Multi-Discipline Construction & EPC Contractor

OSOS delivers construction, shutdowns, EPC, and renewable energy works to WA's mining, energy, and infrastructure sectors. Multi-discipline scope. ISO 9001, 14001, and 45001 certified. Remote mobilisation across WA and nationally.

Full-scope EPC and construction delivery for Greenfield and Brownfield projects. Civil, structural, electrical and instrumentation, and mechanical works under a single contract.

Planned shutdowns, turnarounds, and multi-discipline maintenance for WA’s resources and infrastructure operators. Pilbara and Goldfields mobilisation capability.
Solar deployment, battery storage, and carbon-intensive asset retirement for mine site operators and energy clients. Australia’s first prefabricated solar deployment.

Who We Are

OSOS (Onshore Offshore) Global Services provide construction, maintenance and decarbonisation services to the resources, energy, infrastructure, industrial and agriculture sectors.

Worker in hi-vis and hard hat on industrial plant walkway, OSOS Global Services construction and maintenance capability
Offshore oil and gas production platform with supply vessel, representing OSOS Global Services capability in Australia's energy sector

We put safety first, fostering a culture of teamwork and high-performance to deliver exceptional results with integrity.

Certified to ISO 9001, ISO 14001 and ISO 45001 — our integrated management system ensures consistent quality, environmental responsibility and safe delivery across every project.

We’re more than a service provider – we’re genuinely invested in the success of our partners, their employees, and the communities they serve. Our journey has led us to create a network of beneficial partnerships, all united by a shared commitment to safety and excellence.

Excavator and large-diameter pipeline installation at a civil construction site, OSOS Global Services infrastructure construction capability

What We Do

Construction & Maintenance

Multi-disciplinary services that enhance scope, cost-efficiency, scheduling, and project execution for CAPEX or OPEX projects.

Shutdowns & Turnarounds

Shutdown and turnaround contractor for mining, energy, and industrial sites across the Pilbara, the Goldfields, and beyond. Multi-discipline crews mobilised from Perth and Kalgoorlie.

EPC & EPCM

End-to-end EPC and EPCM delivery for Greenfield and Brownfield projects across WA's resources, energy, and infrastructure sectors, with multi-discipline scope under a single contract.

Renewable Energy Infrastructure

Reduce carbon emissions via renewable energy deployment, asset maintenance, and carbon-intensive asset retirement.

Recent Projects

OSOS recently delivered Australia’s first prefabricated solar deployment at Norton Gold Fields’ Binduli operations in Kalgoorlie, West Australia.

The rapid installation of 2.3MWp of solar power, at a rate of 1MWp per week, sets a transformative benchmark for solar energy and is a testament to the vast potential for affordable solar solutions in the Australian mining industry and beyond.

In collaboration with Cambridge Energy and harnessing their cutting-edge NOMAD technology, these solar trackers feature a compact, prefab design and a unique earth anchoring system. Adaptable to any terrain, they prove invaluable in challenging or remote environments. Explore NOMAD solar trackers further on the Cambridge Energy website

Certifications, Accreditations & Memberships

ISO 9001 Certified Management System badge, OSOS Global Services quality management certification
ISO 14001 Certified Management System badge, OSOS Global Services environmental management certification
ISO 45001 Certified Management System badge, OSOS Global Services occupational health and safety certification

ISO Certified

Independently certified to ISO 9001 (Quality Management), ISO 14001 (Environmental Management) and ISO 45001 (Occupational Health & Safety).

Accreditation Number: #S0645857

Contact Us

We’re headquartered in Perth, with projects worldwide. 

Offices

Contact

Frequently Asked Questions

What services does OSOS Global Services provide?

OSOS delivers construction, shutdowns and turnarounds, EPC and EPCM, and renewable energy infrastructure works to Australia’s resources, energy, and infrastructure sectors. Multi-discipline scope – civil, electrical and instrumentation, mechanical, and renewable energy – is available under a single contract. OSOS is based in Perth and Kalgoorlie and mobilises crews to remote and regional sites across WA and nationally.

OSOS works across mining and resources, oil and gas, energy (conventional and renewable), infrastructure, and industrial sectors. The majority of work is in Western Australia, with the capability to mobilise nationally and internationally.

OSOS holds ISO 9001 (Quality Management), ISO 14001 (Environmental Management), and ISO 45001 (Occupational Health and Safety) certification – all current and independently audited.

OSOS is also a member of the Electrical Contractors Association WA (ECA WA), holds Solar Accreditation Australia accreditation (#S0645857), and is a Clean Energy Council member and ICN Gateway listed supplier.