Win the contract, not a cash-flow headache: cash-flow protection for large contracts starts well before you submit the tender
- Jul 20
- 7 min read
How to ensure a profitable proposal is actually one you can afford to deliver.
For a CEO and board, working out whether a contract is profitable and mapping out the cash flow needed to deliver it are never the same question, and far too often only one of them gets properly tested before the proposal is submitted:
- The price shows a healthy profit across the full term of the contract, the board or leadership team signs off, - Delivery begins, and it's often only a few months in that cash-flow pressure builds from funding several months of payroll, suppliers and setup costs and it is still several months before the customer's next payment is due.
Cashflow stress is a critical commercial problem, not that the tender was a poor decision, or the pricing was wrong; the problem is the impact the delivery work will have on cashflow wasn't considered.
A "profit only" tender tells you what the contract is worth - nothing about what cash is needed and when.
Generally submissions are built by:
projecting revenue,
applying a profit margin, and
confirming that the total return justifies the effort of tendering
Each part of that model may be accurate, and the contract may still end up being a strong result over its full term. The difficulty is that a model built this way usually answers a very narrow set of questions.
This revenue-and-margin style of proposal tends to concentrate on:
What is the expected revenue across the life of the contract?
What profit margin does the work produce once costs are applied?
What resourcing does delivery require, in general terms?
What terms and conditions has the customer or funding body set?
These things are useful to know, but they aren't enough to decide whether the organisation can actually start the work. Leadership should also understand:
when does the money goes out?
when does it comes back in?
how far apart those two dates sit at their worst point?
how will the organisation fund this in the meantime?
Signs a proposal has only been assessed on profit, not cashflow
These signs suggest a submission has been tested for profitability, but not yet tested for whether the organisation can actually fund it:
The model shows total revenue and total profit margin, without a month by month cash view underneath it.
Nobody has mapped the gap between when costs are committed and when the first payment is expected to land.
The payment terms have been taken at face value, without accounting for milestones, approvals or evidence requirements.
Recruitment, onboarding and setup costs haven't been separated from the ongoing delivery costs.
No one has identified the lowest point the cash position will reach, only the average across the full term.
The forecast hasn't been checked against the organisation's existing payroll, supplier and banking commitments.
There's no plan for what happens if recruitment, approvals or payment take longer than expected.
These signs show the sales team has built the process around winning the work so the terms are primarily sales driven meanwhile nobody has gone back to finance and modeled it around the cash required to deliver it.
A practical example
Consider a business bidding for a $1.2 million contract that will run across twelve months. The work is expected to produce an acceptable profit, although delivery requires four additional employees, specialist contractors and new technology licences.
The employees must begin three weeks before the formal contract commencement date, to get them through induction. The first invoice can only be raised after the initial milestone has been completed and approved, while the customer then has thirty days to pay.
The business will need to find sufficient cash for:
Recruitment fees and onboarding costs before delivery begins.
Several payroll cycles before receiving customer cash.
Contractor invoices payable within fourteen days.
Annual software licences paid at the beginning.
Travel and setup costs incurred during mobilisation.
Existing operating costs that continue throughout the period.
The contract may eventually generate a strong result. However, the business could still require significant amounts of additional cash during the opening months.
Without a contract-specific cash forecast, management usually discovers the pressure for cash arising just after the employees have been hired once the supplier commitments have become difficult to change.
Five questions every proposal needs to answer
1. When does the cash actually need to go out?
A forecast should identify the real timing of cost commitments, not simply the total cost across the contract. Leadership needs to see when new employees start and when their first pay run falls, when contractor and supplier invoices become due, and when equipment, technology or insurance costs need to be paid up front, because these commitments often land weeks or months before the first invoice can even be raised.
2. When can the first invoice actually be raised, and what has to happen before that?
Payment terms rarely tell the whole story on their own. A contract may state payment within thirty days, while the practical reality is that an invoice can only be raised once a milestone has been completed, approved by the customer, and supported by the right documentation, which can easily turn a thirty day term into something closer to sixty or ninety days once you count from the point the work was actually finished to the point the invoice is able to leave the building.
3. What is the lowest point the cash position will reach, and when does that happen?
A contract can produce a healthy result across twelve months while still requiring a significant amount of additional cash in the first quarter, because profit accumulates gradually while set-up costs tend to land all at once. The forecast should show the profit month by month, not just the average, since if there is a low point handling that is what determines whether the organisation can actually get through the opening months.
4. What is this doing to the rest of the organisation while it's happening?
A large contract doesn't operate in isolation from everything else the business is carrying. The forecast should show what the contract's cash requirement means for existing payroll and supplier commitments, tax and superannuation obligations, current customers and service standards, and any banking facilities or board approved reserves the organisation may need to draw on in the meantime.
5. What would change the Cashflow, and who is responsible for tracking it?
Recruitment can run late, approvals can be delayed, and customers can pay slower than their stated terms suggest. The forecast should identify what happens to the cash position if any of these occur, and it should be clear who is responsible for updating the forecast, watching the actual position against it, and flagging when the assumptions have shifted.
What a profit only tender can cost you
What assessing a tender on profit alone can lead to:
Leadership seeing the cash pressure as a delivery problem, when it was actually a planning gap.
The organisation needing to arrange funding under pressure, at a point when it has far less room to negotiate.
A contract that's genuinely both profitable and fundable doesn't remove all the pressure of a big commitment, but it does mean that pressure was chosen with clear eyes, rather than discovered halfway through delivery.
Three changes that make a proposal genuinely fundable, not just profitable
Build the cash timeline before you submit, not after you win
The proposal shouldn't need a huge complex model, it needs a second layer underneath the revenue and margin, a cash-timeline that maps every major cost against the date it falls due, and every expected receipt against the date it's realistically likely to land, so the lowest point in the cash position is visible before anyone signs anything.
A practical cash timeline can include:
Cash required: State the total additional funding the contract needs at its lowest point.
Timing of the trough: Identify when in the delivery period that low point occurs.
Cost commitments: Show recruitment, supplier, contractor and setup costs against their actual due dates.
First invoice date: Confirm what has to happen operationally before that invoice can be raised.
Payment reality: Show the likely gap between invoicing and cleared funds, not just the stated term.
Existing commitments: Show what the organisation still has to fund elsewhere while this is happening.
Contingency: Identify what happens, and what's available, if any of these dates slip.
This structure helps leadership review the proposal with the full picture, and it also puts the organisation in a stronger position with the customer or funder, because the cash timeline becomes the basis for the terms you go back and negotiate.
Use the payment terms as a starting point for negotiation, not a fixed condition
Once the cash timeline is visible, it becomes much easier to see which terms are actually creating the pressure, and depending on the customer or funding body, there may be room to negotiate:
an upfront payment before major costs are incurred,
more frequent invoicing during the early delivery period,
progress payments linked to clearly defined milestones,
shorter approval windows once work is completed, or
reduced retentions with an earlier release condition.
Not every request will be accepted, but a business that can show exactly when its costs land and what a delayed approval does to its cash position is negotiating from evidence, not from a general request for better terms.
Keep the forecast working after the contract starts, not just before it's signed
The cash forecast shouldn't be filed away once the tender is won, it needs to be updated regularly as actual recruitment dates and employment costs come in, as supplier pricing and payment terms are confirmed, as approvals or milestones run ahead of or behind schedule, and as the wider organisation's cash position moves.
A forecast that's kept current will show three things at any point, being where the organisation expected to be, where it actually is, and why the two have moved apart, and that's what gives a CEO, board or delivery lead enough warning to act before the pressure becomes urgent.
Working out whether a contract is profitable and mapping out the cash flow needed to deliver it are never the same question, and far too often, only one of them gets properly tested before the bid is submitted. A strong price is worth celebrating, but it's only half the story until someone has confirmed the organisation can actually carry the contract through its opening months.
Would a clearer cash forecast change your next tendering decision?
If you're a CEO, founder, business owner, NFP leader or board member preparing to submit a large bid, tender or grant application, Diamond Business Advisory can help you understand what the contract will actually cost to deliver, where the cash pressure is likely to sit, and which terms are worth negotiating before you sign.
If you're carrying this kind of uncertainty, an introductory financial clarity call is designed to help clarify what needs attention.
You can also use the contact form to outline the contract cash pressure your CEO, board or finance team is currently working through, or visit How Things Happen to understand how the first conversation works.
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