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Mining Companies in Cardiff: 30 Active Firms (2026)
Mining companies extract, quarry and process minerals, aggregates and related materials across Cardiff and its surrounding metropolitan area.
Buying centres in Cardiff’s minerals market tend to sit with construction procurement teams, civil engineering project managers, utilities contractors and public-sector estates or highways functions. Purchases are less like software subscriptions than site-based supply and service agreements: aggregates, stone, sand and gravel, plant access, materials handling, haulage, subsidence assessment and remediation. The buyer is usually a business or public body rather than a consumer, with engagements ranging from ad hoc site clearance and specialist surveys to longer materials-supply or quarry-services contracts tied to infrastructure and development schemes.
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Cardiff’s active mining and extractives cohort is compact, with 30 trading companies. Reported employment totals 671 people, so the footprint is visible in local industrial services without resembling the labour scale of larger manufacturing or logistics clusters. Turnover is also concentrated: 1 company reports more than £5M, while most of the cohort appears to sit below that threshold. Formation activity is modest, with 3 companies incorporated since 2022, suggesting a market shaped more by established site rights, equipment and permissions than by frequent new company creation.
Mineral extraction in Wales sits inside a planning-and-permitting chain, not a universal licence. Operators generally need landowner agreement, planning permission from the relevant mineral planning authority and activity-specific environmental permits, with Natural Resources Wales central for Welsh sites. Marine extraction adds marine licensing, while coal exploration and access through coal seams sits with the Mining Remediation Authority. Active mines and quarries are also subject to health and safety oversight by the Health and Safety Executive, which keeps operational compliance close to plant, ground conditions and worker exposure rather than only to corporate registration.
Local operators appear likely to remain asset-constrained and permission-led. Entry tends to be slower where quarry rights, environmental permits, access agreements and plant requirements matter more than sales hiring. Demand should track construction, highways maintenance, utilities work and remediation cycles, leaving smaller suppliers exposed to pauses in local projects. Consolidation may continue where operators need steadier feedstock, haulage capacity or compliance capability, although the Cardiff cohort still looks weighted towards specialist, locally embedded firms rather than broad national platforms.
30
Active firms
2026
1
£5M+ turnover
Cardiff sample
3
Recent incorporations
Since 2022
Key facts
About 3% of the trading cohort reports turnover above £5M (1 of 30 firms) — the rest sits below that revenue band.
10% of the cohort was incorporated since 2022 (3 firms), so a sizeable share is in its first few filing cycles.
UK extractive-industry GVA was £28 billion in 2024, down from £32 billion in 2023, with oil and gas production and associated support service activities accounting for over 95% of sector GVA.
Minerals extraction generally needs landowner agreement, planning permission from the relevant mineral planning authority and any required regulatory permits.
In Wales, permits may involve Natural Resources Wales, while active mining and quarrying operations in Great Britain are regulated for health and safety by the Health and Safety Executive.
Coal exploration and extraction licences, plus agreements to enter or pass through coal seams, are granted by the Mining Remediation Authority.
Top Cardiff Mining companies
Trajectory
2y · 2022–NowFinancial Health
Insufficient historyInsufficient history
Location
BAU SOLUTIONS LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides industrial, mining, and IT services including equipment maintenance, final drive overhauls, pump and rock breaker servicing, conveyor and crusher maintenance, custom hose fabrication, fuel…
Serves B2B customers in mining, heavy industry and industrial operations, including equipment-intensive sites, fuel and lubricant depots, and businesses with IT-dependent workflows.
Financial Health
StableStable
Location
SRK Consulting (GLP)
Provides consulting and technical advisory services to the mining and mineral exploration industry, including geology, resource estimation, mine engineering and design, water management,…
Serves mining and mineral exploration companies, mine operators, investors and project developers in the earth and water resource industries, including clients involved in mineral assets and mine…
Location
Maelgwyn Mineral Services Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsDevelops and supplies mineral processing technologies and equipment, including Aachen high shear reactors and Imhoflot flotation systems. Provides processes such as the Leachox method and laboratory…
Serves mining and mineral-processing companies, especially operators processing gold-bearing sulphide concentrates and other ores, plus chemical and waste-processing organisations requiring…
Financial Health
StrongStrong · Hiring · 8% CAGR over 2y
Location
CDI LIMITED
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsDesigns and manufactures mobile and stationary material handling machinery, including crushers, screens, conveyors, feeders, blenders, and washing systems. Supplies equipment for recycling,…
Serves businesses in material handling, agriculture and recycling, including site operators, OEM partners and dealers/distributors needing mobile or stationary processing plant solutions.
Financial Health
DistressedDistressed · -13% CAGR over 2y
Location
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsFinancial Health
HealthyHealthy · 0% CAGR over 1y
Location
Kariba Resources Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed
Location
Aggregates Express Quarry Products Ltd
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsOperates a limestone quarry producing primary aggregates for construction. Extracts, crushes and processes quarried stone and plans recycling of construction and demolition waste to manufacture…
Sells to construction-sector businesses and contractors needing aggregates for local highways, residential, commercial and industrial projects, particularly in Rhondda Cynon Taf and the Vale of…
Financial Health
DistressedDistressed · 40% CAGR over 1y
Location
Gryphonn Quarries Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsOperates a limestone quarry producing and supplying aggregates, fill materials, sub‑bases, dust and blockstone for construction and civil engineering. Processes, loads and dispatches quarried…
Serves civil engineering contractors, construction firms, DIY builders and soil improvers, primarily in the South and Mid Wales area.
Financial Health
HealthyHealthy · Growing · 0% CAGR over 4y
Location
Bryn Aggregates Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsQuarries and supplies construction aggregates including sandstone dust, sand, recycled and virgin Type 1 sub-base, graded chippings, walling and rockery stone, and high‑specification PSV68 road…
Serves building contractors, infrastructure and road surfacing teams, landscapers, and homeowners undertaking DIY projects, primarily for construction and landscaping projects across South Wales and…
Financial Health
WeakWeak · 0% CAGR over 2y
Location
GREEN CIRCLE CONCRETE LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsSupplies ready-mix and volumetric concrete, concrete blocks, aggregates, quarry stone and screened topsoil for construction and landscaping. Operates a limestone quarry, produces recycled aggregates,…
Serves builders, landscapers, contractors and homeowners across South Wales, including Cardiff, Barry, Bridgend and surrounding areas, for domestic, commercial, highway and utility projects.
Financial Health
StableStable · Hiring · 6% CAGR over 4y
Location
Bryn Recycling Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsOperates waste management and recycling facilities handling non‑hazardous construction and municipal waste, sorting materials for reuse and energy recovery. Produces recycled aggregates and quarried…
Serves local councils, utility companies, construction industry buyers, businesses, communities and private customers in South Wales, combining public-sector and commercial contracts with public site…
Financial Health
WeakWeak · Hiring · 5% CAGR over 2y
Location
PANTMAWR LIME COMPANY LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed
Location
Aggregates Express Ltd
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsSupplies construction aggregates including Type 1 slag, crusher run, sand, stone dust, gabion stone, topsoil and recycled aggregates. Provides bulk delivery using tipper trucks and offers muck away…
Serves construction, civil engineering, groundwork and landscaping customers with site-based bulk aggregate needs across South Wales, including trade contractors and site operators.
Financial Health
StableStable · -20% CAGR over 2y
Location
Hougamont Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsManufactures and supplies concrete building products including precast blocks, paving slabs, decorative paving, walling units, copings and sills. Also produces and sells quarried aggregates and…
Serves construction and landscaping businesses, builders’ merchants, contractors and sitework/public-realm projects, with an emphasis on customers in South Wales.
Financial Health
WeakWeak · -10% CAGR over 4y
Location
T.S. REES (TONMAWR QUARRY) LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StrongStrong · Hiring · 11% CAGR over 4y
Location
Bluecap Resources Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsDevelops and applies mineral processing technology to recover metals from mine waste, tailings ponds and slag heaps, reprocessing legacy mining residues to produce metal feedstocks while remediating…
Serves B2B customers in mining, metals and waste-recovery sectors, particularly owners or operators of mine waste dumps, tailings ponds and slag heaps seeking environmental remediation and value…
Financial Health
StrongStrong · Growing, Hiring · 63% CAGR over 2y
Location
Onyx Luxury Stone Ltd
Trajectory
1y · 2024–NowFinancial Health
Insufficient historyInsufficient history
Location
Garth Isaf Estates Limited
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsProvides transport and haulage services including supply and delivery of aggregates, muck shifting, plant hire, waste management and recycling, and agricultural contracting, supporting construction…
Serves B2B customers in construction, civil engineering, quarrying and agriculture, including contractors and site operators needing aggregates supply, muck shifting, plant hire, transport, waste…
Financial Health
DistressedDistressed
Location
CRUSHER SPARES LIMITED
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsSupplies replacement parts and components for jaw, cone and impact crushers, including feeder parts and grizzly feeders. Also sells refurbished crushers and provides crusher refurbishment, pattern…
Serves B2B operators and maintenance teams using jaw, cone and impact crushers, including quarrying, aggregate, demolition and recycling businesses in the UK and worldwide.
Financial Health
StableStable · -78% CAGR over 3y
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
EARTH SCIENCE PARTNERSHIP LTD
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides engineering geology and environmental consultancy services, including site investigations, geotechnical engineering, contaminated land and coal mining risk assessments, flood risk and…
Serves public and private sector clients of varying sizes in land development, ground engineering, infrastructure, remediation, rail, quarrying/mining and environmental projects across the UK and…
Financial Health
HealthyHealthy · Hiring · 3% CAGR over 4y
Location
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDesigns and supplies bulk materials handling equipment and systems for rail and stockyard operations, including train unloading systems and electrical and control systems. Provides engineering…
Serves B2B industrial operators in the bulk materials handling sector, particularly organisations running train unloading and stockyard facilities.
Financial Health
StableStable
Location
J E D Crushing & Screening Limited
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsFinancial Health
HealthyHealthy · Growing · 0% CAGR over 1y
Location
MERTHYR (FFOS-Y-FRAN) LIMITED
Trajectory
5y · 2021–NowFinancial Health
Insufficient historyInsufficient history
Location
Taz Rock Services Ltd
Trajectory
5y · 2022–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed
Location
Adeptomines Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed
Location
TUNNEL ENGINEERING SOLUTIONS LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsFinancial Health
WeakWeak
Location
T.S. REES LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StableStable · 0% CAGR over 4y
Location
FFOS-Y-FRAN (COMMONERS) LIMITED
Trajectory
5y · 2021–NowFinancial Health
Insufficient historyInsufficient history
Location
CAEGLAS COLLIERY CO LIMITED (THE)
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StrongStrong
Location
MSA MINING CONSULTING UK LTD
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsProvides technical consultancy services to the mining industry, including geological exploration, mineral resource and reserve estimation, mining studies, environmental assessments, project…
Serves international mining-sector organisations, including major mining companies, junior explorers and miners, private equity funds, sovereign wealth funds, state-owned enterprises and commodity…
Financial Health
WeakWeak · -14% CAGR over 1y
Location
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How Cardiff Mining companies work and how to sell to them
What they do
Mining and extractives businesses in Cardiff earn revenue from physical throughput and site work rather than recurring software-style contracts. Typical income comes from supplying aggregates, stone, sand or gravel by volume, processing material to specification, charging for plant and operator time, arranging haulage, or undertaking survey, clearance, subsidence and remediation jobs. Pricing is usually quote-led, with tonnage, haulage distance, waste handling, access constraints and compliance obligations shaping the margin. Some firms sit as subcontractors to construction or utilities primes; others trade more directly with local projects that need dependable material supply, site access knowledge and evidence that extraction or remediation activity is permitted.
Who they sell to
Most Cardiff minerals suppliers sell to construction contractors, groundwork specialists, civil engineering firms, utilities contractors, developers, highways teams and public-sector estates functions. The practical buyer is often a project manager, quantity surveyor, procurement manager or commercial lead, with health and safety and environmental roles influencing approval where site risk is material. Sales cycles can be short for urgent material call-offs, but framework awards, remediation projects and infrastructure work tend to involve tenders, insurance checks, method statements and site visits. Buyers typically compare delivered cost, material suitability, haulage reliability, permit position and the supplier’s ability to keep records suitable for public or contractor audit.
What they buy
Spend tends to follow the quarry, yard and fleet. Mining and extractives firms usually buy plant maintenance, parts, fuel management, tyres, mobile equipment hire, weighing and dispatch systems, route planning, fleet telematics, job-costing, accounting and payroll tools. Compliance creates demand for environmental monitoring, dust and noise assessment, geotechnical advice, planning support, health and safety training, document control, insurance broking and legal services. Larger operators may also buy customer portals, tender support, credit control and management reporting, but most purchasing still has to justify itself against downtime, haulage cost, safety exposure or the administrative burden of proving that site work is authorised.
Why and how to sell to them
Buying intent often appears when a supplier wins a new construction or utilities package, adds plant, changes premises, varies a permit, faces an HSE inspection, or takes on work that needs better evidence trails. Cardiff mining buyers tend to be pragmatic: messages about generic productivity usually land less well than a clear link to fewer stoppages, faster tickets, cleaner audit packs, safer site access or lower haulage leakage. Outbound should identify the operating trigger first, then map the offer to a specific cost or compliance pressure. Proof points matter, particularly where the buyer is passing risk up to a main contractor or public authority.
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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