Most trade contractors reach large public work as subcontractors rather than primes. The timing of a single phone call — during the advertisement period rather than after award — determines whether you are in the bid at all.
Large public projects go to general contractors with the bonding capacity, prequalification and management structure to carry them. A roofing, electrical or paving firm with fifteen employees is rarely bidding a school construction project as prime.
But that project needs a roofer, an electrician and a paving contractor. The work reaches you through the GC, which makes the relationship with primes as commercially important as your relationship with agencies.
The timing point that matters most: primes assemble subcontractor pricing during the bid advertisement period, before the deadline. By the time an award is announced, the sub pricing was locked weeks earlier. Contact made after award is contact made too late.
When a public project advertises, the primes intending to bid begin soliciting subcontractor quotes immediately. They need numbers before they can submit theirs.
That creates a short, specific window — typically the two to three weeks between advertisement and bid opening — during which a sub can get into a prime’s number. Miss it and the opportunity is gone regardless of how good your pricing is.
The practical implication: seeing solicitations early matters even if you never bid as prime. A contractor who learns on Monday that a hospital renovation advertised can call the likely primes on Tuesday. A contractor who hears about it from a supplier three weeks later is calling after the bid closed.
Two public sources tell you which primes to contact.
Plan holders lists. Most procurement platforms record who has downloaded the solicitation package, and the list is frequently public. That is your call list — the firms actively considering the project.
Pre-bid meeting attendance. Where a pre-bid is held, the sign-in sheet is usually available and shows who turned up. Attending yourself is also worthwhile even as a sub, because the primes are all in one room.
Beyond that, past bid tabulations show which primes consistently bid which agencies — see how to read bid results.
On federally assisted work, particularly FDOT and transit projects, primes must meet Disadvantaged Business Enterprise participation goals or document good faith efforts to do so.
This inverts the usual relationship. Instead of you chasing primes, primes search the DBE directory for certified subs in the trades they need and call you. For a certified firm the practical effect is a steady flow of solicitations from GCs who would never otherwise have found you.
Florida operates a Unified Certification Program, so one certification is recognised statewide — see DBE certification in Florida. Keeping your directory listing accurate on work types and geography is what makes you findable.
Public projects carry a protection that private work does not.
Payment bonds. Public construction above thresholds requires the prime to furnish a payment bond guaranteeing that subcontractors and suppliers are paid. On federal work this is the Miller Act; Florida has an equivalent statutory scheme for state and local public work.
The significance: you cannot lien public property, so the payment bond is your remedy if a prime fails to pay. Claims against it carry strict notice requirements and deadlines, and missing them can forfeit the claim entirely.
If payment becomes a problem on a public job, establish the bond claim deadlines immediately and take advice. This is a legal matter with a clock on it — see also bid bonds explained for how the bonding package fits together.
Requirements the agency imposes on the prime generally flow down to you: insurance limits and endorsements, prevailing wage and certified payroll where applicable, schedule commitments, documentation, and safety requirements.
Read the subcontract, not just the quote request. A sub who prices without accounting for weekly certified payroll on a Davis-Bacon job has left the administrative cost out of the number — see prevailing wage in Florida and insurance requirements.
The subs who get called consistently did three things: they quoted reliably during bid periods, they performed on the jobs they won, and they made themselves easy to work with. None of that is complicated and all of it compounds.
The one thing that cannot be substituted is seeing the project while the bid period is open.
Solicitations in your trade and counties at 7am, while the bid period is still open and primes are still pricing. Twenty-five founding seats at $79/mo, locked for life.
Claim a founding seat