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Construction Companies in Cardiff: 3,107 Active Firms (2026)
Construction companies in Cardiff deliver building, civil engineering and specialist trade work across the Welsh capital and surrounding metropolitan area.
Buying activity in this Cardiff cohort tends to sit with property owners, public-sector estates teams, housebuilders, commercial landlords, main contractors and facilities managers. Work usually moves through project-led procurement rather than subscription-style purchasing: pre-qualification, tendering, framework access, subcontract packages and negotiated call-offs all matter. The buying centres split between building and refurbishment, civil engineering and infrastructure, fit-out, and specialist trades such as mechanical, electrical, groundworks and finishing. Engagements range from short reactive works and small subcontract packages to multi-month programmes where bonding, insurance, health-and-safety competence and previous delivery evidence carry as much weight as price.
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Cardiff has 3,107 actively trading construction companies in this page cohort, making it a broad local supplier base rather than a narrow group of main contractors. The employment footprint is visible but concentrated: the firms together report 2,506 employees, with headcount skewed towards the contractors large enough to maintain payroll teams, site management and back-office compliance. Scale is uneven. Only 76 sit above £5M turnover, while 762 incorporations since 2022 point to a long tail of newer trade contractors and project vehicles alongside established regional operators.
UK construction operates through activity-specific regimes rather than a sector-wide licence. HSE’s Construction (Design and Management) regime allocates duties across clients, designers and contractors, with emphasis on planning work, coordinating site activity, appointing competent people and consulting workers. HMRC’s Construction Industry Scheme shapes subcontractor payment flows by requiring contractor deductions where the rules apply. Product compliance sits with the Office for Product Safety and Standards, while building-safety issues bring interaction with the Building Safety Regulator within HSE. For Cardiff suppliers, the practical burden is less about authorisation and more about documentation, competence evidence and payment administration.
The cohort appears weighted towards specialist trades, fit-out operators and regional contractors, with fewer signs of scaled multidisciplinary groups. That shape tends to make the market competitive at tender level and sensitive to cash-flow pressure, especially where subcontracting chains are long. Public-sector maintenance, urban regeneration and building-safety work should keep demand varied, but compliance evidence is likely to matter more in supplier selection. Consolidation appears more plausible around trade packages, framework access and back-office efficiency than through a wave of large local mergers.
3,107
Active firms
2026
76
Above £5M
Turnover threshold
762
New incorporations
Since 2022
Key facts
About 2% of the trading cohort reports turnover above £5M (76 of 3,107 firms) — the rest sits below that revenue band.
24% of the cohort was incorporated since 2022 (762 firms), so a sizeable share is in its first few filing cycles.
ONS reported Great Britain construction new work of £140,684 million in 2024, up 1.4%, and new orders of £71,707 million, up 5.6%.
HSE’s Construction (Design and Management) Regulations 2015 require construction roles 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; unregistered subcontractors face higher deductions.
The Office for Product Safety and Standards says it is the UK regulator for construction products and works with the Building Safety Regulator within HSE on building-safety-related issues.
Eurostat estimated that production in construction in August 2024 was down by 2.5% year on year in the euro area and down by 2.4% in the EU.
Top Cardiff Construction companies
Horan Surfacing Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides civil engineering and road surfacing services, including construction of roads, car parks, retaining walls, bridges, marine works and drainage systems. Undertakes infrastructure projects for…
Serves local authorities, public bodies, property developers and blue-chip companies needing civil engineering and surfacing contractors, mainly across South East Wales and the Cardiff area.
Financial Health
StableStable · 0% CAGR over 2y
Location
YOURSPACE PROJECTS LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsDelivers residential construction and development projects using modern methods of construction (MMC). Works with partners from feasibility to completion to build energy‑efficient homes, including…
Serves housing associations, property developers, architects and local authority partners involved in residential, affordable housing and mixed-use schemes, with project references in South Wales.
Financial Health
WeakWeak
Location
A.M.L. SCAFFOLDING LIMITED
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsProvides contract scaffolding services for construction and building maintenance projects, erecting access scaffolds and temporary roof structures to support roofing, repair, decoration, and…
Serves construction contractors, property managers and public sector organisations needing contract scaffolding across Cardiff and South Wales, including schools, healthcare sites, civic buildings…
Financial Health
HealthyHealthy · -2% CAGR over 2y
Location
Trajectory
1y · 2024–NowProvides construction services including new build, refurbishment and building maintenance for commercial, education, health and residential projects. Also carries out insurance-related repair and…
Serves B2B and public-sector clients in education, health, retail, leisure, insurance and commercial property, as well as homebuyers and homeowners in residential developments.
Financial Health
Insufficient historyInsufficient history
Location
Richard Kemble Contracts Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides construction fit‑out and façade contracting services, installing partitions, suspended ceilings, acoustic wall and ceiling systems, plastering and rendering. Also installs structural steel…
Serves main contractors, developers and public-sector clients on large projects in education, healthcare, leisure, office and residential sectors.
Financial Health
HealthyHealthy · -1% CAGR over 4y
Location
Tony G. Harris & Sons Building Contractor Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides building contracting services including residential and commercial new builds, property refurbishments, extensions, demolition and rebuilding, and conversions to HMOs. Also undertakes…
Serves homeowners, private developers, local authorities and housing associations in Cardiff and South Wales, plus commercial, retail, education, leisure and place-of-worship clients.
Financial Health
StableStable · Hiring · 3% CAGR over 4y
Location
Carter Lauren Construction Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides construction and building contracting services for commercial and hospitality projects, including hotels, restaurants, public houses and care homes. Delivers new-build developments,…
Serves B2B and public-sector clients in hospitality, restaurants, pubs, hotels, care homes, education and health, including national operators, property developers and project consultants.
Financial Health
HealthyHealthy · Profitable · 1% CAGR over 2y
Location
Dauson Environmental
Provides demolition, land remediation, construction, recycling and resource management services through a group of subsidiaries. Activities include waste recycling, soil supply, site clearance and…
Serves B2B and public-sector customers in the Welsh construction, land development and environmental sectors, including organisations managing sites, materials and regeneration projects.
Location
G.T. Jones Contracting Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides site clearance, fencing installation, civil engineering works, and plant and machinery hire. Also installs underground cables and pipes using cable ploughing, and undertakes landscaping,…
Serves public and private sector clients, including infrastructure and construction project owners, utilities installing underground cables or pipes, developers, agricultural landowners, and…
Financial Health
StrongStrong · Growing, Hiring · 19% CAGR over 4y
Location
Evans Electrical Holdings Limited
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsProvides electrical engineering services including design, installation, testing, commissioning and maintenance of electrical systems. Also installs renewables, EV chargers, solar, lighting, fire and…
Serves building contractors and property developers across Wales and the West, including projects in education, healthcare, commercial, residential, industrial, logistics, sports and leisure sectors.
Financial Health
StrongStrong · Growing, Hiring · 6% CAGR over 2y
Location
Cardiff Office Furniture Limited
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides workplace interior design, office fit-out and refurbishment services, and supplies office furniture. Offers project management, space planning, and installation to create and adapt office…
Serves private and public sector organisations planning office changes, from small businesses and teams to multi-site employers with thousands of staff, particularly those needing workplace projects…
Financial Health
HealthyHealthy · Hiring · 8% CAGR over 3y
Location
Amodeo Scott Ltd
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsDevelops residential properties including new‑build houses and apartment developments. Also carries out home renovations and extensions, remodelling existing properties and delivering multi‑unit…
Serves homebuyers, first-time buyers, downsizers and growing families across Cardiff and South Wales, alongside businesses, landowners and council bodies seeking residential property development or…
Financial Health
WeakWeak · 0% CAGR over 2y
Location
CARDIFF SCAFFOLDING CONTRACTS LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides scaffolding erection and access solutions for construction, refurbishment and maintenance projects. Offers scaffold design with CAD drawings, installation and dismantling, safety tagging…
Serves construction firms, tradespeople, industrial and commercial clients, and private individuals with domestic projects, primarily across South Wales, with coverage extending to Wales and England.
Financial Health
HealthyHealthy · -70% CAGR over 4y
Location
P & P BUILDERS LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides building and construction services including new build projects, refurbishment, renovation and adaptation works. Delivers design-and-build contracts with an in-house design team and operates…
Serves public sector bodies and private clients requiring building projects, with customers shown across South Wales towns including Merthyr, Pontypool, Tonypandy, Caldicot, Ebbw Vale and Blaenavon.
Financial Health
StableStable · Hiring · 6% CAGR over 4y
Location
CMB West Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides engineering contracting services including mechanical and electrical installation, facilities management, maintenance, pre-construction support, cleanroom and process installation. Manages…
Serves B2B project owners, main contractors and facility managers across Wales and the UK, particularly in industrial, cleanroom, semiconductor, renewables and commercial facilities sectors.
Financial Health
WeakWeak · -5% CAGR over 4y
Location
BPS Facilities Limited
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides commercial property maintenance and engineering services, including plumbing, gas heating, boilers, air conditioning and ventilation, electrical installation and testing, roofing works, and…
Serves businesses, commercial property owners and industrial companies across Wales, South West England and the M4 Corridor, spanning varied sectors needing facilities and property support.
Financial Health
StrongStrong · Growing, Hiring · 8% CAGR over 2y
Location
CADEN SCAFFOLDING CONTRACTS LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides scaffolding services for construction and renovation projects, including design, supply, erection and maintenance of scaffold structures. Supports works such as building extensions, loft…
Serves homeowners, builders and construction contractors in Cardiff and South Wales needing scaffolding for extensions, loft conversions, temporary roofs, hoists and other building projects.
Financial Health
DistressedDistressed · -10% CAGR over 4y
Location
EMI CONSTRUCTION LIMITED
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsProvides construction contracting services including new build development, building refurbishment, reinstatement works, and property maintenance. Delivers construction projects for clients across…
Serves residential homeowners, commercial clients and insurance policyholders across Wales and England, working with a wide range of sectors that require a main contractor for building-related…
Financial Health
StableStable · Hiring · 10% CAGR over 2y
Location
Langstone Construction Group Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides construction contracting services including new builds, conversions, extensions, refurbishments and renovations. Delivers building projects for sectors such as education, student…
Serves B2B and institutional clients commissioning construction projects, including education providers, student accommodation operators, residential care home operators, commercial and industrial…
Financial Health
StrongStrong · Growing, Hiring · 90% CAGR over 4y
Location
RISE CONSTRUCTION CARDIFF LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides building and construction services for domestic and commercial properties, including loft, house and garage conversions, extensions, new builds, bathroom installations, landscaping and…
Serves homeowners, landlords, agricultural clients and commercial organisations in Cardiff and South Wales, working with domestic customers, businesses and established architects on building projects.
Financial Health
StableStable · 0% CAGR over 2y
Location
HAYDN DAVEY BUILDING AND MAINTENANCE (WALES) LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides residential and commercial building and maintenance services, including property extensions, renovations, restorations, roofing and repairs. Also offers project management and domestic…
Serves homeowners, landlords and commercial property owners in Cardiff and South Wales seeking domestic and commercial building, renovation, maintenance and electrical contractors.
Financial Health
HealthyHealthy · 0% CAGR over 4y
Location
M R M & SONS BUILDING & ROOFING LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides building and roofing services including residential extensions, house construction and property maintenance. Also offers industrial and commercial concrete pumping, concrete installation and…
Serves both B2B and B2C customers, including industrial and commercial property owners, facilities managers, and residential homeowners seeking extensions, house builds, roofing, and concrete…
Financial Health
StableStable · -7% CAGR over 4y
Location
Lexan Development For Construction Ltd
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsProvides construction and project management services for residential, commercial and industrial developments, including new house builds, building renovations, carpentry and joinery, glazing, steel…
Serves homeowners, property developers, and industrial, commercial and retail clients in South Wales undertaking residential and commercial building projects.
Financial Health
StableStable · -24% CAGR over 2y
Location
Trajectory
2y · 2023–NowProvides construction and building contracting services including commercial design and build projects, new build housing, refurbishment works, heritage property restoration, and integration of solar…
Serves commercial property clients, housing developers and associations, heritage property owners, and organisations commissioning new-build, refurbishment or solar construction projects.
Financial Health
Insufficient historyInsufficient history
Location
Precision Roofing South Wales Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides roofing services for residential and commercial properties, including installation of pitched and flat roofs, new roof construction, roof repairs, slating, roofline and guttering work,…
Serves domestic homeowners and commercial property customers in Cardiff and across South Wales with roofing-related maintenance, repair, replacement and loft conversion needs.
Financial Health
StableStable · Hiring · 7% CAGR over 5y
Location
PENARTH STONE MASONRY LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides stonemasonry services including dry stone walling, natural stone work, and the cleaning and restoration of Bath and Portland stone. Undertakes projects for private clients and construction…
Serves private property owners and large construction or conservation contractors in South Wales and South West England, including public heritage bodies, across both small jobs and extended…
Financial Health
WeakWeak · 0% CAGR over 4y
Location
Vencer Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides residential construction and design-and-build services including home extensions, renovations, loft conversions and new-build houses. Also undertakes commercial building projects and manages…
Serves homeowners and domestic property owners in Cardiff and South Wales, alongside businesses needing commercial building projects.
Financial Health
HealthyHealthy · Hiring · 19% CAGR over 4y
Location
CARDIFF ELITE DEVELOPMENTS LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides residential building and renovation services including home extensions, loft and garage conversions, refurbishments, structural works and demolition. Also undertakes carpentry, kitchen and…
Serves homeowners, landlords and local property owners in Cardiff and surrounding areas seeking building work, refurbishments, extensions, conversions and property maintenance.
Financial Health
WeakWeak · -68% CAGR over 4y
Location
Bailey Building and Roofing Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides residential roofing and building services, including roof installation and repairs, chimney stack repairs and rebuilds, guttering, leadwork, slating and tiling, flat roofing systems,…
Serves homeowners and residential property owners in Cardiff and surrounding areas, including clients planning renovations, extensions or loft conversions and those responding to property survey…
Financial Health
WeakWeak · -14% CAGR over 4y
Location
Latham Construction South Wales Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides construction services for residential, commercial and industrial projects, including building works from groundwork and foundations through to finishing. Offers project management and…
Serves homeowners, property owners, commercial organisations and industrial clients planning construction projects, from small jobs to larger residential, commercial and industrial developments…
Financial Health
DistressedDistressed · -4% CAGR over 4y
Location
2D BUILDING CONTRACTORS LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides building and construction contracting services, carrying out refurbishment, maintenance and new build projects for public sector, education, healthcare and commercial clients, including…
Serves public sector and institutional clients in Wales, including NHS health boards, local councils, schools, universities and housing associations needing building and refurbishment projects.
Financial Health
StrongStrong · Growing, Hiring · 11% CAGR over 4y
Location
HORIZON CIVIL ENGINEERING LIMITED
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsProvides civil engineering contracting services for public and commercial sector projects, including footway and carriageway construction, drainage and ducting works, bridge construction and…
Serves public sector bodies and commercial organisations needing civil engineering principal contractor support, particularly through frameworks and DPS arrangements in South and Mid Wales.
Financial Health
StrongStrong · Growing, Hiring · 10% CAGR over 2y
Location
E.T. & S. CONSTRUCTION LIMITED
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides building and civil engineering services, including new build construction, refurbishment, design and build projects, and property maintenance. Works across industrial, commercial,…
Serves businesses, healthcare providers, prison/security estates and residential property clients needing construction and maintenance support across South Wales, including blue-chip organisations…
Financial Health
StableStable · Hiring · 19% CAGR over 3y
Location
Darlow Lloyd (Construction) Limited
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides civil engineering and construction services including building, refurbishment, design-and-build projects, and maintenance works. Uses in-house trades and plant to deliver infrastructure and…
Serves businesses, industrial operators and local authorities in South Wales and across the UK, including clients in steel, mines, quarries, heavy and light industrial, civil and building sectors.
Financial Health
HealthyHealthy · Profitable · -1% CAGR over 3y
Location
C 2 GROUNDWORKS LIMITED
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides groundwork and construction services including excavation, drainage, and site preparation. Works on building and infrastructure projects, frequently supporting housing developments and…
Serves public-sector and B2B clients, mainly local authorities and housing associations commissioning social and affordable housing developments across South Wales, including the Rhondda Valleys,…
Financial Health
StrongStrong · Growing, Hiring · 32% CAGR over 2y
Location
GODWIN CONTRACTING SERVICES LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides commercial construction and building services including refurbishments, new builds, property extensions, fit-outs and maintenance works. Also carries out drone surveys and aerial…
Serves public sector bodies, schools, councils, healthcare, police, museums, MOD clients, and private commercial clients seeking building projects across South Wales.
Financial Health
StableStable · -67% CAGR over 4y
Location
Miller Contractors (Wales) Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides civil engineering and construction services including groundworks, formwork, road surfacing, highway works, drainage, demolition, and site preparation. Undertakes infrastructure and building…
Serves property developers, local authorities, education and industrial clients across South Wales, from small-scale developments to larger civil engineering contracts.
Financial Health
StableStable · -1% CAGR over 4y
Location
Tom Prichard Contracting Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides construction and environmental contracting services including remediation, civil engineering, rail works, demolition, quarrying, recycling, skip hire, transport, and plant and equipment hire…
Serves public and private sector organisations needing construction, infrastructure, rail, demolition, remediation and recycling support across Wales, the Midlands, the South West and London boroughs.
Financial Health
StrongStrong · Profitable, Growing, Hiring · 14% CAGR over 2y
Location
DAVLAN CONSTRUCTION LIMITED
Trajectory
4y · 2023–NowFinancial sub-scores
Computed from 4 filingsProvides building and construction services including new builds, refurbishments, conversions, and structural alterations. Undertakes commercial and residential projects, shopfitting, bespoke…
Serves public sector bodies, commercial organisations and private residential clients in South Wales and beyond, including local authorities, healthcare and education providers, hotels, leisure…
Financial Health
WeakWeak · -80% CAGR over 3y
Location
P.J. Saunders Limited
Trajectory
5y · 2022–NowFinancial sub-scores
Computed from 5 filingsProvides building contracting services including new build construction, refurbishment and renovation projects. Undertakes commercial developments, heritage building restoration, residential builds,…
Serves public sector bodies, commercial clients, heritage property owners and residential customers in South Wales, including councils and clients commissioning new build, refurbishment or renovation…
Financial Health
WeakWeak · -7% CAGR over 4y
Location
South Wales Contractors Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides civil engineering and construction services including concrete and tarmac surfacing, groundworks, excavation, drainage installation and repair, foundation laying, concreting, and earth…
Serves commercial and industrial organisations, construction project owners and local authorities across South Wales, including Bridgend, Newport, Cardiff and Swansea.
Financial Health
StableStable
Location
W.K. PLASTERERS LIMITED
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides plastering and construction trade operatives for large-scale residential new build projects. Also undertakes building system upgrades and works on traditional construction methods using…
Serves volume new-build housing developers and construction contractors, particularly in South Wales and the West of England, focused on traditional-build residential projects.
Financial Health
HealthyHealthy · -78% CAGR over 3y
Location
Noel Fitzpatrick Ltd
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides civil engineering and groundworks services including roadworks, kerbing, footways and infrastructure projects. Also hires construction plant and equipment and supplies recycled aggregates…
Serves B2B construction, infrastructure and site-based clients across South Wales and the West, including contractors, developers and premises owners needing plant, aggregates, modular buildings and…
Financial Health
StableStable · 0% CAGR over 2y
Location
M. Camilleri & Sons Roofing Limited
Trajectory
2y · 2023–NowFinancial sub-scores
Computed from 2 filingsProvides roofing contracting services including slate and tile roof installation, shingling, leadwork, and single‑ply flat roofing. Undertakes new build and refurbishment roofing projects for…
Serves private householders, large UK housebuilders, building contractors and public-sector clients across Wales and South West England, including commercial, education, care, medical, leisure,…
Financial Health
StableStable · 2% CAGR over 1y
Location
K M PLANT HIRE & GROUNDWORKS LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides civil engineering and groundworks services for construction and utility projects, including multi‑utility mains installation, network repair and maintenance, trenchless engineering, EV…
Sells to businesses and infrastructure project buyers in construction, civil engineering and utilities, including organisations needing plant hire, groundworks, multi-utility installation and network…
Financial Health
HealthyHealthy · -77% CAGR over 4y
Location
Tim O'Brien (Newport) Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides mechanical and electrical contracting services and renewable energy installations, including solar PV, battery storage and EV charging systems, for commercial, social housing, local…
Serves commercial clients, social housing providers, local authorities, education bodies and construction firms in South Wales and South West England.
Financial Health
StableStable · 0% CAGR over 2y
Location
Walters Resources Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides civil engineering and earthworks services for infrastructure and development projects, including site preparation, bulk earthmoving, and groundworks. Also offers plant and equipment hire to…
Serves B2B and public-sector clients in construction and property, including housebuilders, housing organisations, developers and main contractors involved in civil engineering, earthworks,…
Financial Health
StrongStrong · Hiring · 14% CAGR over 2y
Location
Property Building Maintenance (Wales) Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides building maintenance, refurbishment and construction services, including new builds, extensions and property conversions. Delivers reactive and planned maintenance, accessibility…
Serves residential, commercial, healthcare, heritage, education and energy sector clients, including housing providers and property managers with property portfolios and project sites.
Financial Health
HealthyHealthy · Growing, Hiring · 10% CAGR over 2y
Location
WHITEHEAD BUILDING SERVICES LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides mechanical and electrical building services including system design, installation, refurbishment and ongoing maintenance. Works on commercial, education, healthcare and industrial projects,…
Serves public and private sector building owners, developers and main contractors across South Wales and South West England, including education, healthcare, life sciences, distribution, student…
Financial Health
HealthyHealthy · -1% CAGR over 4y
Location
Lightning Solutions (Wales) Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides electrical contracting services including installations, full rewires, electrical testing, compliance inspections, lighting upgrades, and power systems. Delivers reactive maintenance,…
Serves B2B and public-sector buyers, especially local authorities, housing associations, commercial businesses and industrial organisations. Targets contracted clients needing large-scale…
Financial Health
StableStable · Hiring · 3% CAGR over 4y
Location
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How Cardiff Construction companies work and how to sell to them
What they do
Cardiff construction firms earn revenue by pricing and delivering discrete packages of work rather than selling recurring subscriptions. Income usually comes from fixed-price contracts, measured works, schedule-of-rates jobs, labour-only subcontracting, design-and-build packages, maintenance call-outs and variations agreed during delivery. Gross margin is made in estimating, procurement, programme control and claims discipline, then tested by retentions, payment notices and snagging. Smaller trade contractors may price a job from drawings and site visits, while larger regional contractors often coordinate subcontractor layers, plant, materials and site management. Professional services around surveys, design coordination and compliance can sit alongside physical delivery, but the core commercial unit remains the project.
Who they sell to
Most Cardiff construction suppliers sell to organisations that already have a defined project, defect, maintenance obligation or capital programme. Typical buyers include local public-sector estates teams, housing providers, developers, managing agents, commercial landlords, main contractors and facilities managers across South Wales. Decision-makers tend to be quantity surveyors, contracts managers, project managers, procurement officers, estates leads and finance directors, with site managers influencing supplier selection after award. Procurement ranges from phone-led call-outs and negotiated repeat work to approved-list purchasing, framework mini-competitions and formal tenders. Sales cycles can be short for reactive repairs, but planned works usually stretch across pre-qualification, site visits, clarification questions, programme negotiation and contract review.
What they buy
Most firms in this segment tend to spend on tools and services that help them win work, control sites and get paid. Common software categories include estimating, take-off, tender management, project scheduling, document control, job costing, accounting, payroll, Construction Industry Scheme administration, CRM, asset tracking and health-and-safety record keeping. Site operations also create demand for fleet services, plant hire, materials supply, PPE, waste management, temporary labour, training, insurance, legal support and debt recovery. Contractors with more subcontracted delivery may need supplier onboarding, proof-of-competence tracking and payment workflow tools. Firms doing public-sector or higher-risk work are more likely to buy support for policies, method statements, quality records and audit trails.
Why and how to sell to them
Construction buyers tend to evaluate new suppliers when administration starts to threaten margin or eligibility for work. Useful triggers include a run of tender wins, entry onto a framework, taking on larger subcontract packages, a new commercial or operations lead, insurance renewal, late-payment pressure, an HSE visit, or a shift into work that demands tighter evidence of competence. Outbound messaging usually lands better when it attaches to a project problem: fewer missed variations, faster applications for payment, cleaner site records, lower rework, better subcontractor visibility or less time spent assembling tender packs. Generic efficiency claims are easy to ignore; evidence tied to cash collection, compliance evidence or programme certainty is more relevant.
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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