Cash flow gaps happen to almost every business at some point, a large invoice paid late, an unexpected expense, a seasonal dip in income. Short-term funding exists specifically to bridge these gaps, and the right option depends heavily on why you need the money and how quickly you can repay it.

Direct answer: the main short-term business funding options are a business overdraft, a short-term business loan, invoice finance, a merchant cash advance, and a business credit card. Each suits a different situation: an overdraft for occasional, modest gaps, invoice finance if slow-paying customers are the core issue, and a short-term loan for a specific, larger need with a clear repayment plan. This is general information, not financial advice tailored to your business, and it’s worth discussing your specific situation with an accountant or financial adviser before committing to any funding option.

Business overdraft

An agreed overdraft on your business bank account lets you dip into a pre-approved negative balance as needed, only paying interest on what you actually use.

Best for: occasional, modest cash flow dips where you need flexibility rather than a large lump sum.

Short-term business loan

A fixed amount borrowed for a defined period, typically repaid over a few months to a couple of years, with a clear repayment schedule agreed upfront.

Best for: a specific, identified need, such as bridging a known gap before an expected payment, where a defined repayment plan works better than open-ended flexibility.

Invoice finance

Borrowing against the value of your unpaid invoices, giving you access to cash tied up in payments customers haven’t made yet. Our guide on invoice discounting for small business covers this specific option in more depth.

Best for: businesses where slow-paying customers are the actual root cause of cash flow pressure.

Merchant cash advance

An advance against future card sales, repaid automatically as a percentage of ongoing card transactions rather than fixed monthly payments.

Best for: businesses with consistent card sales wanting repayments that flex naturally with revenue, though this option often carries a higher overall cost than other routes.

Business credit card

Useful for smaller, shorter-term expenses, particularly when paid off within an interest-free period. Less suited to larger funding needs due to typically higher interest rates if carried over time.

Best for: smaller, everyday expenses rather than a significant funding gap.

A simple comparison

What to consider before choosing

• The actual cost, including interest rates and any fees, compared honestly across options
• Repayment flexibility, and whether that matches how your income actually flows
• How quickly you genuinely need the funds, since some options are faster to arrange than others
• The root cause of the gap, since the right funding type often depends on why the shortfall exists in the first place

When funding isn’t the right first step

Short-term funding solves a cash flow symptom, but it’s worth honestly checking whether the underlying cause, such as consistently slow-paying customers or pricing that doesn’t cover costs, needs addressing directly rather than being repeatedly bridged with borrowed funds.

Getting the right advice

This guide is a general overview to help you understand the landscape, not a recommendation for your specific circumstances. Business funding decisions genuinely benefit from advice tailored to your actual financial position, from an accountant or a qualified financial adviser, particularly given how much the right choice depends on your specific cash flow pattern and repayment capacity.

FAQs

What is the fastest type of short-term business funding to access? A business overdraft, once agreed, and a merchant cash advance are generally among the fastest to draw on, since they don’t require a fresh application each time funds are needed.

Is invoice finance better than a short-term loan? Neither is universally better. Invoice finance suits situations where slow-paying customers are the actual cause of the cash flow gap. A short-term loan suits a specific, defined need with a clear repayment plan.

Do I need good credit to access short-term business funding? Requirements vary by provider and option. Invoice finance, for instance, often depends more on the creditworthiness of your customers than your own business credit history, which can make it accessible even with a limited credit profile.

Is short-term funding a sign my business is struggling? Not necessarily. Many well-run, healthy businesses use short-term funding to smooth normal, predictable cash flow fluctuations, such as seasonal dips, rather than as a sign of underlying financial trouble.