Skip to main content

Underground explorers

Founded in Australia, we consult on major infrastructure projects across the globe.

What we do

What we do

Surex Surveyors are industry leaders in tunnel surveying and underground navigation technology. We provide public and private sector clients with a wide range of professional surveying services and innovative solutions to industry problems.

Client testimonials

The quality of service afforded to the project has been exemplary.

Priority Sewerage Project

Surex have responded well to fluctuations in survey demand throughout, providing a reliable, accurate service at all times.

Airport Link – TBMs

Managing the ramp up and delivery of such a demanding project has been extremely well done and is a testament to the strength of your organisation, the quality of your systems, and the calibre of your senior surveyors and management.

Sydney Metro

Very experienced and understand construction and tunnelling well.

Westgate Tunnel

Provides value for money and good level of services... delivers on time and resolves issues to ensure project timelines [and] costs are achieved.

Airport Link – Truro

Surex have demonstrated time after time how professional and ethical they are as a company. Senior staff members offer full support and work successfully with the engineering team in delivery the project on time.


Our experience

Tunnel boring machine (TBM) surveying

With specialised skill sets and experience in open (hard-rock), single shield and double shield TBMs, we cover all aspects of TBM service including segment and mould measurements and gyroscope surveys.


Surex has comprehensive experience in surveying Roadheader Tunnels. From maintaining guidance systems in excavation and tunnel support, through to final tunnel lining and fitout.

Pipe jacking

Surex supplies specialised surveying for trenchless, straight and curved tunnels. Laser Guided for short straight tunnels, or Gyroscope and VMT SLS Guidance systems for long, curved tunnels.

Project Control Network and Gyroscope Surveys

With the experience of supplying project control on a variety Australia’s largest infrastructure projects, Surex will establish accurate control to project specifications and requirements.

Underground navigation

Experience of various guidance systems and specialised surveying techniques allows Surex to provide confidence in underground navigation through all facets of tunnelling.


Surex provides service in various forms of monitoring including real-time, automated, conventional 3D and settlement.

Our locations

Brisbane Office (HQ)

John Oxley Centre
Suite 6 Level 4, South Tower
339 Coronation Drive
Milton QLD 4064

Sydney Office

Unit 8/76b Edinburgh Road
Marrickville NSW 2204

Melbourne Office

Unit 14/28-36 Sabre Drive
Port Melbourne VIC 3207

Close Menu

Surex Surveyors

539/9 Sherwood Rd
Toowong QLD 4066

T: 1300 557 680