Cloburn Quarry

What Cloburn Quarry does

Cloburn Quarry Company Ltd operates one of the UK's largest mainland granite quarries at Lanark, South Lanarkshire, extracting and processing a distinctive red granite — marketed as "Lanark Red" — formed millions of years ago from molten lava. Its product portfolio spans five core aggregate size grades (6mm, 8mm, 10mm, 14mm, 20mm), Network Rail approved railway track ballast (since 1896), specialty products (Granitsand paving bedding, Firechip for golf pathways, Cresta sports surfaces, SUDS drainage aggregates, MOT construction materials), and gritting products used at major airports. Through its wholly owned Granitmix subsidiary, the company also manufactures and delivers ready-mix concrete in commercial, industrial, agricultural, housing, and GranitFlow self-compacting / screed formulations within a 25-mile radius of Lanark plus Edinburgh and Glasgow.

Cloburn's business model is fundamentally a B2B-heavy materials business with a long tail of consumer retail through e-commerce. Revenue is generated through one-time unit sales of aggregates (by bulk bag ~850kg at £60–£86, loose tipped loads at ~£45.60/tonne), ready-mix concrete (by cubic metre), and railway ballast (by bag, bulk bag, or tonne to Network Rail, heritage railways, and engineering contractors). Distribution is multi-modal: own-site collection, road haulage including return-load services for England, Wales and Ireland, sea freight from Leith Docks for global customers, and — most distinctively — rail freight through the company-owned Ravenstruther Rail Terminal on the West Coast Main Line, which loads approximately five trains per week at 30+ wagons / 500 tonnes each.

The company serves a diverse customer base including domestic homeowners, commercial contractors, builders' merchants, Network Rail and heritage railways, golf courses such as Gleneagles and Turnberry, heritage sites including New Lanark World Heritage Centre and Dumfries House, airports including Heathrow and Gatwick, and large wind farm developers (Jones Bros, RJ McLeod, AE Yates). Cloburn is ISO 9001:2008 certified, BSI registered, and operates its own UKAS-accredited laboratory for materials testing. The company is privately owned by Wm Hamilton & Sons Ltd, a Scottish haulage and environmental services firm, and is led by Managing Director Stuart Clingan.

Name

Cloburn Quarry

Legal name

Cloburn Quarry Company Ltd

Website

https://cloburn.co.uk

Company type

Private

Founded year

1896

Operating status

Operating

Headcount range

11–50 employees

Short description

Cloburn Quarry Company Ltd is one of the UK's largest mainland granite quarries, extracting and processing distinctive "Lanark Red" granite into aggregates, ready-mix concrete, railway ballast, and specialty construction products for domestic, commercial, rail, and infrastructure customers across the UK and internationally.

Ownership category

akta.pro rank

Product category

Construction Aggregates

NAICS

Crushed and Broken Granite Mining and Quarrying (212313), Nonmetallic Mineral Mining and Quarrying (2123), Stone Mining and Quarrying (21231)

SIC

Mining & Quarrying Of Nonmetallic Minerals (No Fuels) (1400)

akta.pro primary industry

Crushed Stone Quarrying & Processing (IMAKAHAA)

akta.pro secondary industries

Granite Quarrying & Dimension Stone Fabrication (IMAKAHAD), Rock Excavation, Blasting & Quarry-Assist Works (IMAFAKAE), Construction Aggregates Mining & Processing (Sand, Gravel, Crushed Stone) (IMADAAAI)

Keywords

• Red granite aggregates
• Railway track ballast
• Ready-mix concrete
• Quarry products
• Surface dressings

Headquarters

HQ city

Lanark

HQ country

United Kingdom

HQ region

Europe

Offices2 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Operations, Infrastructure, Supply Chain, Personnel, Technology or R&D, Marketing or Sales

Revenue model

1. Aggregate Sales: One-time sales of red granite aggregates in various sizes (6mm, 8mm, 10mm, 14mm, 20mm) sold in 20kg bags, bulk bags (~850kg), or loose tipped loads. Revenue from domestic landscaping, commercial landscaping, and construction projects.
2. Ready-Mix Concrete: Manufactured and delivered ready-mix concrete through subsidiary Granitmix. Includes standard ready mix, GranitFlow self-compacting concrete, and GranitFlow screed. Sold by cubic metre with precise mixtures to suit customer specifications.
3. Railway Track Ballast: Network Rail approved rail ballast supplied to Network Rail, heritage railway companies, construction and engineering companies. Sold by bag, bulk bag, or loose load by the tonne. Approximately five trains per week with 30+ wagons taking 500 tonnes.
4. Specialty Products: Specialty products including Cresta (sports surfaces), Firechip (golf pathways), Granitsand (paving bedding), SUDS aggregates, MOT construction materials. Sold in various packaging options.

Pricing tiers

Go-to-market motion2 records

Distribution channels7 records

Marketing channels7 records

Core offering

Cloburn Quarry extracts and processes red granite from its Lanarkshire deposit to produce graded construction aggregates (6mm–20mm), railway track ballast, ready-mix concrete (including the GranitFlow self-compacting range), interlocking concrete blocks, and ancillary products such as gritting materials, MOT, and SUDS aggregates. The quarry has supplied materials continuously since 1896 and serves commercial, infrastructure, and domestic landscaping customers across the UK and overseas.

Product overview

Cloburn Quarry is Europe's premier red granite quarry producing a comprehensive portfolio of construction and landscaping materials. The core offering comprises red granite aggregates in multiple size variants (6mm, 8mm, 10mm, 14mm, and 20mm), complemented by specialized products including Cresta™ for sports surfaces, Granitsand™ for paving bedding, Firechip™ for golf paths and amenity areas, and Network Rail approved railway track ballast. The company operates Cloburn SUDS for sustainable drainage and provides MOT-approved construction aggregates, interlocking concrete blocks, and fine aggregates. Through subsidiary Granitmix™, Cloburn offers ready-mix concrete products including GranitFlow self-compacting concrete and GranitFlow anhydrite screed, available in commercial, agricultural, housing, and industrial formulations. Additional services include wind farm aggregate supply, free sample delivery, an online aggregate calculator, and nationwide delivery via road, rail, or sea through the Ravenstruther Rail Terminal.

Differentiator

Problem solved

Functional benefit

Brands

• Granitmix: Ready-mix concrete subsidiary company supplying premium concrete mixes for domestic, commercial, agricultural, and industrial use in Lanarkshire and Borders region.
• Lanark Red
• Red Granite Cresta
• Granitsand
• Red Granite Firechip
• GranitFlow

Products and services

• Red Granite Aggregates (graded range)
• 6mm Red Granite Aggregate
• 8mm Red Granite Aggregate
• 10mm Red Granite Aggregate
• 14mm Red Granite Aggregate
• 20mm Red Granite Aggregate
• Red Granite Cresta
• Granitsand
• Red Granite Firechip
• Railway Track Ballast
• Cloburn SUDS Aggregate
• Interlocking Concrete Blocks
• Fine Aggregates
• Gritting Materials
• MOT Aggregates
• High Specification Concrete Aggregates
• Red Asphalt Aggregate
• Wind Farm Aggregates & Concrete
• Granitmix Ready Mix Concrete
• GranitFlow Concrete (self-compacting)
• GranitFlow Screed
• Commercial Ready Mix Concrete
• Agricultural Ready Mix Concrete
• Housing Ready Mix Concrete
• Industrial Ready Mix Concrete
• Free Sample Service
• Aggregate Calculator

Quantifiable outcome

• Products have been used worldwide including Japan, USA, Holland and Germany
• +4 more outcomes

Named customers12 records

Segments6 records

Ideal customer profiles5 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

Two partnerships are on record, tiered core.

• Network RailcoreOthersApproved supplier of railway track ballast. Only a couple of quarries in the UK supply Network Rail approved ballast. Products widely used on the UK rail network.
• Builders' MerchantscoreChannel Partner/ Reseller/ DistributorLanark Red available from builders' merchants throughout the UK. Trade distribution channel for domestic and commercial customers.

Scale indicators7 records

Recent moves7 records

Expansion highlights7 records

Emerging players

• Gallagher Group: Kent-based independent quarry and construction materials business supplying aggregates, ready-mix concrete, and contracting services. Comparable to Cloburn as a private, integrated quarry-concrete player with regional focus.
• Long Rake Spar Company: UK specialist mineral producer with quarrying and processing operations serving decorative, sports, and industrial aggregate markets. Comparable to Cloburn in producing decorative and specialty aggregate products (similar to Cresta and Firechip).

Others

• Mining Searches UK: UK provider of mining and quarrying due diligence, environmental, and geological search reports. Adjacent/ecosystem participant serving the aggregates and quarrying sector; comparable to Cloburn only as a sector stakeholder rather than a direct competitor.
• Networking Rail (procurement counterparty): Not a peer but the largest customer of Cloburn's premium rail ballast. Included to anchor the procurement counterparty and end-market dependency for ballast, which is a defining commercial relationship for Cloburn.

Broad incumbents

• Tarmac (CRH): UK's largest provider of sustainable building materials, operating a nationwide network of quarries producing crushed aggregates, asphalt, and concrete. A broad incumbent competing with Cloburn in aggregates, ready-mix concrete, and rail ballast under a much wider product umbrella.
• Aggregate Industries: One of the UK's largest aggregate, concrete, and asphalt producers, owned by LafargeHolcim. Directly comparable to Cloburn across crushed granite, ready-mix concrete, and rail ballast, but at vastly greater scale and as part of a diversified building materials portfolio.
• Hanson UK (Heidelberg Materials): Major UK producer of aggregates, concrete, and cement, part of Heidelberg Materials. Overlaps with Cloburn in granite aggregates and ready-mix concrete, supplying much of the same construction and infrastructure customer base.

Direct peers

• Breedon Group: UK-listed vertically integrated construction materials group operating over 100 quarries producing aggregates, asphalt, and ready-mixed concrete. Closest direct comparable to Cloburn in product mix, with overlapping rail ballast and decorative aggregate exposure; key difference is Breedon's much larger scale and listed status.

Regional players

• John Wainwright & Co: Independent UK quarry and aggregate supplier operating in the North West of England. Comparable to Cloburn as a privately held independent quarry serving regional construction and agricultural customers with crushed stone products.
• Lavender International Sports Park / Bardon Hill Quarry: Regional granite quarry operations supplying construction aggregates and specialty stone products within the UK. Operates at similarly focused regional scale to Cloburn, with comparable product lines and customer types (builders' merchants, contractors).

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/cloburnquarry
• LinkedInlinkedin.com/company/cloburn-quarry-company
• Instagraminstagram.com/cloburnquarry
• Xx.com/CloburnQ

Compliance4 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Subsidiaries1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Cloburn Quarry