Protect Cash

How Much Cash Should The Business Keep As A Reserve?

There is no single amount that suits every SME. Keep enough cash to cover essential payments, likely collection delays and realistic emergencies.

Cash reserve plan showing operating minimum, timing buffer and contingency reserve

The Short Answer

Cash reserve = essential payments + late-collection buffer + emergency allowanceUse the business’s actual figures—not an arbitrary rule.
Reserve componentWhat it covers
Essential paymentsSalaries, rent, suppliers and financing
Collection bufferA major customer paying late
Emergency allowanceA realistic urgent expense

Step 1: List Essential Monthly Payments

Start with payments the business must make even during a difficult month.

Essential paymentExample
Payroll and related paymentsRM32,000
Rent, utilities and essential servicesRM8,000
Critical suppliers and financingRM25,000
One month’s essential paymentsRM65,000

Step 2: Allow For Late Customer Payments

Use a weekly cash-flow forecast to see what happens if a major customer pays later than expected.

AskWhy it matters
How long do customers actually take to pay?The invoice due date may not reflect reality.
What if the largest receipt is two weeks late?This shows the possible temporary cash gap.
When are salaries and suppliers due?Payments may fall due before collections arrive.

Step 3: Add A Realistic Emergency Allowance

Consider an event that could interrupt normal operations and require immediate cash.

Possible riskPossible need
Vehicle or machinery breakdownUrgent repair
Seasonal slowdownExtra operating cash
Loss of supplier creditEarlier payment

Use plausible risks. Do not provide for every imaginable problem.

A Simple Example

The business needs RM65,000 for essential monthly payments. It may need another RM30,000 if a major customer pays late and RM15,000 for an unexpected repair.

Reserve componentExample
Essential monthly paymentsRM65,000
Late-payment bufferRM30,000
Emergency allowanceRM15,000
Cash-reserve targetRM110,000

This is only an example. Every business should use its own expenses, customer payment patterns and operating risks.

How To Build And Use The Reserve

ActionWhat to do
Build it graduallySet aside available cash regularly.
Keep it accessibleDo not lock away all emergency cash.
Control its useDefine who may approve a withdrawal.
Rebuild itReplace any amount used.
Review itUpdate the target as the business changes.
Read The More Detailed Answer

Start With The Purpose Of The Reserve

A cash reserve is money kept available to protect normal operations when receipts are delayed or an unexpected payment arises. It is not the same as surplus cash available for expansion, dividends or non-essential purchases.

The reserve should give management enough time to respond calmly. Without it, a short delay in customer collections can quickly lead to late salaries, missed supplier payments or costly emergency borrowing.

Choose A Practical Reserve Period

Some businesses use a number of months as a starting point, but the correct period depends on how predictable the business is. A stable business with regular monthly receipts may need a smaller buffer than a seasonal business or one that depends heavily on a few customers.

Business conditionPossible effect on reserve
Regular recurring incomeA shorter period may be reasonable.
Seasonal or uneven salesAllow for the slower months.
Reliance on one major customerAllow for a delayed large receipt.
Long supplier or production lead timesMore cash may be needed before sales are collected.
Limited access to financingA stronger cash reserve may be necessary.

Count Only Cash That Is Truly Available

Do not assume the full bank balance is the reserve. Part of that balance may already be needed for tax, payroll, loan instalments, supplier payments or customer deposits. Restricted funds and amounts committed to near-term payments should be excluded.

Usable reserve = bank cash − restricted funds − committed near-term paymentsReview the cash-flow forecast before deciding how much is genuinely available.

Use The Cash-Flow Forecast To Test The Target

A reserve target should be tested against a rolling weekly cash-flow forecast. Change one assumption at a time and observe the lowest projected cash balance.

TestQuestion to answer
Customer delayCan the business cope if a major receipt is two to four weeks late?
Sales slowdownCan essential payments continue during a weak month?
Unexpected costCan an urgent repair or replacement be paid without disrupting payroll?
Supplier changeWhat happens if a supplier shortens its payment terms?

If a realistic test causes cash to fall below zero, the reserve may be too low or management may need a confirmed backup facility.

Keep The Reserve Separate And Controlled

The reserve may be held in a separate bank account or clearly identified in the cash records. The important point is that everyone understands it is not part of the normal spending balance.

Set simple rules covering when the reserve may be used, who approves the withdrawal and how it will be rebuilt. Use it for temporary timing gaps and genuine emergencies—not to hide continuing operating losses.

Do Not Rely Entirely On Borrowing

An overdraft or credit facility can support the cash plan, but it should not automatically replace the reserve. A facility may be reduced, withdrawn or unavailable when the business needs it most. Count it as backup only when it is approved, available and its conditions are understood.

Review The Target Regularly

Review the reserve at least whenever the business changes materially. The target should move with the business rather than remain fixed for years.

Review triggerWhat may have changed
Payroll, rent or supplier costs increaseEssential monthly payments are higher.
A large customer is gained or lostCollection concentration and timing risk change.
Payment terms changeCash may arrive later or leave earlier.
New financing or equipmentRegular commitments and repair exposure change.
The reserve is usedA rebuilding plan is required.

Avoid These Mistakes

  • Choosing a figure without checking actual payments.
  • Treating the full bank balance as available cash.
  • Assuming every customer will pay on time.
  • Counting unapproved financing as available money.
  • Using the reserve repeatedly to cover business losses.

Quick Review

  • How much must the business pay each month?
  • What happens if the largest customer pays late?
  • Which emergency could require immediate cash?
  • Who may approve use of the reserve?
  • How will the reserve be rebuilt?

Key Takeaway

Keep enough cash for essential payments, likely collection delays and realistic emergencies. Review the target whenever sales, costs, payment terms or business risks change.

This guide provides general educational information. Significant funding, tax or solvency decisions should be assessed using the business’s actual position and appropriate professional advice.