An easy way to spot a fake review left by a company member about the company they work for is to look at the online reviews and the name of the person leaving it. Then go to the Digital Company's website and look at the staff page. If you spot the name of the reviewer on this page, you should consider carefully whether your money is in honest, safe hands.
You can also double check by Googling the name of the reviewer and
the name of the company, and often a Linkedin Profile details
will confirm that they work for the same company.