Getting Started: How I Oversee Bank Reconciliation for My Clients
Reconciliation means going through every single transaction: every deposit, every charge, every transfer and confirming it shows up correctly in both your bank and your accounting records.
Not most of them. All of them.
If even a handful get missed, you're no longer looking at your real financial picture.
You're looking at a version of it.
When your accounts are properly connected and someone reviews them on a regular schedule, this doesn't take long at all.
It's a quick, routine check.
It only takes a lot of time when the setup isn't right.
Accounts aren't synced. Months pile up without review. Systems don't talk to each other.
A five-minute check turns into hours of digging, and I've walked into more than a few of those over the years.
I take this seriously because I've seen what happens when it slips.
1. What goes wrong when this gets skipped
None of this shows up to be one big obvious problem.
It shows up slowly.
An expense gets booked at one amount, but the actual debit from the bank is slightly different, nobody catches it, and now there's a duplicate sitting in the books.
A payroll sync matches straight to the bank account instead of routing through the clearing account it should hit first, and the real payroll cost gets buried in the wrong place.
A transfer between two accounts has a fee deducted in the middle, so the amount that leaves one account doesn't match the amount that lands in the other.
On their own, these are small. But they pile up, and by the time you notice, you're not dealing with one $30 mistake but you're dealing with a year of small ones mixed together.
2. The order I follow, every time
There's a sequence to this, and skipping a step is usually where things go wrong:
Bank feeds are connected and syncing properly first. I check this weekly, or every 2-3 days for high volume. If the feed isn't pulling transactions correctly, nothing after this step can be trusted, so I confirm this before touching anything else.
The reconciliation itself gets done: matching every transaction against the bank statement, account by account, within the accounting tool so it's easier. On a monthly basis.
I read the reconciliation report line by line before calling it done. This is the step people skip, and it's where I catch anything left unreconciled, or anything that got booked twice or booked when it shouldn't have been at all. I keep a copy of the report, as it can be changed, and a PDF saved will keep track of changes.
That last step matters as much as the reconciliation itself. A reconciliation can look complete and still have something sitting in it that doesn't belong: a duplicate entry, something posted to the wrong period, an item that was never actually cleared. The only way to catch that is to actually read the report, not just confirm the balances tie out. A quick balance-to-balance comparison is also worth doing, especially in businesses that don't typically have outstanding checks or other recurring items sitting open. If there's nothing that would normally explain a gap, any difference between the balances is a sign something needs a closer look.
3. What I put in place for every client, no exceptions
There's a baseline I don't skip, regardless of how small or straightforward a business is:
Reconciliation happens every single month, on a set schedule, not whenever things slow down
Every account gets reconciled, not just the main checking account: credit cards, payment processors, lines of credit, all of it
Clearing accounts get checked too, and they should sit at zero once everything's applied correctly
If something doesn't match, I don't just note it and move on. I find out why and fix it
Someone other than the person who did the reconciliation reviews it before it's considered final
I keep a record of what caused each discrepancy, because the same issue tends to repeat if nobody writes it down
That last one matters more than people expect. Most recurring problems aren't random. They're the same mistake happening again because nobody flagged it the first time.
4. Why this matters even more once you have several accounts
Most businesses aren't working with just one bank account. There's usually a checking account, maybe a savings account, one or more credit cards, and often a payment processor sitting in between. Money moves between all of them: a credit card gets paid off from checking, a payment processor deposits into the bank a few days after the sale happened, a transfer covers payroll before it clears.
Each of those accounts can look reconciled on their own and still be hiding a problem, because the real picture only shows up when you follow the money across all of them, in the order it moved. A payment that's missing from the bank account might not be a bank problem at all, it might be sitting in the credit card that paid for it, or stuck in a payment processor that hasn't deposited yet. If you only check the accounts one at a time, in isolation, you can miss the fact that a transaction is either duplicated across two accounts or missing from all of them entirely.
This is why I look at reconciliation as one connected process, not a set of separate checklists per account. The sequence matters: 1/feed, then 2/match, then 3/read the report, and it has to run across every account that touches the money, in the order the money flows through them.
That's what shows you the true picture.
5. Bank rules help, but only if someone checks them
Most accounting software lets you set up rules that automatically categorize transactions as they come in: a specific vendor always gets coded to the same expense account, for example. These rules save a lot of time, and I use them for every client.
But a rule that was right six months ago isn't guaranteed to still be right today. Vendors change what they bill for, your business changes how it uses a service, and a rule that was accurate at setup can quietly start miscoding things without anyone noticing, because it's still running exactly as it was told to. That's why I review the rules themselves on a recurring basis, not just the transactions they touch. It's a small check, but it's the difference between automation that's saving you time and automation that's quietly creating a mess you'll find later.
6. Where AI is a false friend on this specifically
I use AI tools in my own work, and they've made the first pass through transactions faster. Flagging likely duplicates, catching things that look off, sorting through volume quickly, that part is genuinely helpful.
But reconciliation is exactly the kind of task where AI can seem right while being wrong, and that's a dangerous combination. It's good at spotting things that look similar. It's not always good at telling the difference between "similar" and "the same." Two transactions for $412.50 might be genuinely duplicate entries, or they might be two separate payments that happen to be the same amount. A transaction dated the 28th and one dated the 3rd of the next month might belong to two different periods entirely, even if everything else about them matches. AI can gloss over that distinction if you let it.
That's why I always double check the date and the amount on anything AI flags before accepting the match. Not just that the numbers are close, that they're exact, and that the transaction actually belongs where it's being placed. It takes a few seconds, and it's the difference between AI saving you time and AI quietly introducing an error that looks like a match but isn't.
Think of it the way you'd think about a new hire. Useful, fast, worth having. Just not the one who gets final say.
The point of all this
Reconciliation isn't exciting. Nobody's business runs better because their bank feed matches until the day it really matters, like applying for a loan, bringing on an investor, or just needing to trust a number enough to make a real decision on it.
If you're not sure whether your books are reconciled right now, that's worth finding out. It's a much smaller job to fix now than it is to untangle a year from now.
I'm Vanessa Calligaris, founder of Growth Solutions Partners LLC. I help small and mid-sized businesses build the kind of financial foundation that holds up: reconciled books, a real monthly close, and numbers you can trust.
If you're not sure where things stand, I'm happy to take a look.