Many business owners concentrate on turnover, profit and sales growth, but one of the most important financial indicators is often overlooked: working capital.
A business can be profitable on paper and still struggle to pay suppliers, wages or tax bills if it doesn’t have enough working capital.
Understanding how working capital affects your business can help you improve cashflow, plan for growth and make better financial decisions throughout the year.
What is working capital?
Working capital measures the money your business has available to cover its short-term day-to-day obligations.
In simple terms, it compares what your business owns in the short term, such as cash, stock and unpaid customer invoices, against what it owes in the short term, such as supplier invoices, wages and tax liabilities.
Positive working capital generally means your business can comfortably meet its financial commitments.
Negative working capital may indicate that cashflow could become a problem if action isn’t taken.
Why working capital is important
Working capital is essential because it keeps the business operating smoothly.
Without enough working capital, businesses can experience:
- Difficulty paying suppliers
- Delayed payroll
- Problems paying VAT or Corporation Tax
- Reduced ability to invest
- Increased borrowing
- Pressure on cashflow
Even profitable businesses can experience these issues if too much money is tied up elsewhere.
What affects working capital?
Several factors influence working capital, including:
Late customer payments
If customers take longer to pay, cash remains tied up in unpaid invoices.
This reduces the money available to cover everyday business costs.
High stock levels
Holding excessive stock ties up cash that could be used elsewhere.
Reviewing stock regularly can help improve cash availability.
Supplier payment terms
Negotiating sensible payment terms with suppliers can improve working capital by allowing more time before payments are due.
Unexpected costs
Large repairs, tax bills or emergency purchases can quickly reduce available working capital if they haven’t been planned for.
Signs your working capital needs attention
Business owners should monitor for warning signs such as:
- Regular overdraft use
- Difficulty paying suppliers
- Chasing customer payments more frequently
- Delaying investment decisions
- Using personal funds to support the business
- Increasing short-term borrowing
- Falling cash reserves
These don’t always mean the business is in trouble, but they do indicate that closer monitoring may be needed.
How to improve working capital
Improving working capital often starts with small operational changes.
These may include:
- Issuing invoices promptly
- Following up overdue payments
- Reviewing customer payment terms
- Managing stock more efficiently
- Negotiating supplier terms
- Reducing unnecessary overheads
- Forecasting cashflow
- Reviewing pricing and profitability
Regular financial reporting also helps identify opportunities before problems develop.
Why bookkeeping matters
Accurate bookkeeping provides the information needed to monitor working capital effectively.
Without up-to-date records, it’s difficult to know:
- Which customers owe money
- What bills are due
- How much cash is genuinely available
- Whether stock levels are appropriate
Good bookkeeping gives business owners confidence in their financial decisions.
Working capital and business growth
Growing businesses often need more working capital than expected.
Taking on larger contracts, recruiting staff or increasing stock levels can all place additional pressure on cash, even when sales are increasing.
Planning ahead ensures growth doesn’t create unnecessary financial strain.
How management accounts help
Monthly management accounts provide a clear picture of your working capital position.
They allow business owners to monitor trends, identify potential issues and make informed decisions before problems affect the business.
Rather than relying on a bank balance alone, management accounts provide the financial insight needed to plan confidently.
Final thoughts
Working capital is one of the most important measures of a business’s financial health.
Understanding how cash moves through your business allows you to make better decisions, improve resilience and support sustainable growth.
At Merranti Accounting, we help businesses monitor working capital through accurate bookkeeping, management accounts and proactive financial advice, giving business owners the information they need to stay in control all year round.
Written by Steve Watts
