A small agency wins a $100,000 contract. The founders celebrate. They hire a new developer, buy new equipment, and start working immediately.
Sixty days later, the agency is out of cash and facing bankruptcy.
They didn't lose the client. They didn't do bad work. They just structured the payment terms poorly. They agreed to 100% payment upon completion on a Net-60 schedule. They did $100,000 worth of labor, and the client's accounting department took two months to process the invoice.
Profit means nothing if you don't have the cash flow to make payroll on Friday.
The payment terms in your proposal are just as important as the total price. If you let the client dictate the cash flow, they will always optimize to hold onto their money for as long as legally possible. Here is how you take control of the payment terms and protect your business.
1. The Deposit: Never Start Work for Free
You would never walk into a car dealership, take a car, and say, "I'll pay you in 30 days after I make sure I like driving it."
Yet, B2B agencies do this every day. They sign a contract and immediately start burning unbillable hours without collecting a dime.
Rule #1: The project does not start until the deposit clears.
- For projects under $10,000: Demand 100% upfront. Do not act like a bank for small projects.
- For projects $10,000 to $50,000: Demand 50% upfront, 50% upon completion.
- For projects over $50,000: Structure milestone payments (e.g., 30% deposit, 30% at milestone one, 30% at milestone two, 10% upon final delivery).
How to phrase it in the proposal: "To secure a position in our production schedule and commence the Discovery Phase, a non-refundable mobilization deposit of [Amount] is required. Project timelines will officially commence upon receipt of this deposit."
2. Kill the "Net-30" Default
"Net-30" means the client has 30 days to pay you after receiving the invoice.
Why are you giving them a 30-day interest-free loan? If you complete a project today, you should be paid today.
Large enterprise clients will often try to force Net-60 or even Net-90 terms on you, citing their "standard vendor policy." You have to push back, or you have to charge them for the privilege of holding your money.
How to negotiate Net Terms: Client: "Our standard vendor policy requires Net-60 payment terms." You: "I understand. The $50,000 quote provided is based on Due Upon Receipt terms. We can certainly accommodate Net-60, but because we are financing the labor for two months, we apply a standard 5% financing premium to the total contract value. Would you prefer the standard $50,000 price or the $52,500 Net-60 price?"
When you make them pay for the delay, they suddenly figure out how to process invoices much faster.
3. Tie Payments to Deliverables, Not Approvals
This is the deadliest trap in service-based contracts.
If your proposal says, "Final 50% payment is due upon Client Approval of the final website," the client can hold your money hostage indefinitely simply by refusing to say the word "approved."
They will ask for a fourth revision. They will say their CEO is on vacation and can't review it until next month. Meanwhile, you aren't getting paid.
Rule #2: Tie your invoices to your delivery, not their approval.
How to phrase it: "Final payment of [Amount] will be invoiced upon the delivery of the Final Release Candidate to the staging environment. Payment is due within 5 business days, regardless of the Client's internal launch schedule or final approval delays."
You did the work. You delivered the product. You deserve to be paid. If they want to wait six months to launch it, that is their problem, not yours.
4. The Stop-Work Clause (The Kill Switch)
What happens if the client misses a milestone payment in the middle of a massive project?
Most agencies just keep working, hoping the client will eventually pay. Suddenly, the client owes them $40,000 instead of $10,000.
You must have a Stop-Work clause explicitly outlined in the proposal.
How to phrase it: "All invoices are Due Upon Receipt. If any invoice remains unpaid 7 days after the issue date, [Your Company] reserves the right to immediately suspend all project work, including disabling staging environments and halting development, until the account is brought current. Project timelines will be extended accordingly."
The threat of the project grinding to a halt is usually all it takes to get the CFO to authorize a wire transfer.
5. Enforcing Late Fees (The "Bad Cop" Automation)
Nobody likes asking a client for money. It feels awkward and confrontational.
Take the emotion out of it. Put a strict late fee policy in the proposal, and use your invoicing software to enforce it automatically.
How to phrase it: "Invoices not paid within 15 days of the due date will accrue a late fee of 1.5% per month (18% APR) on the outstanding balance, or the maximum rate permitted by law."
When the invoice is late, you don't send an angry email. You let your automated billing system send a generic, system-generated reminder with the late fee attached. The client gets mad at the "system," not at you, and they pay the bill to avoid further penalties.
Cash flow is the lifeblood of your business. Standardize your payment terms using a quoting tool like AutoQuote, demand your deposits upfront, and never apologize for asking to be paid for the work you delivered.