Welding Capability You Can Count On
SQ Welding delivers high-trust welding and fabrication for critical scopes. We solve problems, coordinate trades and deliver compliant results—on time, to spec and without needing to be managed.
Welding Built for Trust, Ready for Scale
SQ Welding is a high-performance welding and fabrication partner based in Toowoomba and built for serious scopes. We deliver structural and pressure coded welding with the systems, supervision, and professionalism major contractors expect. From shutdowns to remote installations, we manage the details, coordinate trades and solve critical problems—without needing to be managed ourselves. Trusted by clients in energy, government and industry, we show up ready, take full responsibility and deliver work that’s done right, the first time.
Our Services
What We Do Best
Onsite Welding
We mobilise quickly and deliver expert welding onsite—whether for shutdowns, installations or remote maintenance. Our crew brings the gear, tickets and capability to get the job done efficiently.
Oil & Gas Welding
We meet the stringent requirements of the oil and gas sector, delivering pressure pipe welding, pressure vessels and compliant fabrication with full traceability.
Machinery Repairs
We repair and modify critical equipment on site, extending asset life and restoring structural integrity. Our repairs are precise, durable and completed with minimal operational disruption.
Coded Welding
We provide fully qualified coded welders with extensive experience in pressure and structural applications. We follow procedures to the letter and document every weld for audit and assurance.
Construction Welding
We support civil and industrial projects with steel fabrication, welding and install packages. We integrate with site operations and deliver reliably under principal contractor supervision.
Welding Supervision
Our certified welding supervisors oversee safety, quality and compliance. We manage ITPs, traceability, welder qualifications and MDRs—ensuring every weld is completed, recorded and signed off properly.
We work where standards are strict and timelines are tight. Our clients rely on us to show up ready, run the scope and deliver without compromise.
Industries we work with
We support high-compliance, high-performance sectors including oil & gas, renewables, mining, civil infrastructure, food & beverage, agriculture and government. Our systems, certifications and capability are built for regulated environments.
Mining
We support mining clients with onsite welding, equipment repairs and project fabrication. Our team works safely in remote, high-risk environments to keep plant and assets operational.
Oil & Gas
We deliver pressure welding, pipework and structural support for energy infrastructure. Our compliance-first approach meets strict safety, quality and traceability standards across upstream and midstream scopes.
Renewables
From hydro and LPG to emerging energy systems, we provide coded welding service to support Australia’s energy transition—built to withstand harsh conditions and inspection protocols.
Civil Infrastructure
We provide structural steel and welding support for roads, water and public works. We integrate with head contractors and manage deliverables across complex, multi-stakeholder sites.
Food & Beverage
We offer stainless welding and structural fabrication for hygienic and regulated production environments. Our work meets food-grade requirements and is documented for quality assurance and compliance checks.
Our Projects
Case Study Retrofit Installation – LNG Compressor Station
A late-stage issue in a live LNG project demanded urgent, engineered welding solutions. We took ownership of the scope, working under pressure to deliver high-spec outcomes in a constrained environment.
The Challenge
During final commissioning, the client identified a critical design omission: no containment tanks for oil carried by gas through compressor units. With equipment already installed and fabricated overseas, a fast, compliant solution was needed. The project was under pressure, operating in a live, high-compliance environment with tight timeframes and no margin for error.
Our Solution
We collaborated with site engineers to design and fabricate retrofit containment tanks rated for explosive atmospheres. We managed installation, built new footings, modified pipework and installed a vent line through roof level—all while maintaining compliance, site safety and documentation requirements. The scope required elevated work platforms and coordination across multiple trades.
The Outcome
We delivered the project to spec, under time pressure and site constraints. The client was impressed with our responsiveness, professionalism and technical capability. Our performance led to additional commissioning work and an ongoing project relationship—proof that when it matters, we deliver.
Clients we ARe Proud to Work With
