Wj Uk

Founded in 1981, WJ UK evolved from traditional groundwater expertise into a turnkey groundwater‑control powerhouse.

Rooted in Hertfordshire, the firm expanded across the UK, Ireland and global WJ Group hubs to deliver projects worldwide.

Services span full lifecycle: design, drilling, pumping tests, groundwater treatment, in‑tunnel probing and permanent dewatering systems.

Specialist in sectors like infrastructure, ports & marine, railways and water‑supply works, bringing technical depth to each domain.

Known for deploying cutting‑edge technology and heavy‑duty rigs on complex urban and large‑scale civil engineering sites.

Its standout legacy includes high‑profile projects underground—Crossrail, HS2 and Channel Tunnel Rail Link—showcasing technical prowess.

To think exceptional is not an aspiration; it is a standard that we encourage our team to achieve.

Innovative multi

function vehicle designs reduce the need for separate vehicles.