Valuation is not just about profit. It is also about how much cash the business needs to keep moving every day.
If stock is too high, customers pay late, or suppliers are being stretched, the price can shift fast. Buyers, investors, and advisers all look at stock, debtors, creditors, and cash because they change both risk and value.
Two businesses can show the same profit and still land on very different numbers. The working capital story is often the reason.
What working capital actually means in a valuation
In plain English, working capital is the money tied up in the day-to-day trade of the business. Net working capital is current assets minus current liabilities.
That sounds neat on paper. In a deal, it gets messy quickly. A buyer does not treat every balance sheet line in the same way. They want to know what is needed to keep the business running, what is surplus, and what creates risk.
If you want the wider picture on valuation methods, common business valuation methods for SMEs shows how buyers decide between income, market, and asset-based approaches.
The balance sheet items that matter most
These four items usually do most of the work in a sale or investment review.
| Item | What it means | Why buyers care |
|---|---|---|
| Stock | Goods held for sale, or materials waiting to be used | Too much stock can mean cash is sitting on a shelf. Slow-moving stock can become a write-off. |
| Trade debtors | Money owed by customers | Late payment ties up cash and raises collection risk. |
| Trade creditors | Money owed to suppliers | Supplier terms affect cash flow, but overdue bills can point to pressure. |
| Cash | Money in the bank | Surplus cash can add value, but operating cash is often needed to keep trading. |
A buyer reads these figures as a story about how the business really runs. Strong profit does not help much if cash is stuck in old invoices or dead stock.
Why normal working capital is different from excess cash
Normal working capital is the amount the business needs to trade at a steady level. Excess cash is different.
Not all cash belongs in the operating valuation. Some cash is needed for payroll, VAT, tax, stock buying, or the next few weeks of trade. Anything above that may be treated as surplus and priced separately.
That distinction matters. A business with £250,000 in the bank is not automatically worth £250,000 more. If £200,000 of that cash is needed to keep the doors open, only the surplus may affect the deal price.
This is why valuation teams ask for aged debtors, stock reports, monthly cash balances, and creditor listings. They want the real trading position, not a tidy year-end snapshot that flatters the picture.
How working capital feeds into the valuation number
Working capital affects the valuation number in three places. It changes future cash flow, it changes deal adjustments, and it changes how risky the business looks.
A buyer is not buying last year’s accounts. They are buying future cash flow and the certainty of getting it. If more money is locked up in stock or unpaid invoices, less cash is available to grow the business or pay the owner.
A business can look profitable on paper and still be short of cash on a Tuesday morning.
That is why the link between working capital and value is so direct. If the business needs constant top-ups to keep trading, the buyer will price that risk in. If the business runs smoothly with sensible balances, the number usually holds up better.
Why higher working capital can reduce free cash flow
Free cash flow is the cash left after the business has paid for its operating needs and investment spend. Working capital sits right in the middle of that.
If you carry more stock than you need, cash is trapped. If customers take longer to pay, cash is trapped again. The same profit can produce very different cash flow depending on those balances.
That matters in discounted cash flow thinking, because the buyer values future cash, not just accounting profit. A business that keeps swallowing cash inside working capital often looks less attractive, even when the profit margin is decent.
Why too little working capital can worry buyers
Too little working capital is not a badge of efficiency. Sometimes it is a warning sign.
Late supplier payments, a rising overdraft, or a scramble for cash at month-end can all point to pressure. Buyers see that and ask a simple question, “Will I need to put money in straight away?”
Lower risk usually supports a stronger valuation. A business that can pay its bills, buy stock, and collect debts without panic is easier to value and easier to buy.
The most common ways working capital changes deal value
The headline valuation and the final completion amount are not always the same number. That is where many owners get caught out.
The buyer may agree a price based on EBITDA, earnings, or a market multiple. Then the deal moves to completion accounts, where actual working capital is checked against a target level. If the business is below target, the price is reduced. If it is above target, the price can rise.
Think of it like buying a house with the furniture included. You agree a headline price first, then you find out what is really left in the rooms.
Completion accounts and target working capital
Target working capital is the normal level the business needs to trade.
If the agreed target is £180,000 and the completion accounts show only £150,000, the seller may lose £30,000 from the final proceeds. If actual working capital is £210,000, the buyer may pay £30,000 more.
That pound-for-pound adjustment is why working capital needs attention long before heads of terms are signed. If the number is ignored, the headline valuation can look fine while the final cash received tells a different story.
How stock, debtors, and creditors can push price up or down
Stock can help value, but only if it is current and saleable. A warehouse full of slow-moving items does not impress a buyer. It usually raises questions about write-downs and wasted cash.
Debtors matter because slow payers stretch the cash cycle. If a customer base is reliable, that is one thing. If aged debtors are full of overdue invoices, the buyer will price in the risk of chasing them.
Creditors can soften the strain on cash flow, but only up to a point. Good supplier terms help. Overdue supplier balances suggest the business is running hot and may need support after completion.
A buyer looks at the whole mix, not just one line. A company with the same profit as another can still be worth less if the cash cycle is weaker.
Why seasonality matters for SMEs
Some SMEs naturally hold more stock or debtors at certain times of year. Others collect cash in bursts.
A toy wholesaler, a landscaping business, and a Christmas product seller all have different cash needs. So do trades, manufacturers, and service firms with long billing cycles.
That is why one strange month tells you very little. Buyers and valuers should look at a full trading cycle, then strip out one-off spikes or dips. If they do not, the valuation can miss the real pattern.
What UK SME owners can do before a valuation
Good preparation does not need to be complicated. It does need to be tidy.
Clean records and sensible cash management help a valuation hold up better in due diligence. If the numbers are messy, the buyer will assume the risk is messy too.
Tidy up debtors, stock, and supplier balances
Start with overdue invoices. Chase them early, and be honest about what is collectible and what is not. Aged debtors that never get reviewed will make the business look weaker than it is.
Then look at stock. Slow-moving items, obsolete parts, and dead stock should be dealt with before anyone starts talking price. If they stay buried in the figures, they pull the valuation in the wrong direction.
Supplier balances need the same treatment. Strange creditor entries, old unpaid bills, or casual month-end delays all make the business look less stable.
Show a clear normal working capital position
A buyer wants to see what normal looks like. Recent monthly figures help more than one year-end snapshot.
Track stock, debtors, creditors, and cash across the year. If the business is seasonal, show that pattern clearly. If one month is distorted by a one-off order, a delayed payment, or a temporary stock build, write it down.
That makes the valuation easier to defend. It also makes the deal conversation less argumentative.
If you want a clearer starting point before talking to buyers, understanding what your business is worth is a sensible place to begin.
When to get advice before speaking to buyers or investors
If you are planning to sell, raise investment, or hand the business on, get the working capital position checked early. That is where small errors turn into price cuts.
Consult EFC works with SMEs that want a valuation they can stand behind. That includes growing firms, start-ups, owners looking at succession, and businesses preparing for a sale or funding round.
A clean working capital story gives you a better chance of reaching a fair figure, and a much better chance of keeping it when due diligence starts.
How Consult EFC can help
Working capital is not a side note in a valuation. It is part of the value itself.
Healthy working capital can support a stronger valuation because it shows the business can trade without strain. Too much cash trapped in stock or debtors can pull value down. Too little cash to run the business day to day can do the same.
If you are planning a sale, a fundraising round, or a succession event, get the working capital position straight before anyone else decides what it is worth. That is where a valuation starts to hold up.
Exit & Sale Planning
Tax & HMRC Schemes
Shareholders & Buyouts
Valuation Methodologies
Not sure what your business is worth right now?
Request a confidential valuation — ICAEW Chartered Accountants, Big Four trained. No junior analysts. Fixed fees.
Request My Valuation
Over 12 years across Big Four audit, Investment Banking and corporate advisory. Kishen works with UK SMEs on valuations, exit planning, fundraising and financial strategy. ICAEW regulated. Big Four trained. Based in London.