David Nowak.
Home/Glossary/Categorization
Glossary · Accounting tools

Categorization

Checked 2026-09-06
Also said as transaction categorizationauto-categorizationexpense categorization
Categorization is when the software decides what a transaction was for — office supplies, meals, travel — and files it into your books automatically.
Why it matters to your business

It's the headline AI feature in accounting tools, and the accuracy claims matter: one vendor advertises 95% accuracy while bookkeeper field testing measures roughly half on novel transactions.

The catch · what vendors don't say

Accuracy numbers are measured on the vendor's terms — ask what happens on unusual transactions, because that's where the gap between marketing and reality shows.

I'm David. I build AI that keeps your data yours.

David Nowak

Twenty years building software for businesses like yours — cloud tools when they fit, your own machines when the data demands it. Fixed fee starting at $500.

Book a session

Bring one real problem. You leave with a plan — whether we work together or not.

"Most companies are selling you fear and complexity. He cuts through the bullshit and just fixes things. That's what partnership looks like."
Jim · Owner, media production company · more testimonials