Engineering certainty for the world’s most complex infrastructure

Joseph Gallagher Group delivers high‑risk tunnelling, underground works and heavy civil engineering with absolute precision. Founded in 1982, we are one of the UK’s most experienced specialist sub-contractors - trusted for technical excellence, safety leadership and dependable delivery across water, energy, transport, utilities and marine environments.

With full in‑house capability - tunnelling, shaft sinking, civil and structural works, marine & landfall works, specialist plant, design engineering, environmental services and specialist labour, we remove interface risk and deliver certainty on every programme.

Our teams operate across the UK, Middle East and internationally, supported by one of the industry’s strongest specialist workforces and owned plant fleets, including TBMs and 5t to 280t cranes.

Our award‑winning LIFE culture (Living Incident Free Everyday) puts safety, technical discipline, wellbeing and behavioural excellence at the centre of everything we do. This culture underpins our performance on some of the world’s most demanding projects - from sea outfalls beneath the Arabian Gulf to complex tunnelling under live nuclear facilities and major rail infrastructure.

Global tunnelling specialists

We are recognised for delivering the complex tunnelling and deep shaft solutions that others may not attempt. Our teams combine decades of hands-on engineering expertise with precise planning and methodical execution, ensuring safe, efficient and predictable outcomes for the most technically demanding environments.

View our Cooperate Brochure

Our Capabilities

Tunnelling and Underground
Shaft Sinking
Civil and Structural
Marine and Landfall
Design and Engineering
Specialist Plant and Equipment
Specialist Labour
Environmental and Sustainability Services
Asset Inspection and Rehabilitation
Ground Improvement and Enabling Works

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Our Life Culture

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Sectors - Delivering modern infrastructure

Transport
Energy
Water and Wastewater
Utilities
Marine & Coastal
Defence and Security
Digital Infrastructure
Buildings and Structures
Environmental and Renewables

Sectors

Working for us

Our Careers

Emergency Sea Outfall - Kuwait

Kuwait is one of the few countries in the world aiming to recycle 100% of the wastewater produced. This mega project is a $1.6 billion public-private investment providing complete recycling for up to 700,000 cubic metres of wastewater a day and 450km of waste collection together with an effluent distribution network.

View MENA brochure