Quadrant Engineering Services Pty Ltd
About Us
Quadrant Engineering Services (QES) delivers building services engineering with a practical, coordinated approach. We work across mechanical, electrical, hydraulics, fire, and Environmentally Sustainable Design (ESD) — supporting consultants, architects, builders, and clients from concept through to documentation and delivery.
Our focus is on doing the fundamentals well: clear communication, coordinated design, and documentation that supports approvals and construction.
The Founder
Tony Caravaca-Lopez is an experienced building services engineer with an international background across England, Canada, Asia, and Australia. With decades in the industry, Tony brings a pragmatic, solutions-focused approach to design and delivery — supporting projects from early advice through to documentation and construction support.
At QES, the focus is on doing the fundamentals well: clear communication, coordinated design, and documentation that helps projects move forward with confidence.
“At Quadrant, we’re passionate about creating buildings that are comfortable, efficient and sustainable. We provide practical engineering solutions to help architects, builders, developers and building owners deliver projects that are smart, future-focused and great places to occupy.”
“I have had the distinct pleasure of knowing and working with Tony Caravaca-Lopez for over 4 years during my time at Stantec Consulting Ltd., as Principal in the Buildings Engineering group. During this time Tony and I worked on a variety of projects and business development opportunities and pursuits and secured several millions of dollars of work. Tony is a solid mechanical engineer with strong analytical and problem-solving skills, with attention to detail… During my acquaintance with Tony, he has been efficient, professional, organized, and a fantastic team leader.”
— Barry Fitzsimons, Principal | Manager Strategic and Business Development, Arrow Engineering Inc. (Canada)