What is mobilization financing?
Mobilization financing is a short-term bridge loan designed specifically for construction contractors who need capital to start a project before the first pay application clears. When you win a commercial contract, there's an immediate and unavoidable financial reality: costs start on day one, but revenue doesn't arrive for 60, sometimes 90 days.
That gap — between when you mobilize your crew and when the GC sends the first check — is what mobilization financing is built to close.
The mobilization gap in plain terms: You win a $500,000 contract. You need to hire a crew, order $80,000 in materials, transport equipment to the site, and pay your bond premium. You'll submit your first pay application in 30-45 days. The GC will pay it in another 30 days. That's 60-90 days of costs with zero revenue. Mobilization financing covers that gap.
Unlike a general working capital loan or a line of credit, mobilization financing is project-specific. It's structured against the value of your signed contract — not your balance sheet, not your equipment, not your real estate. The contract itself is the primary collateral. Repayment is tied directly to your pay application schedule, so you're paying back the loan as the money flows in from the project, not from your operating account.
I've been on both sides of this equation. When I ran a construction company, I dealt with the mobilization gap firsthand — the cash pressure of starting a project before a dollar of revenue arrived. Now, as a financing advisor, I help contractors structure the capital that closes that gap. The mechanics matter. A well-structured mobilization loan doesn't just solve a cash flow problem — it protects your operating capital and keeps your business in a position to take on the next contract while the current one is running.
How mobilization financing works
The process starts with your signed contract. Once you have an executed agreement with a GC or project owner, a lender can advance a portion of the contract value to cover your upfront project costs. Here's the typical sequence:
1. Contract awarded and signed
You need a fully executed contract in hand before most lenders will consider a mobilization loan. The contract details — total value, scope of work, payment schedule, and the identity of the GC or project owner — are the foundation of the lender's underwriting. They're essentially evaluating the creditworthiness of your client, not just you.
2. Application and underwriting
You submit your application with the contract, recent financial statements, bank statements, and basic business information. Lenders evaluate the contract value, the GC's credit profile, your track record, and your ability to execute the project. Unlike traditional bank underwriting, mobilization lenders understand construction cash flow — they're not penalizing you for revenue that spikes and dips with project starts and completions.
3. Loan structuring
The lender advances a percentage of your contract value — typically 10-30% — structured as a lump sum or draw schedule tied to project milestones. Repayment is built around your actual pay application schedule, so as the GC pays your progress billings, a portion goes to repay the loan. At project completion, the loan is fully repaid from your project proceeds.
4. Funding and mobilization
Once approved, funds typically arrive in 5-15 business days. You use the capital to mobilize — hiring your crew, procuring materials, transporting equipment, paying the bond premium, covering the first weeks of labor. The project moves. The pay apps come in. The loan repays itself from your project revenue.
What mobilization financing covers
Mobilization financing can be used for any legitimate project-related expense that needs to be funded before your first pay application clears. This includes:
Labor and payroll — crew wages, payroll taxes, workers' compensation premiums, and any subcontractors you need on site from day one. Payroll is often the single largest mobilization cost and the most time-sensitive.
Materials and supplies — steel, lumber, concrete, electrical components, HVAC equipment, or any materials that need to be ordered and delivered before work can begin. Material purchases at project start can easily run $50,000 to $200,000 on a mid-size commercial job.
Equipment transport and setup — the cost of moving heavy iron to the job site, fuel, rigging, crane picks for equipment positioning, and initial site setup. On civil and site work projects, this can be the largest single mobilization expense.
Bond premiums — performance bonds and payment bonds are typically required before work begins on public projects and many large commercial contracts. Bond premiums on a $1M project can run $10,000-$15,000 upfront.
Insurance — project-specific insurance policies, additional insured endorsements, and other coverage requirements that GCs impose as a condition of the contract.
Administrative and soft costs — permits, project office setup, safety compliance, mobilization of site infrastructure like temporary fencing and utilities, and other upfront costs that don't show up in your first invoice but are real costs on day one.
Who qualifies for mobilization financing
Mobilization financing is designed for commercial construction contractors and subcontractors — not residential contractors or owner-operators doing remodels. The product is built around commercial payment structures: pay-when-paid clauses, progress billing schedules, retainage, and GC-controlled payment timelines.
To qualify, you typically need:
A signed commercial contract with a creditworthy GC, project owner, government entity, or developer. The contract must be fully executed — a letter of intent or verbal commitment won't support a mobilization loan.
A creditworthy counterparty — the GC or project owner paying you. Lenders evaluate your client's credit as much as yours, because the repayment source is your project payments from them. A strong GC or government contract is a meaningful advantage in the underwriting process.
At least 1-2 years in business with documented revenue history. Lenders want to see that you've successfully executed commercial projects before. A startup with no track record will struggle to qualify regardless of the contract quality.
Basic financial documentation — recent bank statements, business tax returns or financial statements, and a current accounts receivable and payable aging. The bar here is lower than a traditional bank loan, but documentation is still required.
Credit score requirements are more flexible than traditional bank financing precisely because the contract de-risks the loan for the lender. A contractor with a 620 credit score and a solid $800,000 contract with a creditworthy GC can often qualify where a bank would decline.
How much can you borrow?
Mobilization financing amounts typically range from $50,000 to $2 million, though the actual amount you can borrow depends on several factors:
Contract value — most lenders will advance 10-30% of the total contract value for initial mobilization. On a $500,000 contract, that's $50,000 to $150,000. On a $2M contract, $200,000 to $600,000. Larger advances are possible with additional draws tied to project milestones.
Your counterparty's credit — a contract with a large national GC or a government agency allows lenders to advance more aggressively than a contract with a smaller private owner whose creditworthiness is less clear.
Your business history — contractors with a track record of successfully executing similar-sized contracts, clean financials, and an existing banking relationship will qualify for higher advance rates than newer businesses.
Project type — commercial, institutional, and government projects are viewed more favorably than speculative or developer-driven work where payment risk is higher.
What does mobilization financing cost?
Mobilization financing is more expensive than a traditional bank loan. That's the reality. It's a short-term, project-specific product that moves faster and has more flexible qualification criteria than conventional financing — those benefits come with a cost. Here's what to expect:
Interest rates typically range from 12% to 30% annually, though the short-term nature of the loan means the total cost in dollars is often more manageable than the annualized rate suggests. A 6-week mobilization loan at 18% annualized costs roughly 2% of the loan amount in total interest — which on a $200,000 advance is $4,000. If that $4,000 lets you execute a project generating $80,000 in gross profit, the math is straightforward.
Origination fees of 1-3% are common. Some lenders fold the fee into the rate; others charge it separately upfront.
Factor rates are used by some lenders instead of traditional interest — a factor of 1.10 means you repay $110,000 on a $100,000 advance regardless of how quickly you repay. Factor rates can be harder to compare to interest rates, so ask lenders to express the cost as a dollar amount and as an annualized rate so you can compare apples to apples.
Build it into your bid. The smartest contractors price mobilization financing into their project bids when they anticipate needing it. If you know a project will require $150,000 in mobilization capital at a cost of $4,000-$6,000, that cost belongs in your bid — not in your margin. Treating financing as an operating expense rather than a surprise protects your profitability.
Mobilization financing vs. other options
Mobilization financing is one of several tools available to contractors managing cash flow. Understanding how it compares helps you choose the right product for your situation.
| Product | Best for | Key difference |
|---|---|---|
| Mobilization financing | Funding project startup before first invoice | Pre-billing, contract-backed, project-specific repayment |
| Invoice factoring | Converting submitted invoices to immediate cash | Post-billing only — can't fund Week 1 startup costs |
| Business line of credit | Ongoing cash flow management across multiple projects | Revolving, not project-specific — better for established contractors |
| SBA loan | Long-term capital needs, acquisitions, equipment | Much slower process — 60-90 days — not suitable for project-specific needs |
| Merchant cash advance | Fast cash with no other options | Daily debits crush cash flow — last resort, not a strategy |
| Bank term loan | Established contractors with strong credit and collateral | Low rates but slow, rigid requirements, often won't lend against contracts |
The key distinction between mobilization financing and invoice factoring is timing. Factoring requires you to have already submitted an invoice — it converts a submitted but unpaid billing into immediate cash. Mobilization financing happens before any billing begins, funded against the signed contract. Most contractors who use both products use mobilization financing to get the project started and factoring or a line of credit to manage cash flow through the billing cycle.
When to use mobilization financing — and when not to
Use mobilization financing when: You have a signed contract with a creditworthy GC, your upfront project costs exceed your available working capital, and the project economics — contract value, margin, payment schedule — clearly support the cost of financing. Growing contractors who are taking on projects larger than their current cash reserves can sustain are exactly who this product is built for.
Consider alternatives when: You have existing credit facilities — a line of credit, a factoring relationship — that can cover the gap more cheaply. If you have $300,000 available on a line of credit at 8%, drawing that down is cheaper than a mobilization loan at 18%. Use the cheapest capital available before reaching for more expensive options.
Avoid when: The project margin doesn't support the financing cost. If you're bidding thin and a mobilization loan consumes half your profit, the math doesn't work. Run the numbers before you commit. A good financing advisor will run them with you and tell you honestly if the deal makes sense.