The spreadsheet running your business: when to let it go
That spreadsheet that started as a helper and now runs half the company. How to tell when it's finally time to replace it with something solid.
Almost every company we talk to has a spreadsheet like this. It started solving a small problem and, without anyone deciding it, ended up handling orders, inventory, payroll or customers. It works. The strange part is that it works so well while being so fragile.
Excel is probably the best business tool ever made for getting started. You need no one, you build it in an afternoon, and it bends to whatever you can think of. I defend it more than people expect from someone who makes software for a living.
The sheet itself is rarely the problem. Things get messy in everything around it once it grows. Three versions of the same file appear. Someone overwrites a formula and nobody notices for a month. Two people can't work at once without stepping on each other. And when the person who built it goes on holiday, half the team stares at the screen unsure what to touch.
There's a fairly clear sign that you've outgrown it: when you spend more time maintaining the spreadsheet than using what it tells you. Copy-pasting between tabs, fixing by hand whatever broke. That time is pure cost, it just never shows up on an invoice.
Changing it doesn't mean throwing away what you have. The usual move is to look at which parts have grown too heavy for a spreadsheet and move only those into something with proper permissions and a record of who changed what. The rest can stay in Excel for years without trouble.
If you recognize yourself in this, the question worth answering is uncomfortable but simple: how much does it cost you each month to keep this thing standing, and has that number already passed what replacing the critical part would cost?