Case studies: Audit
Case studies in this category: Audit. No promises, just proof.

The bug nobody knew about
A webshop with over a billion forints in yearly sales was provably losing customers to a hidden payment bug for four years. Nobody knew, not even the client. We spotted it. The damage: nearly half a billion forints. The fix took a few hours.
~HUF 500M lost over four yearsRead the case

16,000 invoices, one by one
A webshop issued an invoice for every order, but nobody tracked what happened to the parcel or the money. We matched everything line by line and found out what the real revenue was.
16,000+ invoices reconciledRead the case