EPC & EPCM Contractor
Full-scope EPC and EPCM contracts for Australia's resources, energy, and infrastructure sectors.
OSOS Global Services delivers construction, maintenance, electrical and instrumentation, and renewable energy works across a single contractor, under a single contract.
Why
OSOS
When a project is being assessed for pre-qualification, the gaps in a contractor’s credentials show up quickly. Certifications not current. Multi-discipline scope spread across multiple subcontractors. Remote mobilisation experience that’s thin on the ground.
OSOS carries ISO 9001, 14001, and 45001 certification, delivers across four disciplines in-house, and has a proven mobilisation record on remote WA mine sites. If you’re shortlisting EPC contractors for a WA project, the information you need is on this page.
EPC
Engineering, Procurement & Construction
OSOS manages the full scope from detailed design through procurement and construction delivery. One contract. One accountable party.
EPCM
Engineering, Procurement, Construction, & Management
Stand-alone construction packages
Greenfield builds and Brownfield modifications, delivered as a discrete scope or as part of a broader programme.
We're trusted by:
Multi-Discipline Capability Under One Contract
Most EPC and EPCM projects require more than one discipline. The risk of splitting that scope across separate contractors is well understood by the time the problems surface: interface disputes, handover delays, and cost overruns that weren’t in the programme.
OSOS delivers the following disciplines in-house, under a single contract:
- Construction and civil works
- Preventative and reactive maintenance
- Electrical and instrumentation (EIC)
- Renewable energy installation and integration
Certifications and Pre-Qualification Credentials
OSOS holds current ISO certification across quality, environmental, and safety management.
Independently certified to:
ISO 9001 (Quality Management)
ISO 14001 (Environmental Management)
ISO 45001 (Occupational Health & Safety).
All three are current and maintained. For procurement managers running formal pre-qualification processes in WA’s resources, energy, and government sectors, OSOS’s credentials are available in full on request. Capability statement, project references, and insurance documentation can be provided at short notice.
Remote Mobilisation
OSOS mobilises specialist crews to remote and regional WA mine sites, offshore facilities, and infrastructure projects across the state.
Remote delivery is a different category of project management. Site access, staging, logistics, accommodation, and safety leadership all require advance planning and genuine experience on-ground. OSOS has delivered EPC and EPCM works at remote sites where mobilisation capability was as critical as technical scope.
If your project is in a demanding or remote location, this is one of the first things we work through with you.
Contact Us
Assessing EPC contractors for a project?
If you’re in the early stages of a tender process, pre-qualification, or contractor shortlist, OSOS is available for a conversation about scope and credentials.
Offices
- 4/18 Deviation Way, Neerabup, Western Australia
- 101 Hannan St, Kalgoorlie, Western Australia
- Unit 3, 172 Casino St, South Lismore, New South Wales
Contact
Frequently Asked Questions
What does EPC stand for, and what does an EPC contractor do?
EPC stands for Engineering, Procurement, and Construction. An EPC contractor takes full scope responsibility for a project: managing design and engineering, procuring materials and equipment, and delivering the physical construction works. The principal has one contract and one accountable party across the full scope, rather than managing separate engineering, supply, and construction contracts independently.
What is the difference between EPC and EPCM?
In an EPCM arrangement, the principal retains direct contract management and typically holds the procurement and construction contracts themselves. The EPCM contractor provides the engineering and project management expertise to run the process on the principal’s behalf. In a full EPC contract, the EPC contractor holds all contracts and carries full delivery responsibility. The right model depends on the level of control the principal wants to retain and the nature of the project scope.
What certifications should an EPC contractor in WA hold?
For work in WA’s resources, energy, and infrastructure sectors, the standard pre-qualification requirements are ISO 9001 (quality management), ISO 14001 (environmental management), and ISO 45001 (workplace health and safety). These are the certifications reviewed in most formal tender and pre-qualification processes. OSOS holds all three, current and in scope.
Can OSOS deliver multi-discipline scope under a single EPC contract?
Yes. OSOS delivers construction and civil works, preventative and reactive maintenance, electrical and instrumentation (EIC), and renewable energy installation in-house. All disciplines are available under a single contract. For principals who want to consolidate scope and reduce interface risk, a multi-discipline contractor removes the need to manage separate contracts across the same site.
How do I request a capability statement or start a pre-qualification conversation?
Contact OSOS directly – a full capability statement, current ISO certificates, and project references are available at short notice.