Here's a little bit about us, Sterling Hydrotech

  • Established Company since 1988
  • Head Office is based in Chesterfield, Derbyshire
  • Core business is design, supply, install and service swimming pool filtration & water treatment equipment throughout the UK
  • Design philosophy is to follow PWTAG recommendations
  • One of the UK’s largest water treatment companies within the leisure industry
  • The largest service provider for swimming pool plant rooms in the UK
  • UK wide sales and after-sales team
  • In 2021 Sterling Hydrotech were acquired by WCS Environmental Engineering Ltd (part of the WCS Group)


Well established company (1988), reference sites throughout the UK.


Our Quality Management System is assessed and certified as meeting the requirements of ISO 9001:2015


We are an accredited contractor under the CHAS scheme, Safe Contractor registered and are registered with Constructionline.


All our engineers have CCNSG Safety Passports, Confined Space Trained with Enhanced CRB check. We also have personnel who have NEBOSH General Certificates.