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2026-01-05

Spreadsheet Mistakes That Are Costing Your Business Money

Spreadsheet errors cost businesses millions annually. Here's how to identify if your business is at risk.

A study by the University of Hawaii found that 88% of spreadsheets contain errors. If your business runs on spreadsheets, the odds are stacked against you.

The Real Cost of Spreadsheet Errors

Spreadsheet errors aren't just inconvenient — they're expensive. JP Morgan lost $6 billion partly due to copy-paste errors in a risk assessment spreadsheet. Barclays accidentally bought 179 more contracts than intended because hidden rows in an Excel file weren't deleted before submission.

Your business probably isn't trading derivatives, but the principle is the same. Manual data entry, copy-paste operations, and formula fragility create risk at every level.

Common Spreadsheet Problems

  • Version control chaos: "budget_final_v3_ACTUALLY_FINAL.xlsx" — which version is current? Who has the latest changes?
  • Broken formulas: Someone inserts a row and breaks every formula that references that range. Nobody notices for weeks.
  • Manual data entry: The same data entered into three different spreadsheets. One gets updated, two don't.
  • No audit trail: A number changes. Who changed it? When? Was it intentional? Nobody knows.
  • Scale limits: Your spreadsheet worked fine with 50 rows. Now it has 5,000 and takes 30 seconds to open.

When to Move Beyond Spreadsheets

Spreadsheets are brilliant tools for quick analysis and small datasets. But when your process involves multiple people, regular updates, or business-critical data, a purpose-built system eliminates risk and saves time.


Got a Spreadsheet That's Driving You Mad?

Send it over — I'll tell you what an app version would look like and what it'd cost. No obligation.

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