Our Clients

GT Williams Ltd provides its range of quality services to both private customers as well as businesses and public sector organisations. We currently have a number of ongoing contracts working for a wide range of customers including:

  • Dwr Cymru Welsh Water
  • Black & Veatch
  • Costain
  • Balfour Beatty
  • Galliford Try Water & Rail
  • REHAU
  • Imtech Process Ltd
  • Gwynedd Council
  • Anglesey Council
  • Innumerable private householders


To see examples of the different types of work we undertake, please click on the links below (Adobe PDF format)

Water Mains & Service Connections Including Specialised Operations

Installing Mains Water Pipes

Land & Surface Water Drainage

New Sewer Systems & Refurbishment Works

Waste Water Treatment Plants

Sewer Pumping Stations

General Groundworks