Founded in Gladstone, Queensland, Cogo Engineering was created to deliver practical, flexible support for industries that require cost conscious solutions. We specialise in valve and actuator repairs, pressure testing, onsite machining, and mobile workshop services across sectors like oil & gas, mining, power, and water infrastructure.
We’ve built our reputation on doing the hard jobs with no excuses — from emergency repairs to planning full-site shutdowns.
We’re a proudly local, family-owned business - 100% independent and backed by over 12 years of hands-on experience across oil and gas, power generation, alumina, petrochem, and water infrastructure.
At Cogo Engineering, our people are our strength. Get to know the team bringing hands-on experience, technical precision, and a can-do attitude to every job.
Meet the Team
THOMAS COGLAN - DIRECTOR
Thomas is the founder and driving force behind Cogo Engineering. With over 12 years of experience in oil & gas, shutdown management, and valve diagnostics, he brings deep technical knowledge and industry insight to every project.
A hands-on leader, Thomas is known for solving complex issues on-site with practical solutions and calm efficiency. He leads the team with integrity, a strong work ethic, and a commitment to delivering quality results. His vision continues to shape the company’s growth and strong relationships with clients across the region.
Angus Holzberger — Service Technician
Angus is a skilled and dependable technician, known for his practical approach and solid understanding of valve systems and maintenance.
Whether working in the field or at the workshop, he brings a can-do attitude and a commitment to doing the job right. Angus takes pride in precision and safety, contributing to the trusted service Cogo Engineering is known for.
SANDY DOBLE - ADMINISTRATION MANAGER
Sandy is the organisational heart of Cogo Engineering, bringing years of experience in administration, finance, and operations. Her attention to detail and approachable nature ensure everything runs smoothly behind the scenes, from customer service to compliance.
With a background in both the arts and engineering support, Sandy bridges creative thinking with practical know-how, keeping the team on track and clients well looked after.
The Cogo Difference
Whether it’s a small-scale repair or a major shutdown, we take pride in doing the job right the first time. Our goal is to keep your operation moving and build long-term partnerships based on performance.
