Northstone (NI) Limited

What Northstone (NI) Limited does

Northstone (NI) Limited, doing business as Northstone Materials, is a Northern Ireland-based integrated building materials manufacturer and contractor supplying the regional construction industry for over 60 years. The company produces and distributes aggregates (including High PSV and export-grade), asphalt products (CE-marked asphaltic concrete, Thin Surfacing Systems, Hot Rolled Asphalt, Deferred Set, and pre-coated chips), concrete blocks, limestone (agricultural and building grades), roof tiles and accessories, sand variants (Lough, Pit, Sports), and concrete & screed products (CEVO, CEVO+, Readymix, exposed aggregate, floor screeds). It complements materials supply with contracting services spanning major infrastructure, commercial and residential sites, maintenance, airfield works, public realm, and specialized surfacing solutions including anti-skid, coloured, and decorative systems. Operations are anchored at the Belfast registered office and Coleraine divisional HQ, with a new state-of-the-art asphalt plant in Newtownards and 30+ depot locations across Northern Ireland. Northstone is a wholly owned subsidiary of CRH plc, the Dublin-headquartered global building materials group, and sells primarily to government/public sector infrastructure, construction contractors, and self-build/residential customers through depot collection and direct site delivery on a quote-based pricing model.

Name

Northstone (NI) Limited

Legal name

Northstone Materials

Website

https://northstone-ni.co.uk

Company type

Private

Founded year

1964

Operating status

Operating

Headcount range

501–1,000 employees

Short description

Northstone Materials is a Northern Ireland-based integrated building materials manufacturer and contractor producing aggregates, asphalt, concrete, limestone, roof tiles, and sand, plus contracting services, serving government infrastructure, construction contractors, and self-builders across 30+ depots as a CRH plc subsidiary.

Ownership category

akta.pro rank

Product category

Construction Materials

NAICS

Nonmetallic Mineral Mining and Quarrying (2123), Construction Sand and Gravel Mining (212321), Nonmetallic Mineral Product Manufacturing (327), Other Nonmetallic Mineral Mining and Quarrying (21239)

SIC

Mining & Quarrying Of Nonmetallic Minerals (No Fuels) (1400), Concrete Products, Except Block & Brick (3272), Cut Stone & Stone Products (3281)

akta.pro primary industry

Aggregate Processing & Value-Added Products (Washing, Screening, Asphalt/Concrete Aggregates) (IMAKAHAH)

akta.pro secondary industries

Limestone Quarrying (Industrial & Construction Grade) (IMAKAHAC), Sand & Gravel Extraction & Processing (IMAKAHAB), Crushed Stone Quarrying & Processing (IMAKAHAA), Rock Excavation, Blasting & Quarry-Assist Works (IMAFAKAE)

Keywords

• Construction materials supply
• Asphalt manufacturing
• Concrete products
• Aggregates production
• Construction contracting services

Headquarters

HQ city

Belfast

HQ country

United Kingdom

HQ region

Europe

Offices3 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Construction Materials Sales: Northstone Materials generates revenue primarily through the sale of construction materials including aggregates, asphalt, concrete, limestone products, concrete blocks, roof tiles, and sand. Sales are conducted through a network of depots and direct delivery to construction sites. The company serves both large infrastructure projects and smaller commercial and residential construction needs.

Go-to-market motion1 record

Distribution channels3 records

Marketing channels5 records

Core offering

Northstone Materials manufactures and supplies a wide range of construction materials including aggregates, asphalt products, concrete blocks, limestone, roof tiles, sand, and ready-mix concrete in Northern Ireland. The company also delivers construction contracting services covering major infrastructure projects, commercial and residential sites, airfield works, and specialized surfacing. Operating from more than 30 depot locations across Northern Ireland, Northstone serves infrastructure clients, contractors, and self-build customers from a vertically integrated quarry-to-product operation.

Product overview

Northstone Materials operates as a diversified construction materials supplier offering an integrated portfolio of products and contracting services. The core offering comprises aggregates, asphalt products (including CE Marked Asphaltic Concrete), concrete blocks, limestone, roof tiles, sand, and concrete/screed products. The company provides contracting services spanning major infrastructure, commercial/residential sites, maintenance, airfield works, public realm, and specialized surfacing solutions. With 60+ years operating in Northern Ireland across 30+ locations, the product ecosystem serves the construction industry from materials supply through to project delivery.

Differentiator

Problem solved

Functional benefit

Products and services

• Aggregates
• Asphalt Products
• Concrete Blocks
• Limestone
• Roof Tiles and Accessories
• Sand
• Concrete and Screed
• Contracting Projects

Quantifiable outcome

• Reduced production costs through implementation of efficient raw material storage solutions
• +3 more outcomes

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

One partnership is on record.

• ZappsheltercoreStrategic or Co-development Partner · 11 November 2025Northstone NI partnered with Zappshelter to deliver custom storage solutions for their new state-of-the-art asphalt plant in Newtownards, Northern Ireland. The solution consists of three bespoke Zappshelter installations mounted on precast concrete block bays, designed to keep raw materials (reclaimed asphalt pavement, dust, and sand) dry. The partnership has resulted in measurable benefits including reduced energy consumption, fuel usage, and production costs, with improved operational efficiency. Northstone NI reports already seeing the benefits of reduced production costs since implementation.

Scale indicators2 records

Recent moves6 records

Expansion highlights4 records

Direct peers

• CEMEX UK: CEMEX UK supplies aggregates, asphalt, ready-mixed concrete, and cement products across the UK, competing for similar infrastructure and commercial construction contracts as Northstone.
• Tarmac: Tarmac is a UK-based construction materials company producing aggregates, asphalt, concrete, and cement. Like Northstone, it is part of the CRH group, making it the closest direct operating peer for portfolio, channel structure, and end markets.
• Breedon Group: Breedon is a leading UK construction materials group producing aggregates, asphalt, ready-mixed concrete, and cement with a vertically integrated quarry-to-contracting model that closely mirrors Northstone's structure.
• Aggregate Industries: Aggregate Industries, part of LafargeHolcim, is a UK-wide producer of aggregates, asphalt, and concrete serving infrastructure and commercial customers with a similar product portfolio and depot-based distribution model.
• Hanson UK: Hanson UK (Heidelberg Materials) produces aggregates, asphalt, ready-mixed concrete, and cement, and operates a depot and plant network serving the same construction and infrastructure customer base as Northstone.

Regional players

• Whitemountain Quarries: Whitemountain Quarries is a Northern Ireland–based aggregates, asphalt, concrete, and contracting business that directly competes with Northstone in the same regional end markets and customer base.
• Lagan Group: Lagan Group operates in construction materials and contracting across Northern Ireland and Ireland, providing asphalt, aggregates, and concrete products that overlap with Northstone's core offerings.
• Banks Group: Banks Group operates quarries and produces aggregates, concrete, and asphalt in the UK, with regional operations and contracting services comparable to Northstone's vertically integrated quarry-to-contracting model.

Broad incumbents

• LafargeHolcim (UK operations): LafargeHolcim is a global building materials giant with UK aggregates, concrete, and asphalt operations that compete with Northstone across commercial and infrastructure projects but at far broader geographic scale.
• Heidelberg Materials: Heidelberg Materials is a global cement, aggregates, and ready-mixed concrete producer whose UK arm (Hanson) overlaps directly with Northstone's product mix and customer segments, though from a much larger global platform.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/northstone-ni-limited

Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

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

M&A4 records

Investments

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

Frequently asked questions about Northstone (NI) Limited