Doneilyn Pty Ltd, trading as Sarah Group, is a locally owned private company that derives its revenue from the provision of construction services. The company employs over 330 full-time equivalent employees, operates predominantly in Australia and is administered from its head office in Eastwood, South Australia. 

Doneilyn Pty Ltd, trading as Sarah Group, generates its revenue through the provision of commercial construction and plumbing services across South Australia, through Sarah Constructions and Hindmarsh Plumbing.

Sarah Constructions provides commercial construction across the following sectors:

  • Aged Care & Retirement Living
  • Education
  • Health Care
  • Hospitality
  • Industrial
  • Recreation
  • Retail
  • Office/ Commercial


Hindmarsh Plumbing provides the following range of commercial plumbing services:

  • Construction
  • Service
  • Water Treatment
  • Design

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