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Business finance to cover a cashflow gap

A cashflow gap is the period between money going out and money coming back in — for example, when wages and supplier bills fall due before a large customer invoice settles. Short-term finance can bridge that gap without committing the business to a multi-year loan. The right route depends on what is causing the shortfall: unpaid B2B invoices point to invoice finance, dips in card sales suit a merchant cash advance, and a stable but seasonal business often uses a revolving credit line. Lendrly explains which signals each lender weighs so you can pick a route that resolves the gap without locking in long-term repayments you do not need.

Why this use case matters

Cashflow gaps are the most common reason UK SMEs look for finance, but they are also the use case where the wrong product does the most damage. A five-year asset loan or a commercial mortgage takes weeks to arrange and is mispriced for a one-month problem. A short-term advance or a revolving facility is built for exactly this purpose and can usually be repaid in weeks rather than years.

Lenders treat cashflow-gap requests as a recent-performance question. They look at the last three to six months of bank statements, recent revenue trend, current outstanding finance and the quality of incoming receivables. A business with strong recent revenue but a temporary stretch on receivables is usually more fundable here than one whose monthly turnover has been falling for two quarters.

Finance types that usually fit

Based on how UK lenders typically underwrite this use case, the following finance categories are the most common fit:

INV

Invoice Finance

Funding advanced against unpaid B2B invoices.

Eligibility map
MER

Merchant Cash Advance

Cash advance repaid as a share of card/POS/platform sales.

Eligibility map
UNS

Unsecured Business Loan

Term loan or credit line repaid through fixed instalments.

Eligibility map

Finance types that usually don't fit

These categories are mentioned for completeness but typically aren't appropriate for this use case:

Eligibility questions UK lenders typically ask

  • Is the gap defined and time-limited (typically 1–3 months rather than ongoing decline)?
  • Can you evidence the receivable or revenue that will close the gap?
  • Are recent bank statements free of returned direct debits and unauthorised overdraft use?
  • Are existing finance commitments and tax liabilities up to date?
  • Is the gap below 50% of normal monthly turnover?
  • Can you describe a clear repayment plan once the gap closes?

Documents to prepare

  • Last 3–6 months of business bank statements
  • Aged debtor list if B2B with unpaid invoices
  • Card or platform processing statements if revenue is card-led
  • Latest management accounts or year-to-date figures
  • ID and proof of address for principals
  • Short explanation of what created the gap and how it will close

UK lenders that often look at this use case

The lenders below publish criteria consistent with this use case. Final approval is always subject to lender underwriting.

Frequently asked questions

How short-term can cashflow gap finance be?
Some products are built for 1–6 month durations — for example, single-invoice finance, MCA top-ups, or short-term revolving lines from iwoca and Kriya. Traditional term loans usually run 6 months minimum, so for very short gaps a revolving or invoice-based route is often cheaper overall.
Will a cashflow gap show up as a problem in underwriting?
Lenders expect SMEs to have lumpy cashflow. A defined, explainable gap is not a red flag. Returned direct debits, unauthorised overdraft use and missed loan payments are different — those signals reduce the chance of approval and should be addressed before applying.
Can I use invoice finance for a one-off cashflow gap?
Yes. Selective or single-invoice finance lets you advance one specific invoice without committing the whole ledger. It is often the cleanest fit for a B2B business with one large customer paying on 60–90 day terms.
Is cashflow gap finance more expensive than a normal loan?
Short-term finance carries higher headline rates but is paid back faster, so the total cost can be lower than a multi-year loan with set-up fees. Always compare the total amount repayable over the actual repayment window, not the APR alone.
Can I get cashflow finance with one month of bank statements?
Some MCA providers can underwrite from very recent activity if you have a long card-processing history with the platform, but most unsecured lenders want at least 3 months of statements. Six to twelve months gives the strongest application.

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