Unfortunately, I just recently began to delve into the fact that I need to thoroughly study the companies you will work in (after you painted in red) so I do not know all the subtleties and nuances in the checks. It would be nice if someone from the professionals helped us to beginners, to figure out the tools to identify fraudulent companies.
There are a few topics created on this forum to help find scams, here is one of them: https://bitcointalk.org/index.php?topic=4586576.0
There are also other topics about tools to help find scams. You can also go to our website and click on tools (top of the page) www.icoethics.com
There are many tools there to help find a scam. If you need help just let us know.