Our Accreditations

With more than four decades of experience in the water industry, we understand that quality is everything. That’s why we have achieved and continue to maintain the following accreditations, all of which are independently audited.

  • ISO 9001 (Quality Management System)
  • ISO 14001 (Environmental Management System)
  • OHSAS 18001 (Health and Safety Management System)
  • Lloyds Water Industry Registration Scheme (Water Regulations Council approved contractor to lay new mains and services)

We are also members of the following organisations which pre-qualify suppliers of construction services to specific sectors.

  • Achilles Verify
  • The Government Procurement Service
  • Construction Line
  • CHAS
  • Exor

In addition, we are members of the Legionella Control Association, the national body which regulates Legionella control contractors.

CONTACT US

We welcome any enquiries via phone or email.

Call +44 (0)121 722 6222 or send email

STS is WIRS Accredited

 STSOS has achieved ISO 9001    STSOS has achieved ISO 14001

STSOS has achieved OHSAS 18001STS has achieved ISO 9001

STS is WIRS Accredited