Our continued investment in people and equipment enables us to undertake an extensive range of services and projects across multiple sectors.

  • CHAS Accredited Contractor
  • CQMS Safety Scheme
  • ISO 9001
  • ISO 14001
  • Registered as an upper tier waste carrier and dealer
  • Smas Worksafe


Oneline is committed to upholding the highest standards of health, safety, and customer care. We stringently adhere to the codes set out across a range of accreditation bodies, which should give you complete peace of mind that the work we carry out will be done professionally and safely.

The promotion of health and safety is an important aim of the company and every member of staff.

We undertake a range of training which includes the following:

  • Cable avoidance training (as necessary to role)
  • Confined space trained - medium or high-risk (all)
  • Construction Skills Certification Scheme approved (all)
  • First aid trained (all)
  • Manual handling trained (all)
  • MSCC5 CCTV Surveyor trained (CCTV surveyors)
  • National Water Hygiene Card (as necessary to role)
  • Rescue team training (as necessary to role)
  • Site Supervisor Safety Training Scheme (as necessary to role)
  • Units 2 & 10 NRSWA Streetworks Signing, Lighting & Guarding (all)
  • Water Jetting Association – High Pressure Jetting (jetting operatives)

Here to help you get the most out of your wastewater networks and assets

Our experts are available to help you understand your underground network, expand hydraulic capacity, and extend the lifespan of your assets.

Speak to our experts