt
JP Timber Frames
Londonderry
North Coast Damp Proofing
Coleraine
L M C Drylining Ltd
Londonderry
South Derry Flooring - Terrazzo N. Ireland
Magherafelt
P Diamond Contracts
Magherafelt
Oceana Construction
Londonderry
CMS Demolition Campsie
Derry
DME Building & Maintenance Ltd.
Londonderry
ERM Engineering + Construction
Londonderry
T K Brolly Enterprises Ltd
Londonderry
Pavier Joinery
Londonderry
Tradeforce Services
Londonderry
SM Property Services
Londonderry
Passive house NI Ltd.
Londonderry
Mahon 7 Construction
Londonderry
Garden Room Sales is currently the top-rated construction & trades in Co. Derry, with 5.0 stars from 73 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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