How to win subcontract work after a main contract is awarded
When a ministry or developer announces that a main contract has been awarded, most people treat it as old news. For subcontractors and suppliers it is the opposite: the award is the moment the buying starts. This guide explains what happens inside the winning contractor in the weeks after an award, and how to use that window.
What happens inside the winning contractor
A main contractor usually prices a tender using budget quotes, not signed subcontracts. Once the contract is signed, a project team is mobilised and the procurement department has to turn those budget numbers into real purchase orders and subcontracts – fast, because the programme is already running. In a typical building or infrastructure job the sequence looks like this:
- Weeks 0–4 – mobilisation. Site offices, camps, fencing, temporary power and water, surveying, soil investigation, site security, equipment and crane hire, manpower supply.
- Weeks 2–12 – early packages. Earthworks, dewatering, piling and shoring, ready-mix concrete, rebar supply and fixing, formwork, waterproofing below ground.
- Months 3–9 – long-lead items. Structural steel, transformers and switchgear, chillers, lifts, pumps, valves, façade systems. These have factory lead times, so they are ordered early even though they are installed later.
- Months 6–24 – MEP and finishing. HVAC, plumbing, electrical, fire fighting and alarm, ELV/ICT, BMS, fit-out, joinery, flooring, painting, landscaping.
On oil, gas and industrial EPC projects the order is similar but the packages differ: engineering sub-consultancy, piping fabrication, pressure vessels, mechanical erection, electrical and instrumentation (E&I), insulation, painting and blasting, NDT and inspection, scaffolding and heavy lifting.
Step 1 – Identify the right person
Do not send your company profile to the general enquiries address. The people who decide are usually the procurement manager (or contracts manager) for the specific project and, for technical packages, the project manager or construction manager. Search the contractor's website and professional networks for the project name; the team is often announced at the contract signing. Many large contractors also run an online supplier registration portal – register there as well, because some procurement teams can only issue enquiries to registered vendors.
Step 2 – Get approved before the enquiry goes out
On public projects the client or its consultant often has to approve every subcontractor and supplier. If you are not approved, the main contractor cannot use you even if you are the cheapest. Ask early what is needed. Common requirements are:
- commercial registration, tax registration and chamber of commerce membership in the project country;
- a company profile with three to five similar projects, including client names and values;
- ISO 9001 (quality), and increasingly ISO 14001 (environment) and ISO 45001 (health and safety);
- HSE statistics, method statements and key staff CVs;
- product data sheets, test certificates and, for materials, local authority approvals.
Our pre-qualification checklist lists the documents in more detail.
Step 3 – Make your first message useful
A good first email is short and specific: the project name, the package you can deliver, two or three comparable jobs, your capacity (crews, workshop size, delivery time) and an offer to submit a budget quote within a stated number of days. Attach a two-page profile, not a 60-page brochure. Follow up with a call a week later.
Step 4 – Price to the contractor's reality
The main contractor has already committed to a price. If your number is far above the budget they carried in the tender, they will look elsewhere or try to split your package. Ask what payment terms, retention and bonds apply, whether the contract is back-to-back with the main contract, and who carries design responsibility. These terms can matter as much as the price.
Step 5 – Track the project, not just the award
Packages are released over many months. Keep a simple pipeline sheet with the project, contractor, contact, package, expected enquiry date and status. Revisit it monthly. A contractor that did not need you in month two may be short of an installer in month ten.
Where to find awards early
Awards are announced in many places: stock-exchange disclosures by listed contractors, development-bank contract award notices, government press releases and trade media. Tender Leads Daily collects them every morning, tags each award with the trades the winner will need to buy, and lists them as contract awards. Always confirm details with the official source before you act.
Written by the Tender Leads Daily editorial team. This guide is general information, not legal or financial advice – procurement rules differ by country and buyer, so always follow the official tender documents.