About us

SESL Australia has evolved over 30 years and is now one of Australia’s leading environmental, soil, water and plant science laboratory and consultancy service.  Established in Sydney in 1984 by Simon Leake, SESL has a network of offices across Australia including NSW, VIC, QLD and the ACT this provides our clients with consistent quality and local knowledge. 

The breadth of experience from within our multi-disciplinary team of scientists means we can support faster decision making, collaboration and the timely delivery of desired outcomes. 

Our capabilities include :

  • environmental consulting
  • expert soil advice
  • groundwater monitoring
  • land contamination
  • waste consulting
  • specialist laboratory analysis

We partner with a wide range of industry sectors from government,  private enterprise and multi-nationals. 
Our strength is in our team’s ability to “Bring the Science” and work with our partners to deliver environmental benefits, sustainable solutions and sound financial returns.