Main contractors in Wales working in public

51 main contractors across Wales working in the public sector.

50 of these 51 companies file accounts at Companies House, with a median reported or estimated turnover of £3.7m, and 30 hold at least one accreditation, most often Constructionline. All 51 are active on the register, and 4 were incorporated in the last three years.

• A Alpha Building Group Ystradgynlais · Main contractor · 10-49 employees

  Alpha Building Group provides professional construction, structural works, roofing, maintenance and project management services across South Wales.

• A Anthony Dever Construction Ltd Denbigh · Refurbishment · 10-49 employees

  Building quality and delivering trust, Adever offers construction, refurbishment, and renovation services across the North West and North Wales. Exper

• A Asd Build Ltd Cardiff · Main contractor · 1-9 employees

  ASD Build Ltd is a chartered organisation operated by construction professionals providing high-quality building development solutions for local commu

• C C.J. Construction (Wales) Ltd Port Talbot · Main contractor · 10-49 employees

  CJ Construction (Wales) Ltd specialise in New Build and Refurbishment projects for Local Authorities, Public Sector Bodies, Housing Associations and P

• C Carreg Construction Ltd Haverfordwest · Main contractor · 10-49 employees

  Award-winning construction company of unique modern and heritage construction projects throughout South and West Wales since 2003.

• C Carroll Ltd Ruthin · Main contractor · 10-49 employees

  Carroll Ltd is a leading construction specialist in Wales, founded in 1978. They offer integrated design and build services for commercial, retail, le

• C Castlemead Group Ltd Wrexham · Main contractor · 10-49 employees

  Castlemead Group Ltd., Building today for a better tomorrow - an extremely skilled construction partner based in Wrexham, North Wales.

• C Celtic Heritage Construction And Stonemasonry Ltd Caernarfon · Stonemasonry · 10-49 employees

  Celtic Heritage Ltd offers comprehensive construction and stonemasonry services across the UK. Founded in 1996, we have over 20 years of combined expe

• C Clockwork Building and Maintenance Cardiff · Electrical · 1-9 employees

  Clockwork Building and Maintenance offers a comprehensive range of building, maintenance, and specialised services for homes and businesses, focusing

• C Crossways Projects Pontyclun · Flooring · 1-9 employees

  Crossways Projects offers expert design, project management, and sustainable flooring, groundworks, and construction services for residential, commerc

• D Du Construction Ltd Bangor · Main contractor · 10-49 employees

  The largest construction and building company on Anglesey. We work closely with Horizon Nuclear Power, Anglesey and Gwynedd County Councils, and NHS t

• E Evan Pritchard Contractors Ltd Haverfordwest · Civil engineering · 10-49 employees

  Long established civil engineering and construction company based in Pembrokeshire, West Wales, with over 50 years of experience.

• G G Oakley Cowbridge · Main contractor · 10-49 employees

  G Oakley & Sons Ltd, established in 1954, offers comprehensive construction, M&E, and joinery services across the UK and Ireland, specializing in new

• G Garnett-Hughes Developments Ltd St. Asaph · Main contractor · 10-49 employees

  Garnett Hughes Developments Ltd is a construction company based in St. Asaph, North Wales, established in 2003. Serving public and commercial sectors,

• H Hedlyn Building Contractors Ltd Pontypool · Main contractor · 10-49 employees

  Hedlyn Building Contractors Ltd is a family-run building contractor in Pontypool, South Wales, established in 1984. With over 40 years of experience,

• H Hempcrete Cymru Ltd Penrhyndeudraeth · Main contractor

  North Wales based construction company specialising in hempcrete and natural building materials. Offering sustainable, affordable, high-performance bu

• H Henry Jones (Criccieth) Ltd Gwynedd · Main contractor · 10-49 employees

  Building, Civil and Construction Contractors located in the Llyn Peninsula, North Wales. Specialists for nearly 40 years in new builds, public buildin

• H Hmbs Group Ltd. Haverfordwest · Main contractor · 10-49 employees

  HMBS Group Ltd is a trusted building contractor in Pembrokeshire with over 24 years of experience. We offer comprehensive services including house ext

• I Indigo Group Penarth · Main contractor

  Indigo Group provides outsourced payroll, CIS compliance, and workforce engagement solutions for multisector businesses, ensuring legal compliance and

• I Intervention Services Ltd Pontyclun · Main contractor · 10-49 employees

  Intervention Services Limited are a well established, medium sized, company in South Wales who are privately owned and work together with major contra

• J John Kelly Construction Services Ltd Anglesey · Main contractor · 10-49 employees

  John Kelly Construction Services offers a wide range of construction and civil engineering services in North Wales. They have a strong reputation for

• J John Weaver Swansea · Main contractor · 50-249 employees

  John Weaver Contractors combines traditional craftsmanship with modern construction techniques for projects up to £20m. Offering flexible services fro

• K Korbuild Ltd Pontypridd · Main contractor · 10-49 employees

  Korbuild Ltd is a well-established, nationwide building contractor. Our success has been built on reliability, flexibility & professionalism.

• L LAW Construction Rhyl · Main contractor · 10-49 employees

  LAW Construction delivers commercial building, maintenance and public sector services across North Wales and the North West.

• L Lloyd & Gravell Ltd Llanelli · Main contractor · 50-249 employees

  Lloyd & Gravell are one of Wales's leading construction firms and a national award-winning contractor. They construct, refurbish and repair buildings

• M Moore Interiors (Wales) Ltd Swansea · Main contractor

  Leading commercial construction company in Swansea, South Wales, offering expert building services. Trusted commercial contractors & builders for all

• M Morganstone (Holdings) Ltd Swansea · Main contractor · 50-249 employees

  Morganstone specialises in high quality construction solutions, within the public, private, housing association sectors, within Wales.

• M Msh Building Ltd Cwmbran · Refurbishment · 10-49 employees

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

• 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 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

• P Pen-Y-Bryn Joinery Ltd Denbigh · Main contractor · 10-49 employees

  Pen Y Bryn is a bespoke joinery, building and fit-out company with over 30 years experience based in Denbighshire, Wales.

• P Peter T. Griffiths Ltd Conwy · Main contractor · 10-49 employees

  Peter T Griffiths is a family-run building and construction contractor in North Wales, specialising in private and public sector projects with over 85

• P Premier Forecourts And Construction Ltd Swansea · Main contractor · 50-249 employees

  Premier Forecourts and Construction offers specialist construction services for fuel forecourts, EV charging, public sector, and retail/commercial pro

• P Pride Developments Group Ltd Torfaen · Main contractor

  Pride Developments is a diverse and innovative total building solution built upon rich experience, unrivalled craftsmanship and service.

• P Pritchard Commercial Services Ltd Aberdare · Main contractor · 1-9 employees

  Pritchard Commercial Services offers Quantity Surveying, Project Management, and Construction Consultancy services across South Wales and the UK.

• R R&M Williams Ltd Neath · Main contractor · 50-249 employees

  R&M Williams Ltd. work with public and private sector clients to deliver a broad range of projects in Construction, Refurbishment, Maintenance and Dec

• R Read Construction Holdings Ltd Brymbo · Main contractor · 50-249 employees

  Read Construction is a multi award-winning construction company with a client focused appetite for sustainable development.

• S Solseal Caldicot · Waterproofing · 10-49 employees

  The UK's leading supplier of sealants, adhesives & mortars, with speedy next-day delivery. Shop online from trusted brands like Sika, Everbuild, & Map

• S St Access Ltd Pwllheli · Scaffolding · 1-9 employees

  ST Access Ltd are professional rope access and working at height specialists. IRATA certified teams delivering safe, efficient access solutions for in

• S Summit Rope Access Ltd Monmouthshire · Scaffolding · 1-9 employees

  Summit Rope Access Ltd offers specialist rope access services for cleaning, maintenance, inspection, and repair of buildings and structures at height.

• S Surveying Cymru (UK) Ltd Monmouth · Damp proofing · 1-9 employees

  Surveying Cymru offer building surveying services such as damp, mould and moisture surveys, working for Private Landlords, home owners and social hous

• T Transformations Wales Ltd Port Talbot · Main contractor · 1-9 employees

  Natural Resources Wales is a Welsh Government Sponsored Body. Our purpose is to ensure that the natural resources of Wales are sustainably maintained,

• T Tree & Sons Ltd Milford Haven · Restoration & heritage · 10-49 employees

  Award-winning family run building & construction firm specialising in conservation work. Established 1978, with extensive experience in private sector

• T Tw Group (South Wales) Ltd Swansea · Main contractor · 10-49 employees

  TW Group (South Wales) Ltd is a dynamic construction company specializing in housing developments, renovations, and re-roofing for private and public

• T Tycroes Group Ltd Cross Hands · Main contractor · 10-49 employees

  Established in 1974, Tycroes Group is a construction and development company with a solid reputation in South Wales and across the UK. They offer a co

• U Unlimited Access Ltd Monmouth · Scaffolding · 1-9 employees

  Unlimited Access LTD are a specialist access company based in Cardiff, South Wales. Rope access and confined space services inc. Rescue Teams and Trai

• V V3 Group (U.K) Ltd Cardiff · Main contractor · 10-49 employees

  Headed up by Tom Gent, well respected within the construction industry, V3 is fuelled by a team of highly skilled professionals with extensive experie

• V Vaughan Construction Ltd Llanelli · Main contractor · 10-49 employees

  A family-run business offering a personal touch with quality, safety, and professionalism. We build relationships through open communication, integrit

• W W.B. Griffiths & Son Ltd Pembrokeshire · Main contractor · 50-249 employees

  W B Griffiths & Son Ltd are a family-run construction company with over 100 years of experience, offering a comprehensive range of building and civil

• W Wepco Ltd Cardiff · Main contractor · 1-9 employees

  WEPCo improves Welsh education infrastructure through sustainable partnerships, delivering community benefits and supporting economic growth.