Mining companies are usually a scam and a few things confirm this accusation, first, they are not using any SSL encryption while they are dealing with a lot of money and payment methods (Skrill, PayPal includedd and others) which means they simply don't care about the members. Total investments and earnings from mining sounds very unrealistic while comparing to each other since mining isn't that profitable anymore, even with free electricity.
Let's be clear mining companies are usually legit. For example Bitmain is a mining company. Cloud mining companies on the other hand...
Take a look here:
http://bitrewardsclub.com/about.phpWe have a photo of some dudes, no names, positions in the company or contact numbers.
We have a registration number. Anybody can register a company even a junkie can do it for you and it doesn't cost much either.