Slinger/Signaller at Joseph Gallagher Limited in Bridgwater, England, United Kingdom | Kablio

Slinger/Signaller at Joseph Gallagher Limited in Bridgwater, England, United Kingdom | Kablio

Company

Overview

Founded in 1982

Year of establishment

The company was established with a £5 bank account, marking the beginning of its journey in tunnelling.

£100 million annual turnover

Financial milestone

Over four decades, the company achieved significant growth, reaching over £100 million in annual revenue.

Since 2010 expansion

International growth timeline

The company has delivered major projects internationally, including high-profile trenchless works in the Middle East.

894m vertical shaft

Engineering milestone

Constructed the deepest Herrenknecht vertical shaft in the Yorkshire Potash Mine, showcasing technical expertise.

Over 40 years, it’s grown into the UK’s largest specialist tunnelling subcontractor.
Its portfolio features major infrastructure projects like Thames Tideway, Crossrail, HS2 and London Underground stations.
Services have diversified to include microtunnelling, HDD, pipe jacking, shaft sinking, basement underpinning and reinforced concrete works.
Unique milestones include aiding in the 1985 Isle of Wight rescue.
Growth through strategic acquisitions and establishing specialist divisions (e.g., NRC Plant, JTS) bolstered its equipment and technical capabilities.
It remains family‑led, with a second‑generation succession underway, combining entrepreneurial roots with modern infrastructure execution.

Culture + Values

Hard work
Integrity
Safety
Teamwork – Working together, sharing knowledge and building effective relationships
Respect – Treating everyone equally, appreciating the skills and knowledge we all bring
Integrity – Accountable for our actions, building trust and acting safely
Excellence – Going the extra mile, not compromising on quality or safety
Determination – Succeeding in our goals, never give up and never walk by

Environment + Sustainability

2030 Target

Net-Zero Commitment

Aims to achieve net-zero emissions by the year 2030.

Three Awards

Green Apple Recognition

Received three Green Apple Awards, including one Gold for Carbon Reduction and two Bronze for community benefit and improvement initiatives.

Achieved ISO 50001 Energy Management accreditation
Recognised as World Green Ambassadors by the World Green Organisation
Embedding cleaner processes and materials; reducing material use and landfill waste; increasing recycling across projects
Adopted a Strategic Sustainability Strategy with a board-endorsed roadmap to reduce carbon footprint year on year

Inclusion & Diversity

40+ Nationalities

Cultural Representation

Diverse workforce with representation from over 40 different countries worldwide.

61 Years Tenure

Long-Term Employment

Example of an employee who began their career as an apprentice at 15 years old and stayed with the company for 61 years.

'Disability Confident' employer committed to equal opportunities and reasonable adjustments
HR-communicated people-friendly policies ensuring fair and respectful treatment

Articles