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How to Prevent a Cash Flow Crisis
For many small business owners, running out of cash doesn’t happen overnight. It’s usually a slow build: a few late payments, rising costs, a quiet sales period, and then suddenly things feel tight. Subsequently, the cash flow situation gets tighter, and then urgent.
The reality is that cash flow problems are among the most common reasons small businesses fail, but the good news is that they are also one of the most preventable.
Our guide identifies the early warning signs and helps you take practical steps to protect your business before a cash flow issue becomes a crisis.
What is cash flow, and why does it matter?
Cash flow is simply the movement of money in and out of your business. It includes cash coming in from sales, payments from customers, funding etc, and cash going out due to rent, wages, suppliers, tax, software and other overheads.
You can be profitable on paper and still run into trouble if cash isn’t available when you need it. That’s why cash flow management for small businesses is not just a finance task — it’s a core survival skill.
Early warning signs of a cash flow problem
Most cash flow crises give you signals. The key is recognising them early.
What to look out for:
- Regularly checking your bank balance with concern
- Delaying payments to suppliers
- Relying on overdrafts or credit more frequently
- Chasing overdue invoices more often
- Not paying yourself (or paying yourself inconsistently)
- Feeling unsure about upcoming tax bills
If any of these feel familiar, it’s time to take action now, not later.
1. Build a simple cash flow forecast
One of the most effective ways to prevent a crisis is to look ahead. A cash flow forecast doesn’t need to be complicated. Start with a simple spreadsheet covering the next 3–6 months:
- Expected income (based on realistic sales, not best-case scenarios)
- Fixed costs (rent, salaries, subscriptions)
- Variable costs (materials, marketing, utilities)
- Tax liabilities (VAT, Corporation Tax, PAYE)
This helps you answer a crucial question: “Will I have enough cash in the bank each month to cover my costs?” If the answer is unclear, that’s your first priority.
For a more in-depth guide on how to plan your cash flow, take a look at our blog post here.
2. Get paid faster and more consistently
Late payments are one of the biggest causes of cash flow pressure. Improving how and when you get paid can make an immediate difference, and improving cash inflow is often faster than cutting costs.
Practical steps:
- Invoice immediately — don’t delay
- Set clear payment terms (e.g. 7 or 14 days, not 30+)
- Take deposits upfront for larger projects
- Offer staged payments
- Use automated reminders
You can also consider incentives for early payment or small penalties for late payment, where appropriate. As a small business owner, it’s worth remembering that you can charge interest if a business is late paying you for goods or services. The statutory interest rate in the UK is 8% plus the Bank of England base rate. Find full details here on how to charge interest and when on the Gov.uk website.
3. Review your pricing
If cash is consistently tight, pricing may be part of the problem. Many small businesses underprice, especially in the early stages.
Ask yourself:
- Are your prices covering all costs, including your time?
- Have your costs increased since you last reviewed pricing?
- Are you attracting price-sensitive customers who delay payment?
What you can do:
- Gradually increase prices for new customers
- Introduce minimum project values
- Bundle services to increase transaction value
- Communicate price increases clearly and confidently
Better pricing improves both profitability and cash flow stability.
4. Reduce cost leakage
Small, recurring expenses can quietly drain your cash. This is often called cost creep.
Take time to review:
- Subscriptions and software tools
- Marketing spend that isn’t delivering results
- Underused services or memberships
- Supplier costs
You can gain some quick wins by cancelling or downgrading anything that isn’t actively supporting your business. Even the smallest of savings will add up and can create a little breathing space.
5. Manage payment timing strategically
Cash flow isn’t just about how much you earn — it’s about when money moves. You can improve your position by managing your outgoings more strategically.
Consider:
- Negotiating longer payment terms with suppliers
- Aligning payment dates with your income cycles
- Spreading large payments where possible
Most suppliers prefer communication over late or missed payments. Having a simple conversation can often create flexibility and build relations.
6. Diversify your income streams
Relying on a small handful of clients increases risk. If one payment is delayed or a contract ends, your cash flow can take a hit.
Ways to diversify:
- Introduce new services or products
- Offer retainers or subscription models
- Upsell to existing customers
- Re-engage past clients
Predictable income streams, such as retainers, are particularly valuable for smoothing cash flow.
7. Build a cash buffer
Even a small cash reserve can act as a safety net. Aim to slowly build a 3-6 month buffer by setting aside a percentage of each payment, such as 5-10%. You can put this into a separate account or savings space. This will give you something to fall back on during quieter periods, reduce your reliance on credit, and give you more control.
8. Know your funding options before you need them
When cash flow becomes critical, decisions are often rushed and sometimes ill-informed. It’s far better to fully understand all of your options in advance.
Potential funding sources might include business overdrafts from your bank, short-term loans, and grants. Each option has pros and cons, particularly around cost and repayment terms. The key is to plan, not panic.
Take a look at our in-depth guide on how to get business funding here. For forthcoming local funding opportunities, we always have our finger on the pulse, so please check our Business Funding page regularly for updates.
9. Don't ignore your tax liabilities
Tax is one of the most common causes of sudden cash shortages. It’s easy to overlook, especially during busy periods.
Stay on top of:
- VAT payments
- Corporation Tax
- PAYE and National Insurance
Set aside money regularly so tax bills don’t come as a shock. If you’re a freelancer, make sure you consistently set aside the right percentage of income tax and National Insurance with every payment. Treat tax as a non-negotiable cost, not an afterthought.
10. Take action early
The biggest mistake small business owners make is burying their heads in the sand and waiting too long. Cash flow issues rarely fix themselves. If you’re starting to feel pressure, review your numbers immediately and reduce unnecessary spending. Where you can, plan the timings of costs going out and payments coming in to make them work better for you. And if you start getting the early warning signs (see above), seek advice early. The earlier you act, the more options you have.
Having a cash flow problem doesn’t mean your business is failing. It’s usually a sign that something needs adjusting, whether that’s pricing, processes, costs, or planning.
The most resilient businesses aren’t the ones that never face challenges. They’re the ones that spot risks early and respond quickly. By improving your cash flow management and taking proactive steps, you can protect your business from unnecessary stress and create a more stable foundation for growth. Ultimately, staying in control of your cash means staying in control of your business.
Are you a business owner in Devon or Somerset? Would you like some free advice on any of the areas covered in this article, or on any other business challenges you’re facing? We’re here to help. Take a look at our current business support programmes here to see what’s available right now and to check your eligibility.
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