Accounting

What are Bank Recs?

Bank reconciliation is an important part of the accounting process for startups. Checkout how we define bank recs, why they matter, how to do them, and best practices.

Jack Scoresby

Jun 2, 2025

What Is a Bank Reconciliation? A Startup-Friendly Guide to Keeping Your Books Clean

If you’ve ever logged into your bank account and noticed that your QuickBooks balance doesn’t match—it’s not just a glitch. It’s a signal that your books need a bank reconciliation.

For early-stage startup founders juggling product, hiring, and fundraising, bookkeeping might be the last thing on your mind. But skipping bank reconciliations can lead to messy books, missed cash issues, and awkward investor conversations.

Let’s break down what bank reconciliations are, why they matter, and how to avoid common pitfalls.

What Is a Bank Reconciliation?

A bank reconciliation is the process of matching the transactions recorded in your accounting software to your actual bank (or credit card) statements. It ensures that your books accurately reflect your real-world cash position.

You’re basically answering the question: “Do our internal records agree with what the bank says actually happened?”

If they don’t, it’s a red flag. And if you’re not checking regularly, small discrepancies can snowball into big problems over time.

Why Bank Reconciliations Matter for Startups

Early-stage startups often operate on thin margins and tight runways. That’s why cash clarity is critical.

Here’s what reconciling your bank accounts helps you do:

  • Catch errors early (duplicate entries, missed transactions, unauthorized charges)
  • Spot cash flow issues before they hit your runway
  • Prevent fraud by identifying any unexpected activity
  • Keep your books investor-ready with accurate reporting
  • Simplify tax season with clean, verified records

Whether you’re preparing for a raise or just trying to understand your monthly burn, reconciliations are foundational to healthy financial ops.

What’s Involved in a Monthly Bank Reconciliation?

Here’s a quick look at what goes into a typical monthly reconciliation process:

  1. Pull your bank or credit card statement for the month.
  2. Compare each transaction in your accounting software (e.g. QuickBooks or Xero) to what’s on the statement.
  3. Mark matches as reconciled — these are transactions that appear in both places.
  4. Investigate unmatched items — is something missing? Entered twice? Coded incorrectly?
  5. Adjust your books if needed — fix any errors so the final balance matches the bank exactly.
  6. Lock the period — once reconciled, don’t go back and edit old data unless necessary.

Best Practices for Bank Reconciliation at a Startup

Want to keep your books tight without spending hours in spreadsheets? Follow these tips:

🔁 Reconcile Every Month (No Exceptions)

Make reconciliation part of your monthly close. Waiting multiple months makes it harder to catch issues—and easier to miss fraud or errors.

⚙️ Use Bank Feeds (But Don’t Trust Them Blindly)

Accounting tools like QuickBooks can pull in transactions automatically. That’s great for efficiency—but don’t assume they’re always accurate. You still need to review and reconcile.

🔍 Investigate Differences Promptly

Don’t ignore unreconciled transactions. Each unmatched item is a question mark. Clean books have answers.

🧾 Keep Source Documents

Always keep copies of invoices, receipts, and statements in cloud storage. If questions ever arise, you’ll be glad you did.

👥 Work with a Pro (If You’re Stuck)

If reconciliations feel confusing or time-consuming, it might be time to bring in help. A startup-savvy bookkeeper can reconcile accounts quickly and catch things you might miss.

Common Mistakes Founders Make with Bank Reconciliations

Even smart founders run into issues. Watch out for these common errors:

❌ Only Looking at the Bank Balance

Just because the cash balance looks fine doesn’t mean the books are accurate. A reconciled account checks every transaction, not just the total.

❌ Skipping Small Transactions

Tiny charges or rounding differences can throw off your reconciliation. Everything counts.

❌ Overwriting Historical Data

Once a period is reconciled, don’t go back and edit old transactions. Doing so can throw off reports and cause confusion later.

❌ Ignoring Credit Cards or PayPal

Reconciliation isn’t just for bank accounts. Credit cards, Stripe, and PayPal accounts need to be reconciled too.

Final Thoughts: Reconciliation = Trust in Your Numbers

You don’t need to be a CPA to run a financially responsible startup. But you do need to trust your numbers—and that starts with monthly bank reconciliations.

At Startup Accountant, we make sure your books are reconciled accurately and on time, every month. No guesswork. No gaps. Just clean financials you can count on.

Need help with reconciliations or monthly closes? Let’s talk. You focus on growing the business—we’ll keep the books in check.