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Construction Companies in Swansea: 1,545 Active Firms (2026)
Construction companies in Swansea deliver building, civil engineering and specialist trade work across the city and surrounding metropolitan area.
Buying centres in Swansea construction tend to sit with local authorities, housing developers, commercial property owners, principal contractors and facilities teams commissioning refurbishment, fit-out and civils packages. The better-fit suppliers for this page are not domestic-only trades; they manage site delivery, subcontractor chains and phased work across commercial, residential, infrastructure or public-sector projects. Engagements are typically tendered or framework-led, with delivery risk sitting around labour availability, materials, programme control and safety coordination. The contractor profile is therefore closer to a local or regional delivery partner than a pure lead-generation trade listing.
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Swansea has 1,545 actively trading construction companies in this list. Reported employment across the cohort totals 2,797 people, pointing to a market with many small contractors and a narrower layer of employers able to resource larger packages. Only 46 firms report turnover above £5M, so the revenue-weighted end of the market is relatively thin. Company formation has not stopped, however: 400 firms were incorporated since 2022, suggesting continuing churn among specialist trades, subcontractors and small project-delivery businesses rather than a market made up mainly of long-established regional contractors.
UK construction operates without a sector-wide licence, but several regimes shape day-to-day delivery. HSE’s CDM Regulations place duties on clients, designers and contractors to plan work, appoint competent people, coordinate site activity and consult workers. HMRC’s Construction Industry Scheme affects cash flow and compliance for contractor-subcontractor relationships, with registration status changing the deduction treatment applied to payments. Construction products add a further layer: the Office for Product Safety and Standards regulates construction products and works with the Building Safety Regulator within HSE where product issues intersect with building safety.
Swansea’s construction base appears weighted towards smaller local operators, with a thinner cohort of firms able to take on larger commercial or public-sector packages directly. That shape tends to favour subcontracting networks, framework participation and partnerships with principal contractors rather than standalone expansion by every trade business. Compliance pressure is likely to remain part of normal operating cost, especially where building-safety interfaces, product assurance and worker consultation are material to delivery. Consolidation may occur selectively, but the market is also likely to keep producing small specialist entrants where barriers are lower and local demand is project-led.
1,545
Active firms
2026
46
£5M-plus firms
Reported turnover
400
New incorporations
Since 2022
Key facts
About 2% of the trading cohort reports turnover above £5M (46 of 1,545 firms) — the rest sits below that revenue band.
25% of the cohort was incorporated since 2022 (400 firms), so a sizeable share is in its first few filing cycles.
UK construction is governed by multiple regimes rather than a single sector licence, so obligations depend on the work undertaken.
HSE’s CDM 2015 rules require dutyholders to plan work so risks are managed from start to finish, appoint suitable people, coordinate work and consult workers.
HMRC’s Construction Industry Scheme requires contractors to deduct money from subcontractor payments and pass it to HMRC, with higher deductions for unregistered subcontractors.
OPSS regulates construction products and works with the Building Safety Regulator within HSE on building-safety-related issues.
ONS reported 370,770 VAT and PAYE registered construction firms in Quarter 3 2024, up 1.7% on 2023.
Top Swansea Construction companies
MORGANSTONE (HOLDINGS) LIMITED
Trajectory
5y · 2021–NowProvides construction and property development services including design, groundworks and land acquisition. Delivers residential and commercial building projects and regeneration schemes for housing…
Serves housing associations, local authorities, public sector bodies and private developers across Wales seeking partners for development schemes.
Financial Health
Insufficient historyInsufficient history
Location
Provides building and civil engineering services, delivering residential, commercial and industrial construction projects and infrastructure works such as roads, drainage, utilities and environmental…
Serves public and private sector clients across the UK, including organisations commissioning residential, commercial and industrial developments, infrastructure works, and framework-based…
Financial Health
Insufficient historyInsufficient history
Location
John Weaver (Contractors) Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides building contracting services including refurbishment, conservation and restoration of historic buildings, new build construction, minor works and bespoke joinery. Delivers projects for…
Serves public-sector and institutional clients, including councils, universities, schools, hospitals, heritage bodies and framework partners, on civic, education, healthcare, conservation,…
Financial Health
StrongStrong · Profitable, Growing · 1% CAGR over 4y
Location
John Weaver Contractors
Provides construction contracting services including new build, refurbishment, and building conservation projects. Also undertakes specialist and minor works, maintenance, and bespoke joinery for…
Serves public-sector and institutional clients, including universities, schools, councils, NHS healthcare sites, heritage bodies, emergency services and framework partners needing new-build,…
Location
KAYMAC MARINE & CIVIL ENGINEERING LIMITED
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsProvides marine and civil engineering contracting services, including commercial diving, repair and maintenance of marine infrastructure, coastal and inland waterway engineering, installation of…
Serves UK-wide infrastructure asset owners and operators in rail and transport, water utilities, nuclear and energy, highways, environmental bodies, and marine ports and harbours.
Financial Health
StrongStrong · Growing, Hiring · 17% CAGR over 2y
Location
DALEY HOMES LTD
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsDevelops and builds residential housing developments, including new‑build three‑ to five‑bedroom homes and bungalows. Also provides construction services for domestic and commercial building projects…
Serves homebuyers seeking 3–5 bedroom new-build homes in South and West Wales, plus domestic and commercial clients needing construction or civil engineering support.
Financial Health
HealthyHealthy · Growing, Hiring · 3% CAGR over 4y
Location
AMROC Heating Services Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides mechanical and electrical building services including installation and maintenance of air conditioning, building management systems, electrical systems, gas heating and hot water systems,…
Serves public, private and third-sector organisations across the UK, including commercial property operators, education providers, housing organisations, leisure and entertainment venues, healthcare…
Financial Health
StableStable · -12% CAGR over 4y
Location
Premier Forecourts and Construction Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides specialist construction services for fuel forecourts, including installation, maintenance and refurbishment. Also installs EV charging infrastructure and delivers construction, fit‑out and…
Serves blue-chip businesses and public sector bodies across the UK, including fuel forecourt operators, EV charging clients, retailers, commercial property owners and organisations needing specialist…
Financial Health
StableStable · Profitable · 3% CAGR over 2y
Location
Rowecord Total Access Limited
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides scaffolding and access systems for construction and maintenance projects, including temporary roofs, edge protection systems, and shrink wrap encapsulation. Delivers design, installation and…
Serves construction contractors, developers, commercial property owners, industrial clients and public or heritage organisations on small to complex projects across Wales and the South West.
Financial Health
StrongStrong · Growing · 2% CAGR over 3y
Location
Edmunds Webster Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides building contracting services and manufactures joinery products for commercial, industrial and public sector construction projects, including structural building work, interior joinery and…
Serves commercial and industrial organisations and public sector bodies seeking construction and joinery contractors.
Financial Health
HealthyHealthy · -4% CAGR over 4y
Location
MARTIN TAFFETSAUFFER BUILDING & CIVIL ENGINEERING CONTRACTORS LTD
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides building and civil engineering services for domestic and commercial projects, including new builds, extensions, renovations and property conversions. Delivers trade work such as bricklaying,…
Serves domestic homeowners, commercial clients, local authorities, councils and architects needing construction and civil engineering contractors across Carmarthenshire, South and Mid Wales, with…
Financial Health
StrongStrong · -1% CAGR over 3y
Location
ASW PROPERTY SERVICES LIMITED
Trajectory
5y · 2019–NowFinancial sub-scores
Computed from 5 filingsProvides property repair, maintenance and refurbishment services, including reactive and planned maintenance, void property works, disabled adaptations and facilities management for social housing…
Serves local authorities, housing associations and commercial property operators across Wales, the Midlands, South and South West England, including social housing providers and multi-site…
Financial Health
HealthyHealthy · Hiring · 2% CAGR over 5y
Location
BANCROFT CARPENTRY & BUILD LIMITED
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides building contracting services for residential and commercial projects, including bespoke new builds, refurbishments and renovations. Acts as principal contractor offering design and build,…
Serves private residential clients and commercial organisations, working with architects and designers on homes, refurbishments, offices, healthcare facilities, restaurants, bars, accommodation and…
Financial Health
StableStable · Hiring · 36% CAGR over 3y
Location
Tear Scaffolding Specialists Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides scaffolding design, erection and hire for construction, maintenance and demolition projects. Services include commercial, industrial and domestic scaffolding, temporary roofs, access…
Serves domestic homeowners and trades, commercial and industrial site operators, solar installers, demolition contractors, and owners of factories, warehouses and listed structures across Swansea and…
Financial Health
StrongStrong · Growing, Hiring · 59% CAGR over 4y
Location
M.A. HARTLEY ROOFING CONTRACTORS LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides commercial roofing contracting services including installation and refurbishment of pitched roofs, single‑ply membranes, green roofs, built‑up felt systems and liquid‑applied coatings. Also…
Serves commercial businesses, construction contractors and local authorities across Wales and the M4 corridor, including developers, public-sector property teams and organisations managing commercial…
Financial Health
StableStable · -6% CAGR over 4y
Location
A BRIGHT SOLUTION UK LIMITED
Trajectory
5y · 2019–NowFinancial sub-scores
Computed from 5 filingsProvides mechanical and electrical contracting for industrial and commercial projects, including electrical installations, HVAC systems, plant rooms, internal fit‑outs, and groundworks. Manages…
Serves UK main contractors, developers and facilities managers on industrial, commercial, public sector and defence projects, including manufacturing sites and secure multi-site facilities.
Financial Health
StrongStrong · Hiring · 12% CAGR over 6y
Location
Plazatheme Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides plumbing and heating services including boiler installations, gas central heating conversions, servicing, landlord gas safety certificates, and maintenance. Installs heating and sanitaryware…
Serves major and local housebuilders, domestic homeowners and landlords, plus commercial clients including supermarket retailers, warehouses, schools and care homes, mainly in South Wales.
Financial Health
WeakWeak · -3% CAGR over 4y
Location
Gareth Rees Plant Hire Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides specialist plant hire and contracting services for construction and environmental projects. Activities include crushing and screening, land remediation, metal recovery, groundworks, and the…
Targets B2B construction and civil engineering contractors, infrastructure project managers, developers, environmental works teams and leisure/trail operators across Wales and the South West.
Financial Health
StrongStrong · Hiring · 12% CAGR over 4y
Location
Moore Interiors (Wales) Limited
Trajectory
5y · 2019–NowFinancial sub-scores
Computed from 5 filingsProvides commercial construction and refurbishment services, including office and retail fit-outs, shopfitting, warehouse and factory refurbishment, partition systems, flooring and ceilings. Also…
Serves B2B and public sector customers, including businesses, landlords, local authorities and hospitals, with particular focus on commercial premises, offices, retail sites, warehouses and factories…
Financial Health
HealthyHealthy · Hiring · 7% CAGR over 5y
Location
TW Group (South Wales) Ltd
Trajectory
5y · 2022–NowFinancial sub-scores
Computed from 5 filingsProvides construction and roofing services for private and public sector clients, including new housing developments, building renovations, re-roofing, and property maintenance. Undertakes…
Serves a mix of B2C and B2B/public-sector customers, including private homeowners, residential housing development clients and public sector organisations commissioning building-related projects.
Financial Health
StrongStrong · Growing, Hiring · 34% CAGR over 4y
Location
Viv John Scaffolding Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides scaffolding and access systems for construction and infrastructure projects, including tube and fitting and system scaffolding, temporary roofing structures, and safety management solutions…
Serves construction, infrastructure, industrial, commercial, leisure, institutional, residential and demolition clients in South Wales, including organisations needing access, temporary roofing and…
Financial Health
StableStable · Hiring · 6% CAGR over 2y
Location
V & C (SW) Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides painting and decorating, dry lining, plastering, screeding, rendering, tiling and wallcovering installation for residential and commercial projects. Also carries out surface repairs, passive…
Serves construction and property clients, including architects, engineers, trades, new-build companies and private clients, across domestic and commercial projects in South Wales and beyond.
Financial Health
WeakWeak · -6% CAGR over 2y
Location
BUILDING SERVICES CONTROLS LTD
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsDesigns and supplies building energy management and control systems. Provides system design, manufacture, electrical installation, project management, commissioning, monitoring and maintenance…
Sells to commercial and residential customers, including public and private sector organisations. Targets education, hospitality and leisure, social and health care, commercial property and…
Financial Health
StableStable · 4% CAGR over 2y
Location
Spartan Scaffolding Solutions Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides scaffolding design, erection and access solutions for commercial, industrial and residential construction and maintenance projects. Services include temporary roofs, chimney access…
Serves commercial and industrial organisations, construction firms and residential property owners needing scaffolding across South Wales, Wales and parts of the UK.
Financial Health
HealthyHealthy · Hiring · 37% CAGR over 5y
Location
Cps Construction Ltd
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides construction, refurbishment and property repair services, specialising in insurance-related building repairs and subsidence remediation. Delivers projects including fire and flood…
Serves insurers, businesses, schools and universities, healthcare operators, local authorities, and high-net-worth homeowners across Bristol, Bath, the South West and South Wales.
Financial Health
WeakWeak · 0% CAGR over 3y
Location
WESTACRES HOMES LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDevelops and sells new-build residential housing, delivering multi-home developments including three, four and five-bedroom properties. Plans and markets housing schemes, provides show homes and…
Sells to consumers and prospective homeowners seeking luxury 3, 4 and 5 bedroom new-build homes in residential developments in South Wales.
Financial Health
WeakWeak
Location
JC IRVINE LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides domestic and commercial building services including new house construction, extensions, renovations, and loft, garage and barn conversions. Also carries out shop and office fit-outs and…
Serves private homeowners and business clients in Swansea and surrounding areas, including property owners planning residential projects and commercial customers such as shops and offices.
Financial Health
HealthyHealthy · Hiring · 11% CAGR over 4y
Location
CREST CEILINGS & PARTITIONS LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides interior refurbishment and fit‑out services for offices and retail spaces, including installation of suspended ceilings, partition walls, mezzanine floors, fire protection systems, raised…
Serves businesses with corporate offices and retail premises in Swansea and across South Wales, including organisations planning office or shop interior changes.
Financial Health
StableStable · -11% CAGR over 2y
Location
GUARDIAN PROPERTY SERVICES(GPSUK) LTD
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides electrical installation and maintenance, fire and security systems, networking and telecoms, facilities management, construction and shop fitting. Delivers property maintenance, design,…
Serves domestic, commercial and industrial property owners, landlords and facilities managers across South Wales and the M4 corridor from Carmarthen to Bristol, from single homes to high-rise…
Financial Health
HealthyHealthy · -2% CAGR over 5y
Location
BLUE ROCK DEMOLITION LTD
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides demolition services for commercial and construction projects, including site clearance, asbestos removal, waste disposal, recycling and land reclamation. Operates demolition plant and…
Serves construction and property development clients, including commercial, residential and civil engineering project owners involved in redevelopment, infrastructure and land reclamation projects.
Financial Health
StrongStrong · Growing, Hiring · 68% CAGR over 4y
Location
F.R.E.D.S. Timberframe Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDesigns, manufactures and supplies timber frame building systems for residential and commercial construction. Produces modular homes, structural timber frames and stair components, and provides…
Serves UK-wide commercial builders, property developers and trades delivering housing developments, alongside homeowners planning one-off new builds or extensions; also works with housing…
Financial Health
StableStable · Hiring · 36% CAGR over 4y
Location
Dragon Sealants Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides sealant application and finishing services for construction and refurbishment projects, including internal and external mastic pointing, uPVC and aluminium spraying for windows and doors,…
Serves commercial contractors, developers, housebuilders, small builders and homeowners across South & West Wales on major developments, new builds, refurbishments and one-off repair projects.
Financial Health
WeakWeak · -8% CAGR over 4y
Location
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides a structured roofing repair programme including assessment, specification and application of coatings and remedial works. Services address edge corrosion, water ingress, coating failure,…
Serves UK commercial and industrial property owners, facilities managers, roofing contractors and project specifiers managing roofing repair and refurbishment projects.
Financial Health
StrongStrong · Growing, Hiring · 26% CAGR over 3y
Location
Access Scaffolding Contracts Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides scaffolding services for residential, commercial, and industrial projects. Erects and dismantles scaffold structures for activities such as roofing, exterior maintenance, and renovations,…
Serves homeowners, landlords, contractors and property/facilities managers across Swansea and nearby areas, including commercial premises such as offices, schools, shopping malls and hotels.
Financial Health
StrongStrong · Growing, Hiring · 26% CAGR over 4y
Location
PRO SPEC INTERIORS LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides commercial and domestic building and interior fit-out services, including shop fitting, shopfront installation, office refurbishment, garage and home conversions, hygienic wall cladding,…
Serves a mix of B2B and B2C customers: large and small commercial clients, retailers and office occupiers, plus homeowners seeking domestic building projects, with emphasis on South Wales clients and…
Financial Health
StableStable · Hiring · 7% CAGR over 4y
Location
CDL Building & Carpentry Ltd
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides building and carpentry services for domestic and commercial projects, including new house construction, office refurbishments, shop fitting, roof work, and installation or modification of…
Serves homeowners, commercial premises owners and businesses in Swansea, Neath and wider South Wales, including new or expanding companies and insured property owners after damage.
Financial Health
StableStable · 0% CAGR over 5y
Location
Anns Crane Hire Limited
Trajectory
1y · 2025–NowProvides crane hire and contract lifting services, supplying cranes, operators, slingers and supervisors for construction and industrial lifting projects. Also offers plant movement, lifting…
Serves business customers needing crane hire, contract lifting and lifting personnel, including project teams managing construction, plant movement and other lifting operations across the UK and…
Financial Health
Insufficient historyInsufficient history
Location
Andrew D'Auria Solutions Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides plumbing, heating, gas and electrical services for domestic and commercial properties, including boiler installation and servicing, building maintenance, plant room work, safety checks and…
Serves private households and large organisations in Wales, including local councils, social housing providers, church bodies and public-sector sites such as schools, nursing homes and leisure…
Financial Health
StrongStrong · Growing, Hiring · 7% CAGR over 4y
Location
CABS Industrial Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides industrial painting, surface blasting and cleaning services for buildings. Carries out repairs and refurbishment of cladding panels, powder‑coated surfaces and curtain walling, plus building…
Serves B2B customers across industry sectors, with a focus on construction firms, building owners, property managers and contractors needing building envelope refurbishment, repairs, painting and…
Financial Health
HealthyHealthy · -19% CAGR over 4y
Location
Coatings and Blasting Services Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides industrial and construction sector surface preparation and coating services, including abrasive and media blast cleaning, painting, and repairs to cladding panels, curtain walling and…
Serves businesses across industry sectors, with a focus on construction clients, building owners, property managers and facilities teams responsible for commercial and industrial buildings, cladding,…
Financial Health
HealthyHealthy · 0% CAGR over 4y
Location
Premier Windows Direct Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsSupplies and installs windows, uPVC and composite doors, conservatories, decking, exterior cladding and roof upgrades for residential properties, park homes and holiday lodges. Also provides flat…
Serves homeowners, park home and holiday property owners, and some commercial property customers across Swansea and South Wales, including owners of caravans, chalets and lodges.
Financial Health
HealthyHealthy · -6% CAGR over 4y
Location
REFRIGERATION AIRCONDITIONING CATERING SERVICES LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDesigns, supplies and installs commercial kitchen and catering equipment. Provides project management, refrigeration and air‑conditioning systems, equipment leasing, and maintenance services for…
Serves cafes, takeaways, restaurants, hotels, schools, colleges, care homes, hospitals, community centres and public or corporate venues, mainly in South Wales.
Financial Health
WeakWeak · -70% CAGR over 4y
Location
Hydratech Mechanical and Electrical Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides plumbing, heating and electrical services for residential and commercial properties, including installations, maintenance and repairs, as well as full mechanical and electrical (M&E)…
Serves homeowners and residential clients in South East Wales, Bristol and surrounding areas, alongside commercial clients across the UK needing plumbing, heating, electrical or M&E support.
Financial Health
StrongStrong · -3% CAGR over 4y
Location
H M Thomas (Loughor) Roofers Limited
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsProvides roofing services including slate and tile roof repairs, re-roofing, lead work and welding, fascia, soffit and gutter installation, roof windows, and installation of EPDM, fibreglass and…
Serves homeowners and property owners in Swansea and South Wales needing roofing contractors for repairs, renovations, roof windows, guttering, fascias and storm-damage work.
Financial Health
StableStable · 0% CAGR over 2y
Location
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides construction contracting services for public and private sector clients, including new build projects, building refurbishment, maintenance, decoration, retrofit and decarbonisation works,…
Serves public and private sector clients in Wales, including local authorities, education providers, housing/residential stakeholders and commercial organisations procuring construction and property…
Financial Health
StableStable · -8% CAGR over 4y
Location
CJ CONSTRUCTION (WALES) LTD
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides construction services including new build, refurbishment and regeneration projects. Works with local authorities, housing associations, public sector bodies and private developers on…
Serves local authorities, public sector bodies, housing associations and private developers across commercial, residential, health and education sectors.
Financial Health
WeakWeak · 3% CAGR over 2y
Location
T.RICHARD JONES (BETWS) LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides building contracting, plant hire, and construction services. Undertakes civil engineering and demolition projects, and builds facilities including housing, offices, industrial and retail…
Serves public and private sector construction clients, including education providers, emergency and health services, industrial, commercial and retail organisations, offices, care facilities, housing…
Financial Health
StableStable · -7% CAGR over 4y
Location
R. Hills Construction Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides civil engineering and construction services specialising in groundworks, drainage systems and highway works, including site preparation, infrastructure installation and related contracting…
Serves construction and infrastructure clients across South Wales, including organisations procuring groundworks, drainage and highways contracting services.
Financial Health
StrongStrong · Hiring · 18% CAGR over 4y
Location
TRJ CYF LTD
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides building and civil construction contracting services and operates plant and machinery hire for construction projects, supplying equipment and supporting works for infrastructure, commercial,…
Serves commercial and organisational clients that commission building contractor work or need plant hire, with the website indicating a client-led approach and a workload largely from repeat…
Financial Health
HealthyHealthy · -7% CAGR over 4y
Location
STERLING UK CONSTRUCTION LTD
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides residential housebuilding including large housing developments, renovations and one-off homes. Delivers commercial construction and refurbishment projects for sectors such as education,…
Serves private homeowners, housing developers and commercial/public-sector organisations, with client sectors including education, healthcare, leisure, community facilities and general commercial…
Financial Health
DistressedDistressed · -87% CAGR over 2y
Location
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How Swansea Construction companies work and how to sell to them
What they do
Swansea construction firms mostly earn revenue from project delivery: civils packages, refurbishment, fit-out, residential build work, maintenance frameworks and specialist subcontract trades. Pricing is usually job-specific rather than subscription-based, with fixed-price tenders, schedules of rates, measured works, day rates and variation claims all common. Cash is often released through staged valuations, with retentions and final-account negotiations affecting working capital. The product is a managed site outcome rather than a physical item alone: labour coordination, plant, materials, health and safety planning, subcontractor supervision and programme control are bundled into the contract.
Who they sell to
Most sell to buyers that already understand procurement risk: local authority estate teams, housing developers, commercial landlords, principal contractors and facilities managers. Decision-makers tend to include quantity surveyors, commercial managers, project managers, procurement officers, finance directors and operations directors, with technical sign-off from site or health and safety leads. Smaller works may be won through repeat relationships and direct quotation, while larger packages usually move through tenders, approved supplier lists or frameworks. Sales cycles vary by work type, but public-sector and principal-contractor routes typically require pre-qualification, insurance checks, safety evidence and references before price is considered.
What they buy
Construction firms tend to spend on tools and services that reduce project leakage rather than general office overhead alone. Common categories include estimating and take-off software, job costing, project management, document control, health and safety management, mobile site reporting, workforce scheduling, payroll, CIS accounting, fleet and plant management, procurement systems and materials-price tracking. Professional services also matter: insurance broking, employment law, contract review, bid writing, tax advice, certification support, training and recruitment for site supervisors or commercial staff. Site connectivity, devices and cloud storage become more relevant once a contractor is running several concurrent jobs.
Why and how to sell to them
Construction buyers tend to evaluate suppliers when a new framework place, larger package, principal-contractor appointment or public-sector opportunity exposes gaps in process. Other triggers include a new finance, commercial or operations hire, rising subcontractor volumes, margin pressure from materials, insurance renewal, safety incidents, audit requirements or a move from domestic work into commercial delivery. Outbound messaging works better when it is tied to a known operating constraint: fewer valuation disputes, clearer variation records, faster tender returns, better CIS handling, cleaner CDM evidence or tighter visibility across live sites. Generic productivity claims are less persuasive than proof that administration, risk or cash timing improves.
How this list is built
Data sources
This list is built from UK Companies House filings, XBRL accounts data, and semantic analysis of each company's public website. Revenue and headcount figures come from the most recent filed accounts; where the company has not filed, values are estimated using a model trained on filed history and peer benchmarks and are labelled as estimates.
Classification
Rather than relying solely on SIC codes, Firmbase classifies each company semantically: the company's website is crawled, an AI model reads what the company actually sells, and the company is placed into the relevant industry and subsectors. SIC codes are used as one signal but not the only one. This means a company that registered under a generic SIC code but pivoted into (for example) fintech is correctly identified as fintech, not as its original SIC category.
Freshness
The underlying company data is refreshed from Companies House continuously; filings appear in the list within days of submission. The curated list ordering is regenerated when the underlying data moves meaningfully (company count changes by more than 5%, a new company enters the top-ranked segment, or the filed-revenue numbers for the top firms change). You can see the last-updated timestamp near the top of the page.
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