COMPANY OVERVIEW

Expertise across every tunnelling method

Our business is a leading, independent, specialist contractor delivering complex tunnelling, underground and heavy civil engineering solutions across the UK, and internationally.

Founded in 1982, our group has built a reputation for engineering excellence, technical certainty and safe, reliable delivery on some of the most demanding infrastructure projects across water, energy, transport, defence, industrial, utilities, structures and marine sectors. Today, we are one of the UK’s leading tunnelling and specialist labour contractors, delivering projects across the UK and internationally. We are a hardworking, honest, a client-focused organisation, with an award-winning reputation for quality, safety, and innovation. Safety is at the core of everything we do. Our award winning LIFE programme underpins our culture, decision-making and behaviours, ensuring the wellbeing of our people, partners and the communities. This commitment, combined with strong governance and financial stability, makes us excel on complex, high-risk and lengthy projects. With tunnelling, shaft sinking, design and engineering, specialist plant and equipment, marine works and environmental services delivered within one integrated group, we reduce programme risks, while streamlining project delivery.

Agile enough to respond. Experienced enough to deliver

As one of the UK’s most experienced independent tunnelling specialists, we bring extensive knowledge across multiple sectors - from water and energy to aviation, utilities and major infrastructure. Our independence gives us flexibility, speed of decision-making and a client-first approach.

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Our Culture

Safety is our defining value. Our LIFE behavioural programme has transformed how teams think, act and lead - ensuring everyone goes home safe every day, across every project and every environment. It is our operational foundation in the UK and overseas.

We also support our clients by helping them to develop their own culture, tailoring the LIFE model to their unique needs and embedding core values into daily operations.

Our LIFE Programme

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Explore our project case studies

Now that you know who we are, it’s time to see how we deliver in practice. Our project case studies provide a detailed look at the work we’ve completed, highlighting the challenges we’ve faced, the solutions we’ve implemented, and the results we’ve achieved.

Our capability
JGL Projects Map