Renowned Groundwater Management Experts

Leading the industry for almost 40 years

WJ were founded in the UK in 1981 and have been one of the leading dewatering companies in the region since the mid-1990s. We have worked on over 2,500 projects in this time ranging from small basement extensions and drainage installations to substantial and iconic infrastructure projects including Crossrail, the Channel Tunnel Rail Link, the London Olympic Park, Thames Tideway and HS2.

Currently based at our Head Office in Kings Langley, on the outskirts of London, and with regional offices in Nottinghamshire and Glasgow, WJ are the “go-to” company for all of your groundwater control, and dewatering requirements on any project in the UK and further afield.

We offer a complete design, drilling, installation, maintenance and management package for all of your groundwater management and control requirements, as well as offering drilling, consultancy, and groundwater treatment services and are one of the most trusted brands in the field.

The team at WJ UK are dedicated to providing turnkey solutions for all sizes of projects throughout the UK, Ireland and further afield.

Our well experienced and highly skilled staff guarantees you a personal, competitive and excellent quality of service. Our ability to utilise resources several across our branch offices that extending from UK across the globe gives us unrivalled depth of technical knowhow, extensive armoury of equipment as well as financial strength.


  • Dewatering
  • Pumping Tests
  • Groundwater Treatment
  • Drilling
  • Monitoring
  • Geothermal
  • Supply, install, Operate permanent dewatering


  • Airports
  • Basements
  • Groundworks
  • Infrastructure
  • Permanent Drainage
  • Slope Stabilisation
  • Ports & Marine
  • Power StationsRailways
  • Shafts & Tunnels
  • Water Supply
  • Water Works







Featured Project


Europe’s largest infrastructure project, Crossrail will dramatically change the way people travel around the capital.

For the first time, a direct connection between all of London’s main employment centres will be achieved; reducing journey times, easing congestion and improving connections. With up to 24 trains every hour, each carrying 1,500 passengers, the project covers over 100km of track from reading to Heathrow.

Contact Details

Unit 5, Abbotts Business Park
Primrose Hill
Kings Langley
United Kingdom

t +44 (0)20 8950 7256
f +44 (0)20 8950 7959

WJ Group AdminWJ UK