Construction companies in Northern Ireland

951 construction companies across Northern Ireland.

Clad Fix Contracts Lisburn · Curtain walling · 1-9 employees
Specialist curtain walling and rainscreen cladding installation company with over 25 years' experience. Operating across the UK, Ireland, and The Neth
Clarengate Newtownards · Fit-out & interiors
Clarengate provides business due diligence services, assembling evidence, connecting ownership, directors, and relationships to create a precise compa
Clarke Electrical Contractors (N.I.) Ltd Newry · Electrical
Clarke Electrical Contractors (NI) Limited offers top-quality electrical services, ensuring safety and efficiency in every project. Experienced profes
Classique Fireplaces Carrickfergus · Fire protection
Classique Fireplaces offers a wide range of exquisite fireplaces, stoves, and fires, providing expert guidance and installation services. Visit our sh
Claudy Parish Community Group Claudy · Property developer
Claudy Parish is a community group serving the parishes of Claudy and Craigbane, providing information on mass times, news, and parish activities.
Clog Construction Ltd Coalisland · Main contractor · 1-9 employees
Clog Construction Ltd is a well-established building contractor in Dungannon, County Tyrone with 10 years of experience. We offer professional service
Clogher Valley Guttering Ltd Augher · Roofing
Family run guttering, fascia and soffit specialists with over 30 years of experience in roofline installations and repairs across Northern Ireland.
Clonrose Developments Ltd Belfast · Property developer
Specialists in Brownfield Regeneration for mixed use property development throughout the UK & Ireland.
Cm Fit-Out Ltd Belfast · Fit-out & interiors
CM Fit-Out are construction & joinery fit-out specialists based in Larne, Belfast and serving all over Northern Ireland & further afield.
Cm Steel Ltd Dungannon · Steel fabrication
CM STEEL LTD offers expert steel fabrication, erection, and cladding services with 10 years of experience. Specialising in agricultural, domestic, and
Cmc Surfacing & Groundwork Ltd Castlewellan · Road surfacing
CMC Surfacing And Groundwork offers expert surfacing and groundwork services in Belfast and Northern Ireland. Get a free quote today from our family-r
Cmk Mechanical Services Ltd Dungannon · Heating & ventilation · 1-9 employees
CMK Mechanical Services Ltd are leading mechanical contractors delivering high quality, innovative projects within strict timeframes and budgets.
Cmp Roofing & Building Ltd Dungannon · Roofing
Based in Dungannon, CMP Roofing & Building Ltd. is your trusted partner for all roofing, general building, landscaping, and groundworks needs.
Cole Groundworks Contracts Ltd Newry · Civil engineering · 1-9 employees
Cole Groundworks Contracts Ltd is a leading civil engineering and groundwork contractor operating across the UK and Ireland, established in 2005. They
Colin Bradley Contracts Ltd Bangor · Groundworks
Groundworks Contractor Colin Bradley Contracts with over 25 years' experience in the industry offering a range of construction services.
Colton Contracts Ltd Co Tyrone · Civil engineering · 1-9 employees
Colton Contracts specialises in Civil Engineering, groundworks, and drainage systems, offering services across the UK and Ireland.
Commercial Connections Ltd Downpatrick · Insulation · 1-9 employees
Acoustic consultancy, soundproofing, acoustic panels and products, provided by our accredited acoustic consultants to Belfast, Northern Ireland, and I
Concrete Cut N Core Ltd Newry · Concrete works
Concrete Cut N' Core offer specialist commercial services in Northern and Southern Ireland, including core drilling, concrete cutting, controlled demo
Concrete Plus Construction Omagh · Concrete works
Concrete Plus Construction are a specialist company in all aspects of concrete works and flooring. Established 1991, we offer a range of specialist co
Connolly & Fee Ltd Dungannon · Main contractor · 10-49 employees
Connolly & Fee is an award-winning building and civil engineering contractor in Northern Ireland, delivering high quality, sustainable projects across
Construction Joints Ltd Dargan Crescent · Concrete works · 10-49 employees
Specialist concrete sawing, coring, crack stitching, waterproofing, jointing and concrete repairs. Over 40 years experience serving the construction a
Construction Junction Ltd Bangor · Refurbishment
Construction Junction offers building, renovation, and maintenance services across Northern Ireland, focusing on quality and customer satisfaction.
Construction Services Ireland Ltd Craigavon · Property developer · 1-9 employees
Construction Services Ireland Ltd is a property developer company based in Craigavon, registered at Companies House in 2010.
Convery Ceilings Ltd Newry · Suspended ceilings
Convery Ceilings are specialists in the design and installation of suspended ceilings, MF ceilings, dry lining, and glass partitioning. Established in
Convey Engineering Services Ltd Enniskillen · Insulation · 1-9 employees
Mechatronics and Automation service and repair company specialising in the Medical Devices sector. Nationwide service available.
Conwell Contracts (UK) Ltd Enniskillen · Civil engineering · 10-49 employees
Discover over 25 years of expertise in trenchless technology with Conwell Contracts, trusted for innovative civil engineering and reliable solutions a
Cooltech Refrigeration (Ni) Ltd Newry · Air conditioning
Cooltech Refrigeration is a family-run business in Newry, Co. Down, offering prompt & professional refrigeration and air conditioning services to comm
Coredale Management Ltd Newry · Property developer
Coredale Management brings together experienced property investors and the complete development team, including consultants, architects, engineers, an
Corey Concrete Flooring Ltd Cookstown · Concrete works
Corey Concrete Flooring Ltd: Family-run concrete specialists in Cookstown with 50+ years' experience in industrial and polished concrete flooring acro
Corra Contracts Ltd Omagh · Main contractor
Corra Contracts is a family-run construction business established in 2008, offering 40 years of industry experience. We deliver high-quality residenti
Corramore Construction Ltd Magherafelt · Main contractor
Reimagining spaces & places with an ambition to build better. Corramore Construction is a Northern Ireland-based company.
Cosy Insulation Downpatrick · Insulation · 1-9 employees
CosyInsulation is the UK and Ireland's leading spray foam insulation installer for homes, businesses and farms. Save up to 50% on heating bills.
Cosy Solar Downpatrick · Solar PV
Powering sustainable living with Cosy Solar. Invest in a lifetime of powerful, sustainable energy generation to reduce bills and environmental impact.
CosyRoof Downpatrick · Roofing · 1-9 employees
CosyRoof are the UK and Ireland's leading conservatory roof conversion specialists, transforming conservatories into usable living spaces all year rou
Craigview Utilities Ltd. (BUILDERS) Londonderry · Utilities
Craigview Utilities Ltd is a family-run construction business with a strong reputation for reliability, quality, and trust. They serve public and priv
Crana Concrete Flooring Ltd Londonderry · Concrete works
Crana Concrete Flooring Ltd specialises in power-floated concrete floors, offering sand & cement screed and liquid flowing screed services across the
Crievemore Generators Dungannon · Electrical · 10-49 employees
Crievemore Generators: Specialists in Generator Manufacturing & Repairs. Bespoke build generators are our speciality, providing the best power solutio
Crofton Interiors Belfast · Fit-out & interiors · 10-49 employees
High-end interior fitout and refurbishment services, delivering exceptional spaces across the UK and Ireland.
Crosby Windows (Ni) Ltd Belfast · Glazing
Crosby Windows, based in Belfast, offers expert double glazing installation services across Northern Ireland. Specialising in windows, doors, conserva
Crossfire Specialist Contracts Ltd Maghera · Fire protection · 10-49 employees
Crossfire Specialist Contracts Ltd offers passive fire protection solutions in Ireland, prioritizing safety and compliance with expert solutions for v
Crown Infrastructure Belfast · Electrical · 1-9 employees
Crown Infrastructure designs, installs and maintains resilient network connectivity infrastructure for commercial buildings, campuses and mission crit
Cryotanks Ltd Belfast · Utilities · 1-9 employees
The largest independent cryogenic liquid gas & tank provider in the UK. Specialising in rental, supply, installation, and maintenance of cryogenic ves
Cs Block Work Ltd Enniskillen · Property developer
Cs Block Work Ltd is a property developer company based in Enniskillen, registered at Companies House in 2026.
Csl Flooring Ltd Belfast · Flooring
CSL Flooring Ltd is a family-run flooring company in Northern Ireland with over 32 years of experience, offering bespoke services for schools, hospita
Cullen Contracts and Hire Ltd Lisburn · Demolition
Cullen Contracts and Hire Ltd offers a wide range of services including portable toilet hire for events and sites, waste services, and demolition work
Curran Contracts Ltd Armagh · Concrete works
Curran Contracts Ltd is a concrete works company based in Armagh, registered at Companies House in 2005.
Curran Sports Grounds Armagh · Civil engineering · 1-9 employees
Curran Sports Grounds specialises in sports ground construction, renovation, and maintenance. Offering bespoke packages from new pitches to maintenanc
Curve Training Lisburn · Rail infrastructure · 1-9 employees
Curve Training & Consultancy offers railway safety training, mentoring, and assessments in Northern Ireland to ensure compliance and workforce readine
Cush & Mccourt Ltd Co.Tyrone · Carpentry & joinery · 1-9 employees
Northern Ireland's premier labour only joinery sub-contractors, specialising in commercial fit-outs, first and second fix joinery across housing, hote
Custom Living Spaces Craigavon · Kitchen fitting
Custom Living Spaces offers a fully managed kitchen fitting service, handling everything from removal to final touches with expert electrical, plumbin

Construction companies in Northern Ireland

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