Northern Ireland
Ranked by how readable each website is to a machine, using the WebScore Guru instrument. Part of the national roofers table.
| # | Company | Town | Score | Band |
|---|---|---|---|---|
| 1 | FIX RIGHT ROOFING & GUTTERING LTD fixright.co.uk | Londonderry | 88 | Machine-ready 2026-10-12 |
| 2 | RAFFERTY ROOF TRUSSES LTD www.raffertyrooftrusses.co.uk | Derry | 86 | Machine-ready 2026-09-07 |
| 3 | ROOFSCAPE LTD www.roofscapenwltd.co.uk | Wheathill | 86 | Machine-ready 2026-09-07 |
| 4 | RM ROOFING MAINTENANCE LTD rmroofing.co.uk | Limavady | 85 | Machine-ready 2026-09-07 |
| 5 | ANAMORE LTD anamore.co.uk | Omagh | 84 | Machine-ready 2026-09-07 |
| 6 | GO LOCAL ROOFING & GUTTERING LTD golocalinteractive.com | Coleraine | 83 | Machine-ready 2026-09-09 |
| 7 | RICHMOND ROOFING SERVICES LTD richmondroofingservices.co.uk | Larne | 82 | Machine-ready 2026-09-07 |
| 8 | SKYSHIELD ROOFING AND SERVICES LTD www.skyshieldroofing.com | Dungannon | 82 | Machine-ready 2026-09-10 |
| 9 | COSY ROOF (UK) LTD cosyroof.com | Downpatrick | 81 | Machine-ready 2026-09-07 |
| 10 | JK ROOFING N.I. LTD jkroofing.co.uk | Carrickfergus | 81 | Machine-ready 2026-09-09 |
| 11 | J. FERGUSON ROOFING CONTRACTORS LTD fergusonroofing.co.uk | Strabane | 80 | Machine-ready 2026-09-08 |
| 12 | LIGHTNING PROTECTION GROUP LTD omegaredgroup.com | Belfast | 80 | Machine-ready 2026-09-08 |
| 13 | JOHNSTON ROOFING LTD johnstonroofing.com | Belfast | 79 | Machine-ready 2026-09-10 |
| 14 | CMP ROOFING & BUILDING LTD cmproofing.com | Dungannon | 78 | Machine-ready 2026-09-09 |
| 15 | CRAIGSTOWN ROOFING & CLADDING LIMITED www.craigstownroofing.co.uk | Antrim | 78 | Machine-ready 2026-09-06 |
| 16 | QUINN BUILDING SUPPLIES LTD www.quinnbuildingsupplies.com | Dungannon | 78 | Machine-ready 2026-09-07 |
| 17 | STRATTON HOME IMPROVEMENTS LTD www.strattonhome.com | Newtownabbey | 77 | Machine-ready 2026-09-07 |
| 18 | TYRONE ROOFING CONTRACTS LIMITED www.tyroneroofing.co.uk | Omagh | 77 | Machine-ready 2026-09-10 |
| 19 | VALUE FOAM LTD www.valuefoam.ie | Newry | 77 | Machine-ready 2026-09-08 |
| 20 | W.G HODGEN LIMITED www.hodgen.co.uk | Belfast | 77 | Machine-ready 2026-09-06 |
| 21 | MID ULSTER PROPERTY SOLUTIONS LTD www.midulster.co.uk | Magherafelt | 76 | Machine-ready 2026-09-10 |
| 22 | PRESTON PROPERTY MAINTENANCE NI LIMITED www.prestonproperty.co.uk | Holywood | 76 | Machine-ready 2026-09-08 |
| 23 | ROOF TRUSS SOLUTIONS LIMITED www.rooftruss.com | Belfast | 76 | Machine-ready 2026-09-07 |
| 24 | CM SONS HOME IMPROVEMENTS LIMITED cmsonshomeimprovements.co.uk | Magherafelt | 74 | Partly readable 2026-09-10 |
| 25 | ONSLOW ROOFING & BUILDING SERVICES BELFAST LTD www.onslowroofing.co.uk | Belfast | 71 | Partly readable 2026-09-09 |
| 26 | S KNOX CONSTRUCTION SERVICES LIMITED knoxconstruction.com | Lisburn | 71 | Partly readable 2026-09-08 |
| 27 | FLAT ROOFING SERVICES LTD essexflatroofing.com | Ballycastle | 69 | Partly readable 2026-09-10 |
| 28 | OLYMPUS ROOFING SOLUTIONS LIMITED www.olympusroofingsolutions.co.uk | Newtownabbey | 69 | Partly readable 2026-09-07 |
| 29 | DELTA ROOFING (NI) LTD deltaroofingni.com | Crumlin | 68 | Partly readable 2026-09-07 |
| 30 | METWORKS ROOFING LTD www.metworksroofing.com | Cookstown | 68 | Partly readable 2026-09-09 |
| 31 | THORNTON ROOFING (IRELAND) LIMITED thorntonltd.com | Antrim | 68 | Partly readable 2026-09-06 |
| 32 | BELFAST ROOFING LTD www.prenticeroofing.co.uk | Belfast | 67 | Partly readable 2026-09-08 |
| 33 | RADIUS DEVELOPMENTS LTD radiusdevelopments.com | Ballymena | 67 | Partly readable 2026-09-07 |
| 34 | GARVEY CONTRACTS LTD www.garveycontracts.co.uk | Belfast | 66 | Partly readable 2026-09-09 |
| 35 | GH PROPERTY MAINTENANCE SERVICES LTD www.ghproperty.co.uk | Lisburn | 66 | Partly readable 2026-09-09 |
| 36 | MARK DAVIS ROOFING LTD www.markdavisroofing.com | Belfast | 66 | Partly readable 2026-09-09 |
| 37 | ROBINSON ROOFING LIMITED www.robinsonroofing.co.uk | Portadown | 66 | Partly readable 2026-09-07 |
| 38 | JC METAL ROOFING LTD jcmetalroofing.com | Magherafelt | 65 | Partly readable 2026-09-08 |
| 39 | EECO ENERGY LIMITED www.eecoenergy.com | Belfast | 64 | Partly readable 2026-09-09 |
| 40 | RIDGETOP ROOFING LTD ridgetop-roofing.com | Newtownards | 64 | Partly readable 2026-09-07 |
| 41 | GEORGE JOHNSTON ROOFING LIMITED www.georgejohnston.com | Belfast | 63 | Partly readable 2026-09-08 |
| 42 | JEFF BLAIR CONSTRUCTION LTD www.jeff-blair.co.uk | Portadown | 62 | Partly readable 2026-09-08 |
| 43 | JP TIMBER FRAMES LTD www.jptimber.co.uk | Derry | 61 | Partly readable 2026-09-07 |
| 44 | A&S ROOF REPAIRS LTD roofrepairs.uk | Belfast | 60 | Partly readable 2026-09-07 |
| 45 | DK ROOFING LTD www.dk-roofing.co.uk | Newry | 58 | Partly readable 2026-09-08 |
| 46 | GBS ROOFING LIMITED gbsroofing.co.uk | Antrim | 53 | Human-only 2026-09-07 |
| 47 | ZWECKER ENGINEERING LIMITED zweckerengineering.com | Armagh | 52 | Human-only 2026-09-09 |
| 48 | DOHERTY ROOFING COMPANY LTD dohertyroofing.co.uk | Bellaghy | 51 | Human-only 2026-09-08 |
| 49 | EDGELINE METAL ROOFING LIMITED edgelinemetal.com | Magherafelt | 49 | Human-only 2026-09-06 |
| 50 | HOUSTON ROOFING LIMITED houstonroofing.co.uk | Omagh | 49 | Human-only 2026-09-09 |
| 51 | ONE STEP INSULATION LIMITED onestepinsulation.co.uk | Ballyclare | 47 | Human-only 2026-09-07 |
| 52 | PARKMORE ROOFING LTD parkmoreroofing.co.uk | Magherafelt | 46 | Human-only 2026-09-08 |
| 53 | BLACK SHUCK ROOFING NI LTD cambridgedogs.wixsite.com | Enniskillen | 45 | Human-only 2026-09-10 |
| 54 | HAIRE BROS. (ADVANCED ROOFING) LIMITED hairebros.co.uk | Co Londonderry | 43 | Human-only 2026-09-06 |
| 55 | CCR ROOFING LTD ruggerolaw.com | Belfast | 40 | Human-only 2026-09-10 |
| 56 | JP CLEANING SPECIALISTS LTD jpcleaning.com | Dungannon | 39 | Human-only 2026-09-10 |
| 57 | K2 FACADES LTD k2facades.com | Antrim | 37 | Human-only 2026-09-09 |
| 58 | ROOFING & REPAIR CO LTD www.hugedomains.com | Magherafelt | 36 | Human-only 2026-09-09 |
| 59 | UNDERCOVER ROOFING SERVICES AND MAINTENANCE LTD www.hugedomains.com | Belfast | 36 | Human-only 2026-09-08 |
| 60 | A&J SCAFFOLDING SERVICES LIMITED scaffoldingservices.co.uk | Newtownards | 34 | Invisible to machines 2026-09-09 |
| 61 | MCCAVERY ROOFING LTD www.sedoparking.com | Dromore | 34 | Invisible to machines 2026-09-07 |
| 62 | APEX ROOFING & JOINERY LTD apex-roofing-joinery.com | Antrim | 29 | Invisible to machines 2026-09-10 |
| 63 | BRIGHT HORIZON GROUP LIMITED brighthorizongroup.co.uk | Craigavon | 29 | Invisible to machines 2026-09-10 |
| 64 | MULDOON FLAT ROOFING LTD muldoonflatroofing.com | Armagh | 29 | Invisible to machines 2026-09-10 |
| 65 | ROWAN ROOFING COMPANY LTD rowan-roofing.com | Belfast | 29 | Invisible to machines 2026-09-08 |
| 66 | SOLAR NRG LIMITED solar-nrg.com | Belfast | 28 | Invisible to machines 2026-09-09 |
| 67 | SEALMAX ROOFING LIMITED sealmaxroofing.com | Armagh | 26 | Invisible to machines 2026-09-07 |
| 68 | FMAC LIMITED fmac.com | Belfast | 24 | Invisible to machines 2026-09-10 |
| 69 | SOVEREIGN CONTRACTORS N.I. LTD www.sovereignroofing.co.uk | Belfast | 24 | Invisible to machines 2026-09-10 |
| 70 | MCCAUGHEY ROOFING LIMITED mccaugheyroofing.co.uk | Newtownbutler | 21 | Invisible to machines 2026-09-08 |
| 71 | RPD ROOFING LTD www.rpdroofing.com | Ballycastle | 21 | Invisible to machines 2026-09-11 |
Placed by registered office postcode, which is not always where the work happens. Counties with fewer than 3 scored websites appear here rather than on a page of their own.