A simple monthly bookkeeping checklist for small businesses
Bookkeeping doesn't need to be a daily chore to be effective, but it does need to be consistent. A short monthly routine — done the same way every month — catches errors early and means tax season is a formality rather than a scramble.
Start by reconciling: compare recorded transactions against the actual bank or payment processor statement for the month. Discrepancies are much easier to track down within a few weeks of when they happened than months later.
Next, review categorized spending against the previous month. A category that jumped noticeably is worth a second look — it might be a one-time purchase, or it might be a recurring cost that quietly increased and went unnoticed.
Set aside time to file or digitize receipts for the month, rather than letting them accumulate. A shoebox of receipts from January is far more useful in February than it is in December.
If the business collects any tax on sales, confirm the amount collected matches what's been set aside to remit — this is one of the most common places small businesses get caught off guard, because the money often looks like part of the day's revenue until it isn't.
Finally, check the current balance against upcoming known expenses — rent, payroll, a supplier invoice due next month — so decisions about spending or timing purchases are made with a realistic picture, not just today's number in isolation.