Shipping containers that are tailored, compliant and built to move with you.
Fit-outs for retail, construction, mining, and events
Engineered for safety, compliance and durability
Available across Australia
Contact our support team for any questions
United Rentals modifies standard shipping containers into ready-to-use spaces built for your site, sector, and specs. From retail kiosks and mobile offices to complex site modules and event builds, we deliver compliant, durable solutions that combine structural integrity with smart design. Backed by 20+ years of experience, our container modifications are available Australia-wide.
Royal Wolf by United Rentals offers industry-leading container modifications for customers across construction, mining, defence, retail, events, and beyond. Whether you're after a portable office, a kiosk, a switch room or a secure training unit, our modified containers combine structural strength with specialist fit-outs to meet your operational and compliance requirements. Each build can include power, lighting, plumbing, air conditioning, ramps, and external branding.
Our team handles everything in-house, from design to engineering and fabrication, so you get a tailored solution that’s both cost-effective and fast to deploy. Modifications range from simple window and door additions to multi-room layouts, mezzanine levels, and fully integrated HVAC, electrical, and data systems. Need sustainable features? Ask us about solar, insulation, and low-emission upgrades.
With over 30 locations across Australia and New Zealand, United Rentals delivers a full-service experience, including build, delivery, and installation. Whether you need a single modified unit or a fleet of custom modules, we’re ready to help you create the right space.
Process Overview
Chat with us - We’ll talk through what you need and how you plan to use your modified container.
Get the design - Our engineers map it out with 2D or 3D visuals so you can see exactly what you're getting.
We build it - Modifications are done in-house to ISO standards, ensuring quality and compliance.
We deliver - Your container is transported and installed on-site, ready to go.
Ongoing support - Need advice or servicing? Our national team has you covered.
Royal Wolf’s modified containers are engineered for innovation, built with advanced materials, modular construction, and smart tech to solve real-world site challenges. Whether it’s a solar-powered workspace, a climate-controlled storage unit, or a pop-up retail fit-out with full electrical and data integration, every build is designed for performance, safety, and efficiency. Our in-house team uses 3D CAD modelling, ISO-certified processes, and industry-specific compliance standards to deliver custom solutions that are portable, secure, and built for what’s next.
Site Hub 2.0 – Fully Self-Sufficient Container
Off-grid, solar-powered, and fitted for comfort, Site Hub delivers utilities, shelter, and modular flexibility in one 40ft unit. Ideal for remote worksites and short-term infrastructure.
Our Company
Why choose United Rentals
Largest Container Network in Australasia
With 52,000+ containers, 40+ Customer Service Centres in Australia and 28 in New Zealand, we offer unmatched reach and a 105+ product range spanning storage, refrigerated units, dangerous goods, portable buildings, intermodal, self-storage and more.
In-House Engineering & Manufacturing
Our design, engineering and manufacturing teams deliver fully customised builds; from modified site offices and defence facilities to bespoke community and commercial pop-up solutions.
Rapid Deployment for Any Site
We deliver fully equipped container solutions that can be operational within minutes, reducing setup time on remote or fast-moving projects. Our solar-powered Site Hub units, pre-fitted with water tanks, are one example of our rapid-deployment capability.
ISO-Certified Quality & Safety
We follow ISO 9001:2015 and robust OH&S systems to ensure consistent quality, compliance, and reliable performance across every container and project.
Frequently Asked Questions
What types of container modifications do you offer?
We offer a full range of shipping container modifications, including mobile offices, workshops, switch rooms, concession stands, retail kiosks, and equipment enclosures. Every custom container is built to meet specific project or site needs.
Can I use a modified shipping container as an office or workshop?
Our container offices and container workshops are designed for fast deployment and built to comply with workplace safety and comfort requirements. These modified shipping containers can include air conditioning, insulation, container lighting, and power outlets.
Do you offer climate-controlled or insulated container solutions?
Yes. Many of our container modifications can be climate controlled, insulated, or fitted with ventilation to suit storage or staff needs. Ideal for storage containers, container homes, or shipping container offices in harsh environments.
Can you help with multi-container buildings or modular structures?
We regularly deliver modular construction and modular structure solutions, including multi-container buildings for site offices, events, or temporary accommodation. We manage everything from design to install.
Do container conversions meet Australian standards?
All container conversions are engineered to meet relevant building codes, including structural and electrical compliance. We use ISO-certified processes to ensure every shipping container building is safe, durable, and site-ready.
What are the most popular modifications for job sites?
For job sites, common builds include mobile offices, custom storage units, generator enclosures, lunchrooms, and climate-controlled workshops. These are available in standard or bespoke formats.
What security features are available for modified containers?
We can add secure container doors, lock boxes, and specialised container locks. Some units include a roll-up door or multiple access points depending on layout.
Do container sizes and dimensions vary by modification?
Yes. We modify shipping containers in 10ft, 20ft and 40ft lengths. Customised container dimensions and layouts are also available to suit your specific application or container structure.
Is it possible to repurpose an existing shipping container?
Definitely. Many customers come to us looking to repurpose shipping containers they already own into something more functional, like a custom storage unit, site office, or event kiosk.
KiwiRail Logging Cradle Containers
Specialist freight containers developed in collaboration with KiwiRail to safely transport logs via rail. A robust, problem-solving design built for performance and load security.
Can't find what you need?
Contact us for any further questions you may have about United Rentals.
