Revolving Credit Business Loans

A flexible way to fund the gaps between invoices

Cash flow is rarely a straight line, even in well-run businesses. One month you are investing in stock, staffing or materials; the next you are waiting on customer payments or riding out a quieter season. Revolving credit business loans, more accurately known as revolving credit facilities (RCFs), are designed for those day-to-day funding swings. Instead of taking one lump sum and paying interest on the whole amount, you get an agreed limit and can draw what you need, when you need it, then repay and reuse it.

For UK SMEs, that flexibility can be valuable, but it also comes with rules, fees and lender expectations that are easy to miss. Understanding how interest is calculated, how long facilities typically run, and how they compare with an overdraft will help you avoid paying for flexibility you do not actually use.

Understanding the cost is not just about the rate - it is about how often you draw, how quickly you repay, and any fees on unused funds.

Who tends to use this type of finance

Revolving credit facilities are most relevant for UK limited companies that experience predictable cash-flow pressure, such as seasonal peaks, project-based work, or regular gaps between buying and getting paid. They can suit firms that want a committed funding line for working capital but do not want to lock into long-term borrowing for a short-term need.

They are less suitable if you are funding a large, fixed investment over several years, or if your business is very early-stage with limited trading history. Sole traders may also find availability more limited, as many providers focus on limited companies.

What a revolving credit facility actually is

A revolving credit facility is a pre-approved line of credit with a set limit that your business can draw down, repay, and draw again during an agreed period. In the UK market, facilities are commonly set for around 6 to 24 months, with many offers landing in the 12 to 24 month range and sometimes allowing extensions.

You only pay interest on the amount you use, rather than the full approved limit. Some lenders also charge a small non-utilisation fee on the undrawn portion, plus possible arrangement or renewal fees depending on the provider. In practical terms, an RCF can feel like a more structured, often larger version of an overdraft, but it is usually provided as a standalone facility rather than being tied to a single current account.

How it works in practice

Once agreed, you have a credit limit you can access as needed. You might draw funds to cover VAT, stock purchases or payroll, then repay as customer payments arrive. The available balance then tops back up, so you can reuse it without reapplying each time.

RCFs in the UK often start from roughly £50,000 and can extend to £1 million, depending on the lender and the business profile. Some providers may size limits with reference to turnover, sometimes around the equivalent of one month’s turnover, subject to cash-flow and trading history. Lenders will typically review your trading performance and bank activity, and many applications involve connecting your business bank account so the lender can assess real-time cash-flow data.

Why businesses choose revolving credit over a lump sum

The main advantage is control. If you borrowed a fixed lump sum but only needed part of it, you could end up paying interest on money sitting unused. With an RCF, the cost usually tracks what you actually draw, which can be more efficient for short-term needs.

Predictability is another driver. Compared with an overdraft that can be reduced or withdrawn at short notice, many revolving credit facilities come with clearer terms and a committed period, which can make planning easier. They are commonly used to bridge short gaps, manage seasonal demand, cover unexpected bills, or seize time-sensitive opportunities without taking on long-term debt for a short-term requirement.

Pros and cons at a glance

Key things to watch before you sign

The headline rate rarely tells the full story. Ask how interest is calculated, whether it is charged daily or monthly, and what happens if you repay early and redraw. If there is a non-utilisation fee, model the cost of keeping a large limit you might not use, because a low utilisation pattern can make that fee more meaningful.

Term length matters too. Revolving facilities are typically short to medium term, often measured in months rather than years, so check what happens at renewal, whether a review is required, and what information the lender will reassess. Also confirm any covenants or conditions, such as maintaining certain account conduct or financial ratios. Finally, be clear on what the facility is for: RCFs are usually best for working capital, not for long-term investment, where a term loan may be more cost-effective and better matched.

Other ways to fund working capital

1. Business overdraft - Useful for smaller, short-term needs, typically with lower limits than many RCFs and linked to your current account.

2. Term loan - Better for one-off investments where you need a fixed amount over a longer period.

3. Invoice finance - Can unlock cash tied up in unpaid invoices, often growing in line with your sales ledger.

4. Merchant cash advance - Repayments flex with card takings, which can help in hospitality and retail, but costs can be higher.

5. Business credit card - Convenient for expenses and short bridging, but interest can be expensive if balances are carried.

FAQs

Is a revolving credit facility the same as an overdraft?

Not quite. Both can charge interest only on what you use, but an RCF is typically set up as a separate facility with a committed term and often higher limits, while overdrafts are linked to a bank account and may be changed at short notice.

What limits and terms are typical in the UK?

Many UK lenders offer facilities from around £50,000 up to £1 million, commonly over 12 to 24 months, sometimes with the option to extend. The right limit depends on turnover, cash flow and trading history.

Do I pay interest on the full credit limit?

Usually no. In most cases you pay interest only on the amount you draw. However, some lenders charge a small fee on the unused portion of the limit, so it is worth checking the full pricing structure.

What do lenders look at when assessing an application?

Expect lenders to review trading history, turnover and cash-flow performance. Many applications involve connecting your business bank account so the lender can assess transaction data, which may influence both approval and the limit offered.

Is revolving credit suitable for long-term projects?

Often it is not the best fit. Because revolving facilities can be shorter term and sometimes priced higher than longer-term loans, they are generally better for cyclical working-capital needs than multi-year investments.

How Kandoo can help

Kandoo is a UK-based commercial finance broker. We help business owners make sense of revolving credit and other working-capital options, then connect them with suitable lenders and structures for their needs. Where a revolving facility is not the best match, we can help you compare alternatives so the funding aligns with your cash-flow pattern, time horizon and risk appetite.

Disclaimer

This article is for general information only and does not constitute financial advice. Terms, eligibility, rates and fees vary by lender and by business circumstances, and finance involves risk. Always review documentation carefully and consider taking independent professional advice before proceeding.