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IJ Lynn construction Earthworks project
Est. 2008 — Northern Ireland

Delivering Excellence
in Civil Engineering

I.J. Lynn & Sons Ltd is a leading civil engineering and groundworks contractor based in Armoy, Co. Antrim. With over 25+ years of expertise, we deliver earthworks, drainage, and specialist civil engineering solutions across Ireland and UK.

Operating a modern fleet of 100+ machines and a highly skilled workforce, we provide complete project management from initial site preparation through to final completion.

ISO 9001 Quality Management
ISO 45001 Health & Safety
ISO 14001 Environmental
Safe-T-Cert Site Safety
Learn More About Us ↗
What We Do

Our Services

Specialist services delivered safely, on programme and to the highest standard.

Bulk Earthworks
01

Bulk Earthworks

Large-scale cut & fill, excavation, embankment construction and material management.

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Mainline Drainage
02

Mainline Drainage

Foul water, surface water and combined drainage networks for any scale of development.

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Rock Breaking
03

Rock Breaking

Hydraulic rock breaking and specialist excavation for challenging ground conditions.

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Foundations
04

Foundations

Strip, pad, raft and reinforced concrete foundations delivered to specification.

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Culverts & Structures
05

Culverts & Structures

Box culverts, headwalls, retaining structures and watercourse crossings.

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Residential Works
06

Residential Works

Complete groundworks packages for housebuilders and residential developers.

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IJ Lynn team on site
Why Choose Us

Why Choose I.J. Lynn & Sons

Technical expertise, modern plant and a culture of safety and quality on every project.

🆂
Safety First

ISO 45001 certified. Zero-harm culture embedded across every site and operation.

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Modern Fleet

30+ CAT & Volvo machines maintained to the highest standard.

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Quality Assured

ISO 9001 accredited with rigorous QA processes on every project.

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On Programme

Expert planning ensuring projects land on time and on budget.

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25+ Years

Established 2008. Deep expertise across all civil engineering disciplines.

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1000+ Projects

Proven track record on residential, commercial and infrastructure schemes.

100+ Machines

Our Modern Fleet

Fully maintained CAT & Volvo plant ready to mobilise across Ireland and UK.

Enquire About Hire →
CAT 320
CAT 320
CAT D6
Tracked Dumper
Volvo A40G
CAT 323
CAT 966
Volvo Dump Trucks
CAT 308
CAT D6T
Rock Breaker
Scania R580 & 4 Axle Low Loader
Rock Breaker
Hydrema All Terrain Dumper
Rock Breaker
Dynapac Roller
Rock Breaker
CAT 320
Rock Breaker
GPS Coordinated Equipment
Rock Breaker
CAT 305
Rock Breaker
CAT 312
Client Feedback

What Our Clients Say

★★★★★
"Outstanding performance on the A26 scheme. Professional team, excellent plant, completed ahead of programme."
S
Stuart
★★★★★
"I.J. Lynn delivered our drainage package efficiently and to spec. Communication throughout was excellent."
S
Simon
★★★★★
"First-class rock breaking on a very challenging site. Would not hesitate to recommend."
R
Ruth
★★★★★
"Their earthworks team are in a different league. Responsive, reliable and quality-focused at all times."
G
Gareth
Sectors We Serve

Industries We Serve

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Road Infrastructure

Motorway widening, bypasses, road improvements and public realm works.

🏠

Residential

Site clearance, earthworks, drainage and foundations for housing schemes.

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Commercial & Industrial

Site preparation and groundworks for warehouses and business parks.

⚡

Utilities & Energy

Excavation and groundworks for utilities, renewables and energy infrastructure.

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ISO 9001 Quality
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ISO 14001 Environmental
✅
ISO 45001 H&S
✅
Safe-T-Cert Site Safety
✅
CPCS Plant Operators
IJ Lynn construction site
Start Your Project

Ready to Start
Your Project?

Contact our team today for a free no-obligation quotation. We respond within 24 hours.

📱 +447711874782 Request a Quote ↗