Guide
EPCM vs EPC: what is EPCM and what is the difference?
EPCM stands for engineering, procurement and construction management, and the difference from EPC is straightforward: an EPCM firm designs and manages the project for the owner, while an EPC contractor builds and hands over the finished asset itself.
What does EPCM stand for?
EPCM stands for engineering, procurement and construction management. An EPCM contractor is an engineering firm engaged by the project owner to design the works, run procurement and manage construction on the owner's behalf. The EPCM firm does not build the asset itself: construction contracts sit with the owner, and the EPCM firm supervises the contractors who hold them.
What does EPC stand for?
EPC stands for engineering, procurement and construction. An EPC contractor takes single-point responsibility for delivering the completed, working asset, engineering it, buying the equipment and constructing it, most often under a lump sum or guaranteed maximum price. The owner specifies the outcome and the contractor carries the delivery risk, which is priced into the contract.
What is the difference between EPC and EPCM?
| Aspect | EPCM | EPC |
|---|---|---|
| Contract type | Professional services agreement. The EPCM firm acts as the owner's engineer and manager. | Turnkey works contract. The EPC contractor delivers the completed asset. |
| Procurement and contracts | The owner contracts trades and suppliers directly, managed by the EPCM firm. | The EPC contractor holds all subcontracts. |
| Construction risk | Stays largely with the owner, managed down by the EPCM firm's supervision. | Transferred to the contractor, priced into the contract. |
| Cost model | Typically reimbursable or rates-based fees, with full owner visibility of project costs. | Typically lump sum or guaranteed maximum price, with contractor margin on risk. |
| Owner control and flexibility | High. Scope changes are handled within the management structure. | Lower. Changes are contract variations and priced accordingly. |
| Best suited to | Projects with evolving scope, brownfield work, or owners with strong internal teams. | Well-defined scope where the owner wants a fixed price and a single point of responsibility. |
When should you use an EPCM contractor?
Use an EPCM contractor when scope is still evolving, when brownfield conditions make a fixed price hard to set honestly, or when the owner has a capable internal team and wants cost visibility rather than a risk premium. Because the owner holds the contracts, the arrangement can flex as the project changes without renegotiating a head contract, and the trade-off is that the owner keeps more of the delivery risk. For what the management role covers phase by phase, see what does an EPCM contractor do?
What does EPCM mean in mining?
In mining, EPCM means that same model applied to a mine site: the engineering firm designs the electrical, power and control works, runs procurement and supervises the contractors who build them, while the mine owner holds the construction contracts. Our mine-site work covers surface infrastructure, processing plants, underground design and mine electrical compliance, including the Statutory Electrical Engineer role. Our mining EPCM services page covers surface and underground mine work.
Who provides EPCM services in Australia?
EPCM Solutions provides EPCM services for mining, utilities, oil and gas and industrial projects from offices in Perth and Sydney, with delivered projects for clients including BHP, Fortescue, Sydney Metro West and the Department of Defence. Our senior team includes chartered engineers, and the firm holds Level 3 Accredited Service Provider (ASP) accreditation for HV and LV design.
Page updated 6 September 2026
Get in touch
Weighing EPCM against EPC for your project?
Talk it through with a senior engineer. We will give you a straight answer on which model fits your scope.