Question

 
Hello Rabbi.
Today I needed to travel from Jerusalem to the central region. I found an ad in a Haredi free paper for a taxi company called “Derekh HaChesed” that offers cheap rides. I contacted them, we agreed on a price, and I waited more than 20 minutes for the taxi to arrive.
When the driver arrived, it turned out he was not a “taxi” at all, but just an unlicensed pirate driver, and the company is simply posing as a taxi company. Since I get reimbursed only with receipts, I sent the driver away and waited for a driver from another company.
I think the company is committing several wrongs here:

1. They cause people like me (who need a receipt) to waste time.
2. They put passengers at risk by driving without insurance.
3. They are concealing income from the Tax Authority.
4. They are encroaching on the livelihood of licensed taxi owners.
5. The question is: is it permissible to report them?