This business has now closed. John and I have finally retired. Thanks to all our clients for your ongoing support over the last 40 years.

Specialising in difficult access, hydro schemes, dams and slope stabilisation

Headquartered in Khancoban NSW, Mulligan Geotechnical Pty Ltd formerly Mulligan Drilling Pty Ltd was established in 1986, with a second depot opening on the North Coast NSW at Maclean in 2010. 
The past 33 years have seen Mulligan Geotechnical support domestic and overseas drilling programs throughout Eastern Australia and the Pacific.



History

Mulligan Geotechnical is a family run business dating back to the 1960's. Its beginnings steeped in history with Jack Mulligan as part of the original drilling team for the dams and tunnels required for the Snowy Mountains Hydro Electric Scheme. 
John Mulligan has 45 years experience in the drilling industry both in Australia and overseas. The company supplies a comprehensive range of specialist equipment and technical expertise to meet the drilling and grouting demands of the construction industry.
Snowy Hydro Scheme early days

State of the Art Equipment and Technology

We utilise a comprehensive range of specialist equipment and technical expertise to meet the core drilling and grouting demands of the construction industry. All of our equipment is tested and kept up to date to ensure consistent results. 
Mulligan GeoTechnical Logo
ABN: 71 088136190
ADDRESS
137 Waterfall Farm Rd Khancoban NSW
PHONE
+61 02 60769337 (Khancoban Office)
0427 769 337 (John Mulligan)
0417 498 093 (Jenny Mulligan)
0457 453 274 (Megan Wedesweiler)
+61 02 66453264 (North Coast Office)