Construction companies in Northern Ireland

951 construction companies across Northern Ireland.

• G Gmc Consultancy Ireland Ltd Londonderry · M&E contracting

  GMC Consultancy provides M&E design, renewable energy solutions, BIM, and project management for hospitality, education, and healthcare sectors.

• G GMP Industrial Flooring Antrim · Flooring · 10-49 employees

  GMP Industrial Flooring are industrial surfacing and flooring specialists based in Belfast, dedicated to providing high-quality solutions across the U

• G GO LOCAL ROOFING & GUTTERING LTD Coleraine · Roofing

  Go Local Roofing & Guttering Ltd offers expert roofing, flat roof, and roof repair services across Northern Ireland, prioritizing quality craftsmanshi

• G Gr White & Son Ltd Co Fermanagh · Electrical · 50-249 employees

  GR White & Son Ltd is an electrical contractor based in Tempo, Co Fermanagh. They offer a range of electrical services.

• G Graham Construction (Ni) Ltd Dromara · Steel fabrication · 1-9 employees

  Graham Construction NI Ltd, specialists in Structural Steelwork & Steel Frame Buildings. Based in Dromore, Northern Ireland.

• G Grant Bros Developments Ltd Downpatrick · Groundworks

  Grant Bros Developments Ltd offers quality groundworks and construction services including extensions, new builds, drainage, and driveways. Establishe

• G Grant Fit Out Newry · Fit-out & interiors · 10-49 employees

  Grant Fit Out specialises in creating brand experience fit outs for retail, office, hospitality, education, pharmaceutical, and healthcare sectors, tr

• G Grant Plant And Construction Ltd Magherafelt · Main contractor

  Grant Plant & Construction Ltd offers agricultural, industrial, and residential building solutions in Northern Ireland. Family-run with over 40 years

• G Green City Contracts Ltd Lisburn · Steel fabrication · 10-49 employees

  Green City Contracts Ltd, based in Lisburn, Northern Ireland, has been trading since 2013. They are a quality-assured company with CE certification, s

• G Green Electrical Ltd Co Down · Electrical

  Green Electrical Ltd, established in 2003, provides a wide range of electrical services in Northern Ireland and Southern Ireland, specialising in the

• G Green Energy Store Newtownards · Solar PV · 1-9 employees

  Installers of renewable energy solar panels, battery storage, and EV chargers across Northern Ireland and Ireland. Experienced and professional servic

• G Green Future Homes Ltd Armagh · House builder · 1-9 employees

  Green Future Homes specialises in Insulated Concrete Form (ICF) construction, building high-performance zero carbon homes for self-builders, land-deve

• G GREENLIGHT GAS LTD Belfast · Plumbing

  Greenlight Gas Ltd is a plumbing and heating company in Belfast, offering gas, oil, and plumbing services for homes and businesses. They have over 20

• G Greer Tiling and Bathroom Showroom Belfast · Tiling

  Expert wall and floor tiling services across Northern Ireland. Residential and commercial specialists delivering precise installation, premium materia

• G Gribbin Developments Ltd Dungannon · House builder

  Gribbin Developments Ltd is a long established, family run construction company based near Dungannon in Northern Ireland, specialising in residential,

• G Grn Contracts Ltd Dungannon · Steel fabrication

  GRN Contracts Ltd specialises in supplying and erecting bespoke steel buildings, including cold-rolled galvanised frames and structural steel frames f

• G Grove Electrical Services Ltd Dungannon · Electrical

  Grove Electrical and Mechanical Services provide complete design, build, project management and installation of electrical and mechanical services for

• G Gsm Guttering & Fascia Ltd Newcastle · Roofing

  GSM Guttering & Fascia Ltd are a family run business with over 20 years of experience in providing quality guttering and fascia services.

• G Gt Interior Solutions Ltd Carrickfergus · Suspended ceilings

  GT Interior Solutions specialises in the installation and maintenance of Metal Stud Partitions, Glazed demountable partitions, M/F and Grid Suspended

• G Guttertec Ltd Castlewellan · Roofing · 1-9 employees

  Guttertec Ltd are specialists in rainwater systems and cladding, offering supply and fit services for domestic, commercial, and industrial properties

• H H & G Contracts Ltd Londonderry · Electrical · 1-9 employees

  H&G Contracts Ltd. - Your trusted choice for efficient, cost-effective solutions in power cabling & terminations.

• H H & J Martin Construction Ltd Belfast · Main contractor · 10-49 employees

  H & J Martin Construction Ltd is a main contractor company based in Belfast, registered at Companies House in 1987.

• H H & J Martin Holdings Ltd Belfast · Property developer

  H & J Martin Holdings Ltd is a property developer company based in Belfast, registered at Companies House in 2013.

• H H. Mclarnon & Son Ltd Ballymena · Roofing

  H McLarnon & Son is a leading roofing & cladding specialist with over 65 years of experience, delivering high-quality projects across the UK and Irela

• H H.M. Electrics Ltd Co.Londonderry · Electrical

  H.M. Electrics Limited is a company based in Maghera, Co. Londonderry. The company's website is hmelectrics.com.

• H H&J Martin Construction Group Ltd Belfast · Property developer

  H&J Martin Construction Group Ltd is a property developer company based in Belfast, registered at Companies House in 2022.

• H H&J Martin Fit Out Ltd Belfast · Property developer

  H&J Martin Fit Out Ltd is a property developer company based in Belfast, registered at Companies House in 2025.

• H H&J Martin Group Ltd Belfast · Main contractor · 250+ employees

  H&J Martin Group, with over 175 years of heritage, delivers high-quality Fit Out, Facilities Management, Bespoke Joinery, and Fire & Security services

• H H2 Contracts Ltd 52 Armagh Road · Concrete works

  H2 Contracts Ltd provides food management and production services, specialising in assembly, preparation, and logistical handling for the food process

• H H2 Flow Water Management Ltd Armagh · Marine & water engineering

  H2 Flow Water Management Limited is a company based in Armagh, Northern Ireland.

• H Hagan Flooring Ltd County Tyrone · Flooring · 1-9 employees

  Hagan Flooring is Northern Ireland's premium flooring specialists, supplying and fitting domestic and commercial flooring for over 30 years. Specialis

• H Hagan Homes Ltd Ballyclare · House builder · 10-49 employees

  Hagan Homes is a leading house builder in Northern Ireland, established in 1988. They specialise in designing and building energy-efficient, modern ho

• H Hagan Windows Ltd Belfast · Windows & doors · 1-9 employees

  Hagan Windows install the highest quality pvc windows and doors to suit any budget. We supply and fit a range of uPVC windows, uPVC doors and uPVC con

• H Haire Bros. (Advanced Roofing) Ltd Co Londonderry · Roofing

  Northern Ireland based company specialising in EPDM and Butyl rubber flat roofing, tanking and waterproofing systems. Over 50 years experience.

• H Hallgruppen Ireland Ltd Co. Antrim · Concrete works

  Hallgruppen Ireland Ltd is a concrete works company based in Co. Antrim, registered at Companies House in 2024.

• H Hamill Civil Engineering Ltd Pomeroy · Civil engineering · 10-49 employees

  Hamill Civil Engineering Ltd is a Northern Ireland civil engineering contractor specialising in road construction, surfacing, groundworks, drainage an

• H Hamilton & Casement Ltd Dungannon · Main contractor · 1-9 employees

  Hamilton & Casement are building contractors and property developers in Northern Ireland, committed to quality, safety, and environmental care. Offeri

• H HAMILTON BOGIE THE MINI PILING COMPANY LTD Newtownards · Piling · 10-49 employees

  Hamilton Bogie is a specialist piling firm offering a range of piling services in Belfast and beyond. We cover all of Ireland. Get in touch today.

• H Hamilton Flooring Ltd Belfast · Flooring

  Hamilton Flooring Belfast - Specialists in Quality Carpet and Wooden Flooring. Showroom at The Refinery, Blythe Street.

• H Hanna Mechanical Ltd Belfast · Plumbing

  Hanna Mechanical Ltd provides expert mechanical service installations, from maintenance to repairs, ensuring efficiency and reliability in every proje

• H Hanover Systems Ltd Bangor · Electrical · 10-49 employees

  Hanover Systems, based in Belfast, specialises in HV & LV Power Distribution, Total Building Control, Automatic Meter Reading, and Energy Efficiency S

• H Harlo Construction Hillsborough · Main contractor · 1-9 employees

  Harlo Construction Ltd, based in Hillsborough, Co. Down, offers custom new builds, extensions, and renovations across Northern Ireland. With over 15 y

• H Harte Demolition Ltd Omagh · Demolition · 10-49 employees

  Harte Demolition Ltd offers comprehensive demolition, asbestos removal, site clearance, and groundworks services across the UK and Ireland. With over

• H Harvey Group PLC Newtownabbey · M&E contracting

  Harvey Group are mechanical and electrical experts focused on exceeding client expectations through innovative thinking and collaborative working.

• H Hasco Europe Ltd Newtownards · Design & build

  Hasco Europe provides Health & Safety consultancy, including CDM Principal Designer services, to the construction industry across the UK and Republic

• H Hawthorn Heights Ltd Derry · Design & build · 1-9 employees

  Specialists in the design and installation of play park equipment, sport pitches and safety surfacing for councils, schools and government.

• H Heaney Heating Ltd Belfast · Heating & ventilation · 10-49 employees

  Heaney Heating Ltd is a well established Gas Installation company in the greater Belfast area.

• H Heaney Heating Plumbing Ltd Belfast · Plumbing

  Heaney Heating Plumbing Ltd is a plumbing company based in Belfast, registered at Companies House in 2015.

• H Heaney Heating Services (Ni) Ltd Belfast · Plumbing

  Heaney Heating Services (Ni) Ltd is a plumbing company based in Belfast, registered at Companies House in 2011.

• H Hennity Plastering Contractor Ltd Newry · Plastering · 1-9 employees

  HPCL, founded in 2018 by Owen Hennity, has evolved from a plastering subcontractor to a comprehensive turnkey fit-out business, delivering quality pro