Andrew Nunn
Executive Director, JBS&G
“It's like telling a painter not to paint. They just have to. People who are entrepreneurial have to do the same thing.” Hear the conversation
2 episodes All companies 
JBS&G
StatusAcquired by Geosyntec Consultants in 2026.
2 conversations across 2 shows.
Meet the people behind the company.
Latest conversation · Documentary: The History Of The Australian Startup Ecosystem
The History Of The Australian Startup Ecosystem - Part 6About JBS&G
JBS&G is an Australian environmental consultancy that specialises in contaminated land. It assesses, cleans up and monitors contaminated sites and buildings, audits sites for compliance and handles approvals for mining and infrastructure projects, alongside groundwater remediation, hazardous materials, ecology and sustainability work. Founded in 1996, it has more than 300 staff in offices across Australia. Geosyntec acquired the firm in 2026, and it now trades as JBS&G, A Geosyntec Company.
- Sector
- Environmental/brownfields consulting
- Business model
- B2B services (environmental consulting)
- Founded
- 1996
- Headquarters
- Sydney
- Offices
- Adelaide, Brisbane, Bunbury, Byron Bay, Gold Coast, Hobart, Melbourne, Perth, Sydney, Wollongong
- Markets
- Australia
- Team size
- 300+ (2026)
- Status
- Acquired by Geosyntec (2026); operates as JBS&G, A Geosyntec Company
Sources: jbsg.com.au, jbsg.com.au, geosyntec.com, jbsg.com.au
The people on Day One.
Hear from the team.
Documentary: The History Of The Australian Startup Ecosystem The History Of The Australian Startup Ecosystem - Part 6
With Andrew Nunn
The History of the Australian Startup Ecosystem - Interview Series Andrew Nunn believes Australian states and territories should work cooperatively rather than competitively
With Andrew Nunn
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Spot something wrong? Suggest a correctionUpdated 29 October 2026
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