What it means
A cash sweep is a standing rule, written into a loan agreement or configured with the bank, that says any balance above an agreed floor gets moved automatically. The floor is whatever the business needs to cover payroll, suppliers and card payments over the next few days, and the amount above it is the sweep.
For the borrower the appeal is straightforward arithmetic. Cash sitting in an operating account earns very little, while borrowed money is charging interest every single day, so moving the surplus across cuts the interest bill without any change to trading performance.
Lenders like sweeps for a different reason: they reduce the chance that spare cash is spent on dividends, bonuses or acquisitions before the loan is repaid. Credit agreements often include an excess cash flow sweep, which requires a set share of the year's surplus, commonly somewhere between 25% and 75%, to be applied to the term loan once the audited accounts are signed off.
Sweeps come in several flavours. There is the daily operational sweep that concentrates balances from several accounts into one, the revolver sweep that repays and redraws a credit facility automatically, and the annual excess cash flow sweep tied to reported results.
The nuance that catches people out is the floor itself. Set it too low and the company looks efficient on paper but has to redraw borrowing every time a large supplier payment lands a day early, which creates noise, fees and awkward conversations with the bank.
In practice
Real-world examples.
Example
A regional grocery chain runs a nightly sweep that pulls balances from 40 store accounts into a single treasury account. Anything above $600,000 is applied to the revolving facility overnight, which trims roughly $90,000 a year from the interest bill.
Example
A private equity backed manufacturer signs a term loan containing a 50% excess cash flow sweep. After a strong year producing $4,000,000 of excess cash flow, $2,000,000 must be used to prepay the loan before management can consider a dividend.
Example
A software business with no debt sets up a sweep between its current account and an overnight deposit account. Balances above $300,000 move automatically each evening and return each morning, earning interest on cash that would otherwise sit still.
Think of it
“Cash sweep automatically moves extra cash to better use-investing it or paying down debt.
Formula
Calculation
Sweep amount = (Available cash balance - Target minimum balance) x Sweep percentage
A distribution company closes the month with $2,400,000 in its operating account. Its facility agreement sets a target minimum operating balance of $500,000 and a sweep percentage of 75%.
Excess cash = $2,400,000 - $500,000 = $1,900,000
Sweep amount = $1,900,000 x 75% = $1,425,000
That $1,425,000 is applied to the revolving credit facility, cutting the drawn balance from $6,000,000 to $4,575,000, and leaving $975,000 in the bank account. At an 8% interest rate, repaying $1,425,000 saves $114,000 of interest over a full year.Case study
Seen in the real world.
Northgate Logistics is a fictional haulage operator used here purely as an illustrative example. After refinancing, it carried a $6,000,000 revolving facility priced at 8% while routinely holding $2,000,000 or more in its current account because the finance team wanted to feel safe.
The new finance director modelled the actual timing of payroll, fuel cards and supplier runs and concluded that $500,000 was genuinely enough as a floor. A daily sweep was agreed with the bank, and the average drawn balance on the revolver fell by around $1,400,000 across the year, saving a little over $110,000 in interest.
The illustrative lesson is that the sweep did not create any new profit from customers. It simply stopped the company paying interest on money it already had, and it forced a much more honest conversation about how much cash the business actually needs to sleep at night.
Watch out
Common mistakes.
- Treating the swept cash as gone. Money applied to a revolving facility can usually be redrawn, so it is available liquidity rather than a permanent loss of access.
- Setting the minimum balance from habit rather than from a payments calendar, which either leaves too much cash idle or causes repeated emergency redraws.
- Forgetting that an excess cash flow sweep is calculated on a defined formula in the credit agreement, not on the cash figure a manager sees in the bank.
Questions
People also ask.
Does a cash sweep improve profit?
Indirectly yes, because lower average borrowings mean a lower interest charge, which flows straight to the bottom line.
Can a business refuse a sweep in a loan agreement?
It can negotiate the percentage, the floor and the exclusions, but lenders rarely drop the mechanism entirely on leveraged deals.
What happens if the sweep leaves the account short?
The facility is normally redrawn the same day, though frequent redraws suggest the minimum balance has been set unrealistically low.
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