Bank reconciliation for startups, in plain English

Bank reconciliation is the process of checking that the bank balance in your books matches your bank statement, and explaining every difference between them. For a startup, it's the single most useful thing you can do each month, because the bank is the one record nobody can argue with. This guide explains the bank reconciliation process in plain English, with a worked rupee example.

Who this is for: founders and finance leads at startups and small companies who do their own books, or want to understand what their accountant is doing.

What bank reconciliation is, and why it matters

Your accounting software keeps its own record of every bank account. Your bank keeps the real one. They should agree. When they don't, something is missing, late or wrong.

Reconciling every month gives you three things:

• Books you can trust. Every rupee in and out is accounted for, so your P&L and cash numbers are real.
• Early warnings. Duplicate payments, missed customer receipts and unexpected debits show up within weeks, not at audit.
• A faster year end. Your CA and auditor will ask for reconciliations for every account. If they exist, year end takes days, not weeks.

It's also step one of a good month-end close.

The three kinds of difference

Almost every difference falls into one of three groups.

If a timing difference is still there two months later, it's no longer timing. Find out why.

A worked bank reconciliation statement example

On 31 October, a startup's books show the HDFC current account at ₹13,26,360. The bank statement shows ₹14,62,500. That's a difference of ₹1,36,140. Here's what explains it:

1. A cheque for ₹45,000 issued to a vendor on 29 October hasn't been cleared yet. The books have deducted it; the bank hasn't.
2. A customer cheque for ₹20,000 deposited on 31 October hasn't been credited yet. The books have added it; the bank hasn't.
3. The bank deducted ₹1,180 in charges. The books don't have it.
4. A customer paid ₹1,10,000 directly by UPI. The books don't have it yet.
5. The bank credited ₹2,320 of interest. The books don't have it.

Step 1: update the books for bank-only items.

Step 2: adjust the bank balance for timing.

Both come to ₹14,37,500. The account is reconciled. Next month, check that the ₹45,000 cheque and the ₹20,000 deposit actually cleared.

How often to reconcile

At least monthly, as the first step of your close. Weekly if you have more than a few hundred transactions a month. A week of entries takes minutes. Three months of entries takes days and a lot of guessing.

And reconcile every account: each current and savings account, each company card, and each payment gateway (Razorpay, Cashfree, Stripe and so on). Gateways are where startups lose track most often, because they pay out in batches after fees, so one bank credit can stand for dozens of customer payments.

Rules that save hours

Most bank lines repeat. Set a rule once and they match themselves.

• Bank charges and GST on charges go to bank charges every time.
• The monthly rent transfer to your landlord matches the rent bill.
• Software subscriptions from the same card match the same expense head.
• Payment gateway settlements match the gateway's settlement report, with fees booked separately.
• Transfers between your own accounts are matched on both sides, so they never show up as income or spending.

With rules in place, you only look at the lines that are new or unusual. For a typical startup that's a small fraction of the month.

Common mistakes

• Reconciling only the main account. Cards and gateways are where the gaps hide.
• Parking differences in "suspense". It feels like progress. It isn't.
• Ignoring old timing items. A cheque uncleared for three months may be lost, stale or cancelled.
• Booking gateway payouts as one lump. You lose the link to individual customers, and fees vanish into revenue.
• Waiting for year end. Twelve months of reconciliation in March is miserable and error-prone.

Questions people ask

What is bank reconciliation in simple words?

It is checking that the bank balance in your accounting books matches the balance on your bank statement, and explaining every difference. Differences come from timing, from entries only the bank knows about, such as charges and interest, and from mistakes. Each one gets fixed or explained.

How often should a startup reconcile its bank accounts?

At least once a month, as the first step of the month-end close. If you have many transactions, weekly is better, because a few days of entries are much easier to match than a whole month. Every account, card and payment gateway needs reconciling, not just the main current account.

What are the common reasons for differences in bank reconciliation?

Cheques issued but not yet cleared, deposits not yet credited, bank charges, interest, customer payments the books don't show yet, automatic debits, and mistakes such as a wrong amount, a duplicate entry or a payment booked to the wrong bank account.

What is a bank reconciliation statement?

A short working that starts from one balance, either the books or the bank, adds and subtracts each explained difference, and arrives at the other balance. Keep one for each account every month. Auditors and your CA will ask for them at year end.

What should I do with differences I cannot explain?

Do not hide them in a suspense account and move on. Note the date, amount and what you checked, and look at the original transaction details from the bank. Most unexplained items turn out to be a missing invoice, a duplicate or a transfer between your own accounts.

Sources

• Reserve Bank of India (opens in a new tab), for cheque clearing and payment systems. The reconciliation method itself is standard accounting practice; the worked example uses illustrative figures.

This is general information, not accounting or tax advice. Check with your CA for your company's situation.