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Groundworks Companies in Cardiff: 164 Active Firms (2026)
Groundworks contractors in Cardiff prepare sites, install drainage, foundations and hard landscaping across the metropolitan area.
Buying decisions tend to sit with construction managers, housebuilding supply chains, property managers and public-sector estates teams rather than a single facilities budget holder. Cardiff-area contractors in this field usually sell tendered project packages, often covering several adjacent trades: site preparation, drainage, foundations, paving, retaining works, soft landscaping and maintenance. The commercial motion is practical and local, with plant availability, supervisor capacity, subcontractor coordination, insurance, safety paperwork and programme reliability shaping the shortlist. Engagements appear regional in scope, closer to repeat enabling works and estate packages than national framework portfolios.
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Cardiff has 164 actively trading groundworks contractors in this list, making it a compact regional cohort rather than a broad national market. Reported headcount totals 338, with all 104 firms that disclose employment showing some staff on payroll. The company base is skewed towards smaller operators: only 2 firms report turnover above £5M, while 45 were incorporated since 2022. That mix points to a market with frequent new entrants, but relatively few contractors with the balance sheet and management capacity to take on larger multi-site packages.
Work is shaped less by a single sector regulator than by construction procurement, planning conditions, building-control sign-off, utilities interfaces and site safety requirements. Public-sector and housebuilding clients tend to ask for evidence of insurance, competent supervision, method statements and prior delivery on comparable sites before awarding work. Drainage, retaining structures, excavations and hard landscaping also sit close to neighbouring trades, so margins can depend on how well contractors price ground risk, programme delays and subcontracted plant. In Cardiff and the surrounding South Wales commuter belt, repeat regional relationships appear important, but tender discipline still matters.
The Cardiff cohort appears weighted towards owner-managed and early-commercial contractors, with scale-up scarcity likely to remain a constraint. Demand tends to follow local construction cycles, public estate maintenance and housebuilding pipelines, so workloads can be lumpy even where repeat relationships exist. Contractors with better site supervision, documented safety processes and plant coordination should be better placed to win repeat work, but pricing pressure is unlikely to disappear. Consolidation may come through subcontracting networks and informal preferred-supplier relationships rather than formal mergers.
164
Active firms
2026
2
Above £5M
reported revenue
45
Since 2022
new incorporations
Key facts
About 1% of the trading cohort reports turnover above £5M (2 of 164 firms) — the rest sits below that revenue band.
27% of the cohort was incorporated since 2022 (45 firms), so a sizeable share is in its first few filing cycles.
Groundworks contractors sit at the start of the construction sequence, preparing sites before later trades can begin.
Typical work includes site preparation, drainage runs, foundations and external hard-landscaping packages across Cardiff.
Slippage in ground conditions, drainage runs or foundation works tends to move through the rest of the build programme.
Project-based delivery appears common, with a mix of labour-light contracting structures and firms that keep more delivery capacity in-house.
Top Cardiff Groundworks companies
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
Laurel Landscapes (UK) Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides landscape construction and maintenance services, including hard and soft landscaping, sports and play area installation, and grounds maintenance. Works on projects such as school grounds and…
Serves schools and other organisations in Wales and South West England needing landscaping, sports/play facilities and grounds maintenance projects, from small works to larger contracts.
Financial Health
StrongStrong · Growing · 2% CAGR over 4y
Location
Tree Squadron Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides arboricultural and landscape services including tree removal, tree pruning, stump grinding, hedge trimming, tree planting, and tree surveys. Also carries out high‑access tree surgery, site…
Sells to homeowners, landlords, commercial sites, schools, park managers and estate owners across Cardiff, Newport, Penarth and South East Wales with tree and grounds maintenance needs.
Financial Health
HealthyHealthy · Hiring · 32% CAGR over 4y
Location
Crown Gardens Cardiff Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides commercial grounds maintenance services including grass cutting, landscape upkeep, litter picking, mechanical sweeping and bin emptying. Also offers ecological consultancy such as habitat…
Serves public-sector bodies and commercial organisations across South Wales and the West Country, including government organisations, local authorities, schools, and local or nationwide businesses…
Financial Health
DistressedDistressed · -6% CAGR over 4y
Location
Element Surfacing Ltd
Trajectory
3y · 2021–NowFinancial sub-scores
Computed from 3 filingsProvides installation of resin bound surfacing for residential and commercial properties, including driveways, patios, pathways, pool surrounds and landscaping areas. Offers bespoke designs and…
Serves homeowners and commercial clients in Cardiff, including property owners needing driveways, patios, pathways, pool surrounds, car parks and other external paved areas.
Financial Health
DistressedDistressed · 0% CAGR over 4y
Location
Truss Landscaping And Building Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed · 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
Paul Brain Landscapes Limited
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsProvides landscaping services including garden design, hard and soft landscaping, paving, fencing, planting and turf installation. Also offers garden maintenance and outdoor space improvements for…
Serves homeowners, private property owners and commercial clients in Cardiff with gardens or outdoor spaces requiring landscaping or ongoing maintenance.
Financial Health
StableStable · 0% CAGR over 3y
Location
JUST GREAT SERVICE LTD
Trajectory
1y · 2025–NowFinancial Health
Insufficient historyInsufficient history
Location
Pithers Construction and Landscaping Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
HealthyHealthy · 0% CAGR over 4y
Location
Master Maintenance Ltd
Trajectory
5y · 2022–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
WeakWeak · -10% CAGR over 4y
Location
Silver Birch Carpentry and Landscaping Ltd
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsFinancial Health
HealthyHealthy · 0% CAGR over 2y
Location
MPC Water Treatment Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides installation, maintenance, repair and monitoring of septic tanks, sewage treatment plants and pump stations. Offers tankering and desludging, drainage works, system health checks, compliance…
Serves UK homeowners, property managers, developers, commercial customers and municipal water company supply chains needing support for off-mains drainage, septic tanks, sewage treatment plants and…
Financial Health
WeakWeak · 0% CAGR over 4y
Location
OFFERSERVE LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StableStable · Hiring · 6% CAGR over 4y
Location
Vale Knotweed Solutions Limited
Trajectory
1y · 2025–NowFinancial Health
Insufficient historyInsufficient history
Location
GREENHURST HOLDINGS LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StableStable
Location
RENT-A-PLANT LIMITED
Trajectory
5y · 2022–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StrongStrong
Location
RSM Builders Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StableStable · 0% CAGR over 4y
Location
NPGH LTD
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsFinancial Health
StableStable · 0% CAGR over 3y
Location
Presdee And Sons Limited
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsFinancial Health
StableStable
Location
BESPOKE GARDENS GROUP LTD
Trajectory
1y · 2025–NowFinancial Health
Insufficient historyInsufficient history
Location
Downlands Way Residents Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StrongStrong
Location
A F Gardening Limited
Trajectory
2y · 2023–NowFinancial sub-scores
Computed from 2 filingsFinancial Health
DistressedDistressed · 0% CAGR over 1y
Location
MERVYN WATKINS ASSOCIATES LIMITED
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsFinancial Health
DistressedDistressed · -78% CAGR over 3y
Location
Grand Landscapers Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed
Location
Overland LC Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed · -7% CAGR over 4y
Location
PLAZA BUSINESS SERVICES LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed
Location
SOUTH WALES PROPERTY SOLUTIONS LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides property maintenance and building services for domestic and commercial clients, including plumbing, electrical work, gas servicing, landscaping, property clearance, external cleaning,…
Serves domestic homeowners, landlords and commercial property owners/managers across the M4 Corridor and surrounding areas, from Pembrokeshire to Swindon.
Financial Health
StableStable
Location
Eris Landscapes Ltd
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsFinancial Health
StableStable · 0% CAGR over 1y
Location
Goldleaf Landscapes (Cardiff) Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsFinancial Health
HealthyHealthy · -29% CAGR over 2y
Location
GOS SERVICES LTD
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsFinancial Health
DistressedDistressed
Location
Maytree Contracts Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides demolition, groundworks, landscaping and plant hire services for construction projects. Supports residential, commercial, education and charity sector developments with site preparation,…
Serves B2B and institutional clients in residential and commercial property, education and charity sectors, including developers, main contractors, property managers, schools and charitable…
Financial Health
WeakWeak · 0% CAGR over 4y
Location
WM Garden Services Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides landscaping and civil construction services including playground construction and maintenance, safety surfacing, fencing, sports courts, MUGA and skate parks, artificial turf installation,…
Serves mainly B2B and public sector buyers in South Wales, especially local authorities, schools, nurseries, trusts, play equipment manufacturers, construction and property maintenance firms, while…
Financial Health
StrongStrong · Growing, Hiring · 5% CAGR over 4y
Location
Kingsley Build Group Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides construction and outdoor building services including domestic and commercial fencing, decking, garden rooms, gates, landscaping, demolition, groundworks, and property maintenance, as well as…
Serves a mix of B2C homeowners and B2B commercial, industrial and construction clients, including organisations managing residential projects, property maintenance, highways works and site security…
Financial Health
StrongStrong · Hiring · 14% CAGR over 4y
Location
Llanscapes UK Limited
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsProvides landscaping services including hard and soft landscaping, paving, planting, fencing, decking, and driveway installation. Also undertakes biodiversity and habitat enhancement projects for…
Serves private homeowners, local authorities, schools and developers across South Wales, including the Vale of Glamorgan and Bridgend, from residential gardens to large-scale public works.
Financial Health
StrongStrong
Location
LAYMAK SWEEPER HIRE LTD
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides tarmacadam and surfacing services including highway, footway and driveway resurfacing, railway platform surfacing, and hand or machine laid tarmac. Also offers road sweeper hire and cleaning…
Serves homeowners, businesses, construction clients and local authorities in Merthyr Tydfil and across South Wales, including buyers responsible for driveways, car parks, highways, footways and…
Financial Health
StableStable · 0% CAGR over 5y
Location
D.g & Sons Building & Engineering Contractors Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
HealthyHealthy · 0% CAGR over 4y
Location
CAREL CONSTRUCTION & LANDSCAPING LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed · -61% CAGR over 4y
Location
Norton Property Services Limited
Trajectory
1y · 2025–NowFinancial Health
Insufficient historyInsufficient history
Location
Stenis Property Maintenance Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsFinancial Health
DistressedDistressed · 0% CAGR over 2y
Location
Me Lah Group Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides construction services for residential and commercial developments, including enabling works, site clearance, builders’ works and diamond drilling, and planned or reactive maintenance and…
Serves B2B clients in the residential and commercial property sectors, including developers, main contractors and site owners needing construction, maintenance, refurbishment and small works support.
Financial Health
StableStable · -16% CAGR over 4y
Location
Jlex Ltd
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsFinancial Health
DistressedDistressed · 0% CAGR over 2y
Location
Tredomen Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides landscaping and arboriculture services, including landscape installation, fencing, and outdoor space design. Works on commercial landscapes, public parks, heritage sites, and private…
Serves businesses, public bodies, heritage organisations and private clients needing outdoor space projects, with customers highlighted across Wales and the South West of England.
Financial Health
WeakWeak · 0% CAGR over 4y
Location
PRICE FENCING & LANDSCAPING LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides design, manufacture, survey and installation of fencing and landscaping for commercial, industrial, agricultural and domestic sites, including security fencing, railings, gates and barriers,…
Serves construction and civil engineering contractors, commercial and industrial sites, rural/agricultural customers and domestic homeowners, including major UK construction firms.
Financial Health
HealthyHealthy · Hiring · 6% CAGR over 4y
Location
P&G Landscapes Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
WeakWeak · 0% CAGR over 4y
Location
Trivett Contracting Ltd
Trajectory
1y · 2025–NowFinancial Health
Insufficient historyInsufficient history
Location
Cynon Contract Services Ltd
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsFinancial Health
DistressedDistressed · 0% CAGR over 1y
Location
FRANCASS SPECIALIST GROUND AND HAULAGE WORKS LIMITED
Trajectory
1y · 2025–NowFinancial Health
Insufficient historyInsufficient history
Location
Abel Construction Group Ltd
Trajectory
1y · 2024–NowFinancial Health
Insufficient historyInsufficient history
Location
A R DRAINAGE SOLUTIONS LTD
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides drainage and water management services including emergency drain unblocking, CCTV drain surveys, jetting, relining, drain installation and mapping, vacuum tanker operations, and maintenance…
Serves domestic, commercial and infrastructure clients across Wales and England, including homeowners, property managers, developers and organisations responsible for drainage, water and flood-risk…
Financial Health
StrongStrong · Growing, Hiring · 11% CAGR over 4y
Location
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How Cardiff Groundworks companies work and how to sell to them
What they do
Cardiff groundworks contractors earn most revenue through priced project packages rather than recurring subscriptions or licence fees. Work is usually quoted against drawings, bills of quantities, site visits and risk allowances, then delivered through a mix of employed crews, hired plant, bought-in materials and specialist subcontractors. Fixed-price packages are common, but dayworks, compensation events and variations matter where ground conditions, utility conflicts or programme changes alter the scope. Landscaping and maintenance add a more repeatable revenue line for some operators, particularly with property managers and estates teams, while core civils work remains tied to construction starts and phased site delivery.
Who they sell to
Most buyers are construction-led rather than facilities-led: main contractors, housebuilders, developers, property managers and public-sector estates teams. The practical decision is often shared between a contracts manager, site manager, quantity surveyor and procurement contact, with finance involved where credit terms or retention exposure are material. Smaller jobs may be won through direct relationships and fast quoting, while larger packages tend to involve invited tender, pre-qualification, method statements, insurance checks and commercial negotiation. Sales cycles vary with the project programme; urgent remedial work can move quickly, but planned enabling works usually follow the wider build timetable.
What they buy
Most groundworks firms tend to spend on plant hire, aggregates, drainage products, surfacing materials, waste removal, fuel, haulage, insurance and subcontract labour before they buy office software. Useful outbound categories include estimating and take-off tools, tender tracking, job costing, workforce scheduling, fleet and asset management, health-and-safety documentation, payroll, accounting, credit control and mobile site reporting. Recruitment and training services can fit where supervisor capacity is the constraint. Legal, tax and insurance services also have a place because contract terms, retentions, defects liability and public-sector compliance can affect cash flow as much as headline margin.
Why and how to sell to them
Margin pressure usually comes from mispriced ground risk, weather delays, labour availability, plant utilisation, late design changes and slow payment. Groundworks buyers tend to evaluate suppliers when they win a larger package, take on a new site supervisor, add plant, enter a public-sector procurement route or start losing time to paperwork and variation disputes. Outbound works better when it is tied to project control rather than generic efficiency: faster tender response, clearer evidence for applications for payment, fewer missed variations, safer site records and better visibility of crew and plant utilisation across Cardiff and nearby South Wales jobs.
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.
Also in Cardiff
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Frequently asked questions
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