01
Reconcile bank accounts
Check that transactions in your records agree with activity in your business bank accounts.
Polar Month-End Check
Month-end bookkeeping checklist — make sure your small business accounts are actually up to date.
Reconcile your bank, check invoices and supplier bills, capture missing expenses, review what is owed and finish each month with a clearer, more reliable picture of your business finances.
Month-end bookkeeping
Month end is less about “closing the books” and more about checking that the story the numbers tell is true.
A monthly bookkeeping check gives a small business a regular point to tidy transactions, reconcile accounts and look at the financial picture before another month of activity lands on top of it.
The major accounting platforms all place reconciliation at the heart of reliable bookkeeping. They also use monthly reports, aged receivables, aged payables, profit and loss and cash-flow information to help businesses understand what happened during the period.
The important part for a small business is not performing a complicated corporate close. It is making sure the basic records are complete enough to trust.
Month end should answer “are we up to date?” before it tries to answer “how are we doing?”
Clean the records first. Then use the numbers to make decisions.
Month-end close checklist
A practical small-business month-end checklist.
The exact accounting work varies by business, but these checks cover many of the everyday records that should be reviewed regularly.
02
Review sales invoices
Make sure completed work or relevant sales have actually been invoiced.
03
Check money owed to you
Review unpaid and overdue customer invoices and identify anything needing credit-control action.
04
Record supplier bills
Make sure supplier invoices received during the month have been recorded properly.
05
Check bills to pay
Review supplier due dates and upcoming payments so outgoing cash is visible.
06
Capture missing expenses
Look for card purchases, receipts or business spending that has not yet been recorded.
07
Check receipts
Make sure supporting evidence is attached or stored for relevant business expenses.
08
Review unusual transactions
Investigate anything duplicated, unexplained, uncategorised or clearly out of place.
09
Review the month
Once records are reliable, look at income, spending, cash flow and overall performance.
Bank reconciliation
Start by making sure the money in your records matches the money that actually moved.
Bank reconciliation means comparing the transactions in your business records with your actual bank activity and resolving anything that does not agree.
Something appears in the bank but has not yet been recorded in the accounts.
A payment or receipt may have accidentally been recorded more than once.
The recorded transaction does not match what actually cleared through the bank.
The money is recorded but has been assigned to the wrong part of the business accounts.
Accounts receivable
Check the money customers still owe the business.
Monthly financial reporting commonly includes aged receivables — a view of unpaid customer invoices showing who owes the business money and how long payment has been outstanding.
Before reviewing revenue or cash flow, make sure sales activity has actually made it into the invoicing system and outstanding payments are visible.
1
Check completed work has been invoiced.
2
Review invoices due for payment.
3
Identify overdue customer invoices.
4
Record payments already received.
5
Move overdue invoices into credit-control action.
Accounts payable
Then check what the business owes suppliers.
Aged payables show supplier bills that remain unpaid and when those payments are due or overdue.
This matters because an apparently healthy bank balance can look very different once upcoming supplier commitments are taken into account.
Have all supplier invoices been entered?
Missing bills make future spending look artificially low.
Do bills match the supplier and purchase?
Check references, amounts and purchase orders where relevant.
Which bills are due soon?
Know what cash needs to leave during the next period.
Is anything overdue?
Resolve missed supplier payments before they create avoidable problems.
Have paid bills been marked correctly?
Do not leave settled supplier invoices showing as outstanding.
Monthly financial reports
Once the records are clean, use the month to understand the business.
Monthly reporting should help the owner understand performance, cash and commitments — not simply generate reports for the sake of having reports.
Profit & loss
Compare income with business costs for the period and see whether the business generated a profit or loss.
Cash flow
Understand how actual cash moved through the business and what remains available.
Money owed
Review unpaid customer invoices and how much expected cash is still outstanding.
Money to pay
Review unpaid supplier bills and the outgoing payments coming next.
Business spending
Look for categories or recurring expenses that are increasing or need attention.
Next month
Use what happened this month to improve decisions about spending, pricing and cash.
Month-end readiness
The useful question is no longer just “have we closed the month?”
Increasingly, modern accounting software is moving towards checking whether the underlying books are complete and healthy before reporting or tax work begins.
For a small business, month-end readiness can be much simpler: identify what is missing, resolve it and only then treat the month as reliable.
1
No unexplained bank transactions.
2
No obvious missing sales invoices.
3
No known supplier bills waiting in an inbox.
4
Receipts and expenses reasonably complete.
5
Money owed and money due to leave are visible.
6
The owner can trust the month’s numbers enough to act on them.
Month-end accounting competitors
The language competitors use tells us where this job is heading.
Traditional accounting language talks about reconciliation, ledgers and month-end close. Modern platforms are increasingly translating that into automated checks, live reporting and book readiness.
Polar’s opportunity is to make the same underlying discipline usable by an ordinary small-business owner: show me what is missing and what I need to fix before the month is finished.
Month-end mistakes
Five ways the books slowly drift away from the real business.
Errors and missing transactions can remain unnoticed when records are never compared with actual bank activity.
Completed work that has not been invoiced makes sales and expected cash incomplete.
Missing supplier invoices can make cash commitments look lower than they really are.
Capture receipts and supporting documents while the transaction is still easy to identify.
A beautifully formatted report is still misleading if the underlying records are incomplete.
Polar Month-End Check
Polar doesn’t need to teach you how to become a bookkeeper. It needs to tell you what isn’t finished.
Polar Month-End Check brings together the everyday records already sitting across Accounts — bank activity, customer invoices, supplier bills, expenses, receipts and payments.
Instead of asking you to remember a month-end close checklist, Polar can show what is complete, what looks missing and what needs attention before you move into another month.
Month-end bookkeeping FAQs
Small-business month end: common questions.
What is a month-end close?
A month-end close is the process of checking and completing financial records for a month so the business can produce a reliable picture of its financial position and performance.
What should be on a month-end bookkeeping checklist?
Common checks include bank reconciliation, sales invoices, outstanding customer payments, supplier bills, expenses, receipts, unusual transactions and monthly financial reports.
What is bank reconciliation?
Bank reconciliation means comparing transactions in your accounting records with transactions shown by the business bank and resolving any differences.
Should a small business reconcile its bank every month?
Regular reconciliation helps keep records accurate and makes errors easier to identify. Some businesses reconcile more frequently than monthly depending on transaction volume.
What are aged receivables?
Aged receivables show money customers still owe the business, normally grouped by how long the invoices have been outstanding.
What are aged payables?
Aged payables show money the business still owes suppliers, including the age or due status of outstanding supplier bills.
What financial reports should a small business review monthly?
Useful reports can include profit and loss, cash flow, money owed by customers and money owed to suppliers. The reports needed depend on the business and its accounting setup.
Why should expenses and receipts be checked at month end?
Missing or incorrectly recorded expenses make the month’s financial picture less reliable. Month end provides a useful opportunity to find missing transactions and supporting evidence.
Do I need an accountant to do a month-end check?
Many routine bookkeeping checks can be carried out by a business or bookkeeper, while more technical accounting adjustments may require an accountant depending on the business and circumstances.
Why is month-end bookkeeping useful?
Regular month-end checks reduce financial backlogs and give the owner more current information about income, spending, outstanding invoices, bills and cash flow.
Finish the month knowing what’s actually finished.
Bank. Invoices. Bills. Expenses. Receipts. Cash. Check the loose ends before another month begins.
Polar Month-End Check turns bookkeeping housekeeping into a simple connected review — showing what looks complete and what still needs your attention.