Construction companies in Wales

1711 construction companies across Wales.

• M Morganstone Ltd Swansea · Fit-out & interiors · 50-249 employees

  Morganstone Ltd is a fit-out & interiors company based in Swansea, registered at Companies House in 2008.

• M Morris Line Engineering (Holdings) Ltd Bridgend · Electrical

  Morris Line Engineering provides bespoke HV & LV equipment and electrical contracting services to the Utility, Rail, Oil & Gas, Construction, and Stee

• M Morris Line Engineering Ltd Bridgend · Electrical

  Morris Line Engineering Ltd is a electrical company based in Bridgend, registered at Companies House in 2019.

• M Morton & Jones Ltd Wrexham · Fencing

  Morton and Jones Ltd are specialist groundwork and fencing contractors based in Wrexham, serving clients across North Wales and North West England. Wi

• M Mpd Developments (Nw) Ltd Wrexham · Main contractor

  MPD Developments is your trusted local building contractor covering Cheshire and Shropshire. We deliver high-quality home improvements, renovations, a

• M Mpe Fire & Security Ltd Wrexham · Insulation

  Mpe Fire & Security Ltd is a insulation company based in Wrexham, registered at Companies House in 2024.

• M Mrc Carpentry & Renovations Ltd Pontyclun · Refurbishment

  MRC Carpentry & Renovations Limited offers high-quality carpentry and renovation services. Transform your home with skilled craftsmanship and reliable

• M MRJ Properties Ltd Cowbridge · Property developer · 1-9 employees

  MRJ Properties Ltd is an award-winning family-run business with over 15 years of experience in property development and project management, specialisi

• M Msh Building Ltd Cwmbran · Refurbishment

  Family-run business serving since 2001, specializing in high-quality projects and maintenance for Registered Social Landlords, Local Authorities, and

• M MSH Property United Kingdom · Property developer · 1-9 employees

  MSH Property owns and manages residential and holiday properties across South Wales, offering thoughtfully designed spaces for long-term living and sh

• M Msm Partitioning Ltd Pontypool · Fit-out & interiors

  MSM Partitioning: Experts in office partitioning, suspended ceilings & commercial washrooms. Delivering bespoke fit-outs across South Wales & the M4 C

• M Msn Fencing & Groundwork Ltd Wrexham · Fencing

  MSN Fencing and Groundwork Ltd offers a wide range of garden services including fencing, groundwork, decking, patios, artificial grass, and garden des

• M Multi-Heat Services Ltd Pontypridd · Heating & ventilation

  Multi-Heat Services Ltd offer domestic and commercial heating, ventilation, air conditioning and other plumbing and boiler services in Pontypridd and

• M Murray’S Plumbing & Heating Services Ltd Blackwood · Plumbing

  Murray's Plumbing & Heating offers professional and reliable plumbing and heating services in Blackwood, Caerphilly. Gas Safe Registered, they provide

• M Muzz Jointing Ltd Aberdare · Electrical

  Professional cable jointing services delivered with precision, safety, and reliability across the United Kingdom. Specialising in LV/HV systems.

• M Mvr Solutions Ltd Newport · Design & build

  MVR Solutions provides multidiscipline contracting, scaffolding, and solar & battery power solutions for domestic and commercial clients across South

• M Mw Plastering & Rendering Ltd Bangor · Plastering

  Professional plasterer in North Wales and rendering contractors for all domestic and commercial plastering solutions, tailored to your property, finis

• M Mw Utilities (North West) Ltd Wrexham · Road surfacing

  MW Utilities (North West) Ltd specialises in high-quality road construction and utility services, enhancing connectivity across sectors like Power, En

• M MyJobQuote Llanelli · Drainage · 1-9 employees

  MyJobQuote is a free online service connecting homeowners with local tradespeople. Get up to 3 free quotes for your home improvement job.

• N N.W.P.S. Construction Ltd Rhyl · Main contractor · 10-49 employees

  For 25 years, NWPS Construction has worked with local councils, housing associations, the NHS and emergency services, delivering high-quality building

• N NAAMEC Swansea · House builder · 1-9 employees

  NAAMEC is an award-winning family business based in Swansea, specialising in constructing luxury new-build housing developments across South Wales.

• N Narbeth'S Mechanical Services Ltd Bridgend · Heating & ventilation · 10-49 employees

  Narbeths Mechanical Services is a building services contractor specialising in mechanical services, commercial gas, and maintenance. Established in 19

• N NATEC Electrical & Fire Solutions Swansea · Electrical

  Natec Electrical & Fire Solutions is a family-run business in Swansea offering comprehensive electrical and fire safety services for domestic, commerc

• N National Training Index Bridgend · Property developer · 1-9 employees

  A free, open directory of UK construction training centres. Find accredited centres for CSCS, CITB, CPCS, NPORS, IPAF, PASMA and asbestos awareness.

• N Nationwide Retrofit Cardiff · Insulation

  Nationwide Retrofit Ltd specialises in reducing carbon footprints through retrofit work in the housing sector, primarily utilising grant funding for i

• N Natural Green Heat Ltd Ty Croes Ammanford · Concrete works · 1-9 employees

  Natural Green Heat Limited is a company based in Carmarthenshire, UK. The company's website is currently unavailable.

• N Nautilus Concrete & Flooring Ltd Pontyclun · Concrete works

  Nautilus Concrete & Flooring Ltd is a concrete works company based in Pontyclun, registered at Companies House in 2023.

• N Nautilus Group Pontyclun · Roofing · 10-49 employees

  Nautilus Group is a leading SME in roofing renovations and concrete & flooring solutions for commercial and industrial clients. Established in 2013, t

• N Ndl Electrical Ltd Cardiff · Electrical

  NDL Electrical Limited offers professional and competitive electrical services in Cardiff and South Wales, specializing in domestic and commercial ins

• N Neath Gas Services Ltd Neath · Heating & ventilation

  Neath Gas Services offers expert gas boiler, heat pump, and hot water cylinder services in Neath, Port Talbot, Swansea, and Bridgend. Gas Safe & BPEC

• N Neath Window Care Ltd Neath · Windows & doors

  Neath Window Care offers uPVC window and door services in South Wales, specializing in repairs, maintenance, and installation for homeowners and landl

• N Nelson Framing Wrexham · Timber frame · 1-9 employees

  Nelson Framing Ltd are specialist Timber Frame erectors based in Wrexham, North Wales, providing installation services nationwide. Expertise includes

• N Neptune Electrical Ltd Newcastle Emlyn · Electrical

  NICEIC approved electrical contractors based in West Wales, providing a wide range of high quality electrical services to domestic and commercial cust

• N Netwell Scaffolding Rhyl · Scaffolding · 1-9 employees

  Netwell Scaffolding, based in Dyserth near Rhyl, supplies and erects scaffolding across North Wales, Cheshire, The Wirral, and Greater Manchester. Ful

• N Newport Land Reclamation Ltd Cardiff · Site clearance

  Newport Land Reclamation Ltd offer muck away, land reclamation, aggregate supply, and road sweeping services in Cardiff and Newport.

• N Newton Barnes Joinery & Construction Ltd Swansea · Design & build · 1-9 employees

  Newton Barnes offers tailored home improvement solutions, bringing craftsmanship and excellence to every project. Specializing in bespoke renovations,

• N Newton Barnes Ltd Swansea · Property developer

  Newton Barnes Ltd is a property developer company based in Swansea, registered at Companies House in 2026.

• N Newydd Maintenance Limited Cardiff · Refurbishment

  Newydd Maintenance Limited is an in-house contractor providing responsive and planned works to Newydd Housing Association, part of the Cadarn Housing

• N Nexosters Plumbing Swansea · Heating & ventilation

  Professional boiler installation and heating system optimisation in Swansea & South Wales. Gas Safe registered engineer. Powerflush included.

• N NICK JENKINS UPVC LTD Ammanford · Windows & doors

  NICK JENKINS UPVC LTD specialises in windows and doors, offering a range of glazing services for residential and commercial properties.

• N Nidd Vale Construction Newport · Fire protection · 1-9 employees

  Nidd Vale Construction are an industry certified team of experienced construction professionals, with an outstanding record of achievement throughout

• N Nigel Jenkins Construction Ltd Carmarthen · Main contractor · 1-9 employees

  Nigel Jenkins Construction Ltd is a family-run business in Llanelli, South and West Wales, offering a wide range of construction services with over 40

• N Nmc Maintenance Services Ltd Merthyr Tydfil · Rail infrastructure

  Specialist railway and underground rail maintenance services. Supporting the safe, continuous operation of rail infrastructure.

• N No Limit Construction Ltd Swansea · Extensions · 1-9 employees

  Professional Builders in Swansea specializing in Renovations, Extensions, and Conversions. Contact us for a free quote!

• N No.1 Scaffolding - Cardiff Ltd Cardiff · Bricklaying · 1-9 employees

  No.1 Scaffolding - Cardiff Ltd is a bricklaying company based in Cardiff, registered at Companies House in 2018.

• N Noble Civil Engineering Ltd Ferndale · Civil engineering

  Noble Civil Engineering is a civil engineering company in South Wales providing specialist building contractor and project management services and con

• N Nolan uPVC Carmarthen · Windows & doors · 50-249 employees

  Market leading double glazing in Carmarthen and across South Wales, West Wales, and Mid Wales. Start your online quote now.

• N North Shropshire Scaffolding Ltd Wrexham · Bricklaying

  North Shropshire Scaffolding Ltd is a bricklaying company based in Wrexham, registered at Companies House in 2011.

• N North Wales Industrial Roofing Ltd Holyhead · Roofing · 10-49 employees

  NWIR are commercial roofing specialists offering asbestos overcladding, roof surveys and refurbishment services for industrial buildings across the UK

• N North Wales Local Prestatyn · Main contractor · 1-9 employees

  North Wales' #1 Business Directory. Find local tradespeople and businesses across North Wales, plumbers, electricians, builders, shops and more. Free