Cash flow management for an SME

Managing cash is not the same as forecasting it

A forecast tells you a thin week is coming in week nine. Useful — but on its own it changes nothing. Management is what you do with those three weeks of warning: which invoice you chase, which payment you move, which order you delay. And the better you manage, the less dramatic your forecast becomes. The goal is not to get good at predicting crises; it is to run the business so that thin weeks stop turning up.

One honest caveat before the levers. Cash management buys you time; it does not repeal arithmetic. A business that is fundamentally unprofitable can be run beautifully on the cash side and still, in the end, be caught by the facts — no amount of clever timing fixes a model that loses money on every sale. What follows is for the far more common, and far more fixable, situation: a profitable, healthy business that hits a cash pinch because customers pay late while the bank, the tax office and payroll simply do not wait.

The good news, in that situation, is that you have more levers than you think — and most of them cost nothing but attention.

Get paid faster — the biggest lever you have

For most SMEs this is where the cash is hiding, and it starts earlier than the invoice. Are you chasing timesheets, shipping documents or packing lists for weeks after the customer already has the goods — and only then sending an invoice, with thirty days on top? That is a very common way to make yourself nervous looking at your own bank account. The fixes, roughly in order of impact:

Invoice fast, and in stages. Bill as soon as the work is done, not once the last piece of paperwork drifts in. For longer projects, invoice in regular cycles throughout rather than in one lump at the end — it smooths your cash and lowers the amount at risk if a client turns slow.

Fix the terms before you start, not after. If you have agreed to bill only once the whole job is complete, that was a choice — make a better one with the next client. Set payment terms at the outset, in writing.

Match the terms to your size — and push back on the giants. Large corporations love to wave an “internal buying handbook” at you with ninety-day terms. Two things are worth knowing: a surprising number of them keep explicit exceptions for SMEs, and even those that do not still chose to work with you for a reason. It is entirely fair to reply that your own guidelines, regrettably, do not allow terms beyond thirty days. Say it politely; say it anyway.

Watch the drift. Keep a regular eye on outstanding invoices — not just who is overdue, but who is creeping. A client who pays two days late, then five, then lets the fifth invoice run twenty days over is telling you something before it becomes a real problem. Catch it early, while a quiet word still does the job.

Remind before it is late, not after. Send a short balance overview a few days before an invoice falls due — a gentle “this is coming up” rather than an accusatory “this is overdue.” It is friendlier, and it heads off a large share of late payment entirely.

For the persistent offenders, put it in the contract. With a notorious late payer, agree late-payment fees in the next engagement, and mean them. Worse than losing a client is working for a client and never being paid.

Pay well, not late

The other side is more delicate, and there is a hierarchy to it.

The bank and the tax office always win. Pay both on time, always. The interest, the penalties and the trouble that follow a missed payment are never worth the few days of cash you borrowed against them.

Salaries are non-negotiable. Pay your people on time — not only because anything else is bad form, but because good employees can smell trouble and leave quickly, and because late wages create legal problems you do not want. This is not where you look for flexibility.

Suppliers are where the give is. Use the full terms you agreed — paying a thirty-day invoice on day eight helps no one but them, and a weekly payment run rather than paying invoices as they land smooths your outflows nicely. In a genuine pinch, a supplier's reminder cycle — a first reminder, then a formal warning, then sharper words and eventually collections — does buy you a little time. Do not abuse it. If the crunch is temporary and you can see it coming, the good-form move is to call the supplier first and say you will be a few days late while you wait on a customer payment. Most will accept that gracefully from a customer who normally pays.

And if you need more room as a matter of course, ask for longer terms openly. Negotiated is free; simply paying late is expensive.

Don't leave cash sitting in stock

If you hold inventory, this is where cash goes to sit quietly and do nothing. Every item on the shelf is money you have already paid out and cannot use until someone buys it. Look hard at the slow movers you ordered for a volume discount that has not shifted since — that discount was, in effect, a loan you made to yourself at a poor rate. Ordering more often in smaller quantities frees cash even at a slightly worse unit price. The same goes for work in progress: a project that is 80% complete and unbilled is inventory by another name, so bill it in stages.

When it is genuinely tight: one-off moves

Sometimes the pinch is real and now, and the steady levers are too slow. This is where you sell a little of the family silver — the business equivalent — to get through the valley. None of these are habits; they are tools for a specific bad month.

Turn assets into cash. Is there expensive machinery you could borrow against, or put through a sale-and-leaseback so it keeps working while releasing the cash tied up in it? Could a clearance sale with real promotions turn slow-moving stock back into money this week?

Manufacture revenue you can collect today. A workshop, a coaching session, a live event announced on short notice — tickets sold and paid online now. Or you, the founder, back on the tools for a few weeks generating billable hours or high-value work. Cash today beats margin next quarter when the wolf is at the door.

Come clean to a chosen few customers. Pick a handful of customers you trust — ideally ones who were once a small business themselves and remember the phase you are in — and simply ask. Would they settle today's invoice now rather than in twenty-eight days? Would they pay it today for a one-off 2% discount? Would they pre-pay the next stage of a project in return for a small discount or a little extra scope? People help people they like, and you will be surprised how often the answer is yes.

Use these deliberately and sparingly. They carry you across the valley — the steady levers are what keep you off the valley floor in the first place.

Build the buffer before you need it

Everything above is easier from a position of a little slack. Two things are worth putting in place while the business is calm, precisely because they are cheap then and dear later.

Hold a cash buffer. A reserve of a few weeks' outflows turns a crisis into an inconvenience: when your largest customer pays two weeks late, the buffer decides whether that is an irritation or a very bad Friday. Many SMEs aim for four to eight weeks — express it in weeks, not euros, so it is a number you can manage against.

Arrange credit before you need it. A modest overdraft or credit line set up while you are comfortable is cheap and rarely drawn. The same facility requested mid-squeeze is expensive, slow and sometimes refused — because the moment you visibly need it is the moment it looks risky to the lender. If your forecast shows a funding need months out, have that conversation early, from a position of strength, with the figures in your hand.

Frequently asked questions

You could do all this yourself. It is the follow-through that fails.

None of this is complicated. Invoice sooner. Chase on a schedule. Use your terms. Do not let stock sit. Keep a buffer. Any capable owner can read that list and agree with all of it.

And that is exactly the problem. These are not decisions, they are habits — and habits are the first thing to slide when the business gets busy. Chasing invoices is nobody's favorite job, so it becomes the thing that happens when there is time, which means the month you most need the cash is the month nobody chased. The list does not fail because it is hard. It fails because it is relentless.

That is the part we take on. Every situation is different, so we act as your sparring partner: we set up the cash flow reporting and forecast — see our guide on how to set up a cash flow — then help you read it, which lever to pull this quarter, which slow payer to tackle, and, when it gets tight, which one-off move actually fits your business. We put the routine in place and keep it running, so the cash you have already earned arrives sooner and the nasty surprises stop arriving at all.

Off your plate. A short call is usually all it takes to see whether we can help.